| Names | |
|---|---|
| Preferred IUPAC name | 1,1-Dichloro-1-fluoroethane |
| Other names | 1-Chloro-1,1-difluoroethane HCFC-141b R-141b Fluorocarbon 141b Genetron 141b |
| Pronunciation | /daɪˌklɔːroʊˌflʊəroʊˈɛθeɪn/ |
| Identifiers | |
| CAS Number | 1717-00-6 |
| Beilstein Reference | 1718733 |
| ChEBI | CHEBI:82235 |
| ChEMBL | CHEMBL2105961 |
| ChemSpider | 16937 |
| DrugBank | DB16174 |
| ECHA InfoCard | 03c51eaf-b557-4e45-805f-f1f17420bf7c |
| EC Number | EC 206-939-4 |
| Gmelin Reference | 9747 |
| KEGG | C18715 |
| MeSH | D020068 |
| PubChem CID | 14175 |
| RTECS number | KH8575000 |
| UNII | 3H64QGN37E |
| UN number | UN2038 |
| Properties | |
| Chemical formula | C2H3Cl2F |
| Molar mass | 116.95 g/mol |
| Appearance | Colorless transparent liquid |
| Odor | Faint ethereal |
| Density | 1.24 g/cm³ |
| Solubility in water | 19.2 mg/L (at 25 °C) |
| log P | 2.3 |
| Vapor pressure | 38.5 kPa (at 25 °C) |
| Acidity (pKa) | 15.9 |
| Basicity (pKb) | 15.15 |
| Magnetic susceptibility (χ) | -9.72×10⁻⁶ |
| Refractive index (nD) | 1.419 |
| Viscosity | 0.42 cP at 25°C |
| Dipole moment | 2.40 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 348.4 J mol⁻¹ K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -352.3 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -2675.9 kJ/mol |
| Pharmacology | |
| ATC code | J02AC19 |
| Hazards | |
| Main hazards | Harmful by inhalation, causes irritation to eyes and respiratory tract, may cause drowsiness or dizziness, exposure could result in unconsciousness, vapors may cause asphyxiation in confined spaces, contact with liquefied gas may cause frostbite. |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS02, GHS07 |
| Signal word | Warning |
| Hazard statements | H221, H315, H319, H336, H373 |
| Precautionary statements | P210, P261, P271, P273, P280, P304+P340, P305+P351+P338, P312, P337+P313 |
| NFPA 704 (fire diamond) | 2-4-0 |
| Flash point | No flash point |
| Autoignition temperature | 455 °C (851 °F) |
| Explosive limits | Explosive limits: 7.0-15.2% |
| Lethal dose or concentration | Lethal Dose or Concentration (Dichlorofluoroethane (HCFC-141b)): "LD50 (oral, rat): >2000 mg/kg; LC50 (inhalation, rat, 4h): >108000 ppm |
| LD50 (median dose) | 13 g/kg (oral, rat) |
| NIOSH | WA8225000 |
| PEL (Permissible) | 50 ppm |
| REL (Recommended) | 100 ppm |
| IDLH (Immediate danger) | 1000 ppm |
| Related compounds | |
| Related compounds | Chlorofluoroethane Dichlorodifluoroethane 1,1,1-Trichloroethane Chlorodifluoroethane |
| Property | Technical Commentary |
|---|---|
| Product Name & IUPAC Name |
Product Name: Dichlorofluoroethane IUPAC Name: 1,1-Dichloro-1-fluoroethane In industrial documentation and handling, the IUPAC name is mainly used in regulatory documents and analytical reports. Most operators and bulk handlers refer to it as HCFC-141b or simply 141b for internal traceability. |
| Chemical Formula |
C2H3Cl2F The molecular formula is applicable across HCFC-141b grades. Key parameters such as isomer ratio or minor co-products do not typically affect the core formula notation but are relevant for specific downstream processes requiring precise purity control. |
| Synonyms & Trade Names |
Common Synonyms: 141b, R-141b, HCFC-141b, Freon 141b Trade Names: Common industry names depend on the manufacturer and regional supply chain. Regulators and buyers in North America and Asia frequently reference the ASHRAE designation R-141b. Selection of naming convention impacts labeling, MSDS generation, and customs documentation. |
| HS Code & Customs Classification |
HS Code (Harmonized System): 2903.74 Typically classified under “Halogenated derivatives of acyclic hydrocarbons”. Customs declaration can require specific grade and use details due to regulatory controls on ozone-depleting substances. End-uses influence required paperwork for transit and import clearance as many countries enforce quota or licensing requirements for HCFCs under Montreal Protocol controls. |
In our production plants, dichlorofluoroethane (HCFC-141b) appears as a clear, colorless liquid at ambient conditions. Odor can be slightly ether-like, depending on purity and storage. Physical properties such as melting point and boiling point vary depending on product grade and residual impurity levels from upstream synthesis and downstream storage stability.
Density shifts with temperature and batch composition. Operators monitor for changes that could indicate out-of-specification material or contamination entering the supply chain. Formulation processes downstream, such as in foam blowing or solvent applications, depend on close control of both bulk composition and trace residues.
From a manufacturer perspective, chemical stability concerns primarily arise during long-term storage and process interruptions. Product exposed to incompatible environments or improperly sealed containers can show evidence of partial hydrolysis or polymerization, especially if bulk purity is not maintained above process minimums.
Batch records document any deviation in chemical reactivity, as process-generated acidic impurities or metallic catalysts left unchecked can accelerate degradation. Site operational teams focus on controlling conditions that affect both in-storage and in-use stability, since some applications, such as precision cleaning, require especially low impurity content.
Solubility behavior changes based on the blend composition and contaminant profile. HCFC-141b dissolves in common organic solvents and remains partially miscible in water. Technicians factor in water solubility limitations when designing extraction, washing, or effluent release strategies to minimize off-spec byproduct formation and control environmental release. Large-scale solution preparation for industrial use always tailors ratio and compatibility needs to the downstream process equipment and blend partners.
Multiple commercial and industrial grades are supplied, each defined by different thresholds for main content, moisture, acidity, and trace organic or inorganic impurities. The detailed specification sheet is provided per contract and depends on application—foaming agents, cleaning chemicals, or refrigerant blends may require unique sets of critical impurities and purity ranges.
Profile and allowable levels for impurities such as trichloroethane, di- and mono-chlorofluoroethanes, and moisture depend on both the synthesis route and purification process. Distillation and drying performance directly affect residuals, which testing tracks as a quality release factor. Internal standards define process limits; customer specs may impose stricter custom requirements, especially for electronic or specialty solvent applications.
Routine quality assurance labs validate product compliance via gas chromatography, Karl Fischer titration, and, for some endpoints, specific IR or NMR fingerprinting. Selection of protocol and acceptance ranges depends on the downstream customer requirements and international regulatory context of the export region.
Typically sourced feedstocks include hydrofluoric acid, chloroethanes, and sometimes other halogenated precursors. Raw material selection focuses on minimizing introduction of undesirable side-products and ensuring supply chain reliability. Logistical constraints, purity grades, and economic considerations drive continuous review of source availability.
The main production route involves halogen-exchange reactions, often catalyzed by specific metal salts or fluorination agents. In-plant route selection weighs reagent cost, regulatory controls on ozone-depleting classes, and targeted impurity minimization. Process chemists prioritize routes minimizing waste side-streams to simplify purification and manage environmental compliance costs.
Tight temperature and pressure control in primary reactors and associated distillation columns ensures conversion efficiency and minimizes thermal decomposition. Process control systems record every parameter shift. Purification steps—fractional distillation, drying, washing with neutralizing agents—target off-odor contributors and non-volatile residues, which impact compatibility in high-spec uses.
Batch release relies on analytical checkpoints: GC assay, water content, acidity, and profile of regulated halogenated impurities. Every delivery undergoes independent retest on receipt at customer plants for highest-specification trades. Final release criteria always align with contract and intended application, not every batch meets all customer needs.
In our synthesis workshops, HCFC-141b demonstrates selective participation in substitution and elimination reactions, especially with strong bases or reducing agents at elevated temperatures. Downstream, it acts as both feedstock and intermediate for further halogenation, dehydrohalogenation, or coupling to make specialty fluorochemicals.
Process conditions pivot on catalyst longevity, desired selectivity, and yield efficiency. Metal catalyst choice, solvent medium, and temperature settings depend on which impurity pathways are most critical to block, guided by historical process tracking. Pure product generation for downstream modification uses optimized batch or continuous reactor designs.
Large-scale customers convert HCFC-141b to various fluoropolymers and specialty intermediates. Derivatives yield depends on how tightly upstream producers control purity and batch-to-batch consistency since trace byproduct can poison catalysts or cause regulatory issues in finished products.
Production operators recommend cool, dry, and dark storage in sealed containers to reduce volatilization and decomposition. Any temperature excursions during transport or bulk holding periods can cause venting or product degradation, which technical teams track through environmental sensor networks in bulk tanks and drums.
Materials of construction, such as lined steel, fluoropolymer, or selected plastics, depend on both solvent compatibility and the risk profile for residual acid formation. Cross-contamination from reused containers accounts for most off-specification complaints from downstream users.
Shelf life is always application- and purity-grade-dependent. Operators train to recognize degradation signals—changes in color, odor, or assay purity—by both periodic retesting and spot checks at warehouse levels. Calendar shelf life depends on how sharply impurity and moisture are controlled through distribution.
The product’s hazard classification derives from its chemical structure and process impurity burden; most grades present acute inhalation risk above certain concentrations and may also induce mild skin or eye irritation. All packaging and MSDS documentation strictly follow local GHS standards, which change based on downstream use and destination regulations.
Standard precautionary approach centers on proper ventilation, limiting exposure during transfer, and strict attention to leak detection in storage and processing areas. Administrative and engineering controls enforce exposure minimization.
Available acute and chronic toxicity benchmarks depend on raw material quality and processing technology; long-term occupational monitoring at production sites provides risk data for workplace health management programs. Full toxicological review forms a mandatory part of regulatory submission in each target region.
Exposure limit values reflect both regional regulatory interpretations and the production technology used. Operators rely on both continuous atmospheric monitoring in high-volume use areas and routine personnel monitoring to preempt cumulative exposure risks. All handling procedures and PPE requirements are driven by both process hazard analyses and customer-specific risk profiles.
Actual production output for HCFC-141b corresponds with installed plant capacities and the utilization rate, which remains closely tied to domestic and international policy restrictions, refrigerant sector demand, and feedstock supplies. Production lines designed for flexible chlorofluoroalkane output allow for adjustments based on environmental compliance and market signals. Utilization rates tend to vary by region and quarter, mainly due to quota management in countries following Montreal Protocol compliance.
Lead time strongly depends on the batch scheduling, plant loading, and ongoing preventive maintenance cycles. Orders for custom specifications or non-standard packaging will follow longer cycle times due to cleaning or repurposing filling lines. MOQ (minimum order quantity) is set at the pallet or isotank level, with potential upward revisions during peak demand or regulatory transition periods. For non-standard packaging, MOQ terms must be negotiated to offset special handling and logistics intervention cost.
Packaging types reflect both regulatory mandates and user application needs. Standard options include steel drums and ISO tanks. Export packaging must comply with destination country transport and labeling mandates. Non-reusable drums are most common for foam and cleaning end users, while bulk ISO tanks are preferred for large refrigeration or process plants. Customization may involve UN-certified containers, pressure-rated drums, or shrink-wrapped pallets, as required by customer order and receiving infrastructure.
HCFC-141b is classified for dangerous goods transport under international regulations. The route, carrier selection, and seasonality heavily affect cost and reliability. Payment terms typically follow advance payment or L/C for first-time partners, with deferred payment arrangement reserved for high-volume or established customers. Export documentation must reflect GHS labeling and provide attestation to regulatory phase-down or exemption status according to the shipment's destination.
Core cost drivers in HCFC-141b production are the feedstock dichloroethane, hydrogen fluoride, energy input, utilities, and compliance levies. Feedstock pricing tracks with petrochemical market swings and exchange rates. Hydrogen fluoride supply is susceptible to fluorspar mining output and regulatory action on mining environmental controls. Energy costs respond to local grid pricing, with notable impact on energy-intensive distillation and rectification steps.
Fluctuations arise from disruptions in supply chain nodes, policy shifts on raw material export controls, and plant maintenance outages. Abnormal price swings reflect incidents in upstream chlor-alkali or fluorine suppliers, or government-mandated production cutbacks to meet international quota obligations.
Market pricing is closely tiered around product grade: technical, foam, aerosol, and pharmaceutical grades command different market segments and price points. Purity levels, water content, and presence of stabilizers or inhibitors follow customer specifications and drive separation, blending, and QC testing intensity. Packaging certification, especially for export or regulated industries, imposes additional compliance and documentation costs, reflected in the invoice price. Drum deposit, pressure relief device inclusion, and custom labeling further influence the delivered price structure.
HCFC-141b supply responds to ongoing phase-out schedules mandated by the Montreal Protocol. North America and EU consumption is winding down to exempt uses, while significant industrial demand persists in parts of Asia and the Middle East. New plant investment outside regulated markets has diminished due to emerging alternatives and tighter control regimes. Spot market tightness often reflects surges in downstream polyurethane or refrigeration demand, or unplanned outages at major producers.
US and EU maintain highly restricted supply, with production limited to documented critical uses, supported by government-issued compliance certificates. Japanese producers allocate limited volumes to finished goods exporters under grandfathered exemptions. India and China, where demand remains strongest, operate under phase-down schedules with government-issued quotas, fostering periodic supply shortages or surpluses depending on quota releases and industrial seasonality. Price volatility in these regions can spike around regulatory deadlines or import restriction announcements.
Forward pricing models incorporate raw material basket forecasts, phase-down compliance schedules, and cost pass-through of regulatory enforcement such as carbon levies and chemical tax adjustments. In scenarios with accelerated phase-out or supply chain tensions, expect upward price adjustment, especially for high-purity or compliance-certified lots. In cases where alternative refrigerants or blowing agents reach critical mass adoption, legacy HCFC-141b demand will drop sharply, pressuring price premiums for remaining allowable uses. Market intelligence data and official quota releases provide the baseline for contract negotiation and forward buying strategies.
Market assessment draws on multi-year production and consumption reports from domestic industry associations, official Montreal Protocol registration data, IHS Markit commodity tracking, and verified customs/import-export ledgers. Internal trend analysis weighs plant operating rates and feedstock price indices against finished product spot, contract, and tender price realizations in key markets. Comparative analysis across pricing nodes ensures consistent methodology aligned with regulatory event timelines and reported plant start/stop announcements.
Industry focus has shifted toward compliance with phase-out timetables and the transition to lower GWP alternatives. Some producers have ramped up technical support for end users, offering downblending and technical migration assistance to reduce pain points from regulatory phase-downs. Recent incidents, such as temporary feedstock delivery interruptions or tighter on-site inspection, have affected short-term spot availability in Asia Pacific and Middle East regions.
Updated quota allocation for major producing countries now requires enhanced traceability and end-use documentation. Third-party audits and in-plant electronic reporting help verify compliance and support environmental reporting claims. Inbound and outbound shipments face periodic cross-border inspection for compliance with regulated use exemptions. Manufacturers remain engaged with national authorities to support orderly phase-out and transition to non-ozone-depleting alternatives.
To stabilize quality and continuity for users, suppliers have adopted tighter batch record management, installed redundant purification units, and improved feedstock prequalification screening. Consignment inventory within customer regions helps offset disruption from port or customs delays. Ongoing investment in downstream technical support enhances customer trust and assists in qualification for next-generation alternatives as phase-out windows close.
Dichlorofluoroethane (HCFC-141b) supports several sectors that require controlled volatility, precise solvency, or specific blowing agent performance. In foam manufacturing, HCFC-141b acts primarily as a physical blowing agent for polyurethane and polyisocyanurate systems, providing cell structure control and targeted density. Its compatibility with many polyol blends makes it a preferred option in both rigid and spray foam formulations. Precision cleaning relies on HCFC-141b for its moderate evaporation rate and solvency profile, offering balance between cleaning speed and residue avoidance for metal, electronics, and optical industries. Some refrigeration maintenance operations draw on HCFC-141b for flushing and cleaning refrigerant circuits, but only in settings where regulatory use remains permitted.
| Grade Type | Main Field | Purpose | Key Parameters to Consider |
|---|---|---|---|
| Foam Grade | PU & PIR Foam Blowing | Polyurethane/polyisocyanurate foam expansion Cell structure development |
Moisture, acidity, non-volatile residue, water content |
| Solvent/Technical Grade | Precision Cleaning, Degreasing | Electronics and optics cleaning Surface degreasing |
Stabilizer package, low residue, specific purity profile |
| Refrigeration Service Grade | Refrigerant Circuit Flushing | Circuit cleaning prior to refrigerant refill | Low moisture, compatibility with gasket/ compressor materials |
Batch reproducibility is managed through control of acidity, residual moisture, and specific tracers of upstream chlorinated by-products. Acidity below defined grade maximum supports polyurethane catalyst stability and avoids foam collapse. Moisture sensitivity arises in prepolymer mixing steps, as excessive water content causes altered foam cell structure and variable density. Any non-volatile residue points to incomplete distillation or contamination, prompting additional purification cycles.
Solvent effectiveness tracks closely with HCFC-141b content and low levels of high-boiling impurities. Stabilizer selection protects against solvent hydrolysis and corrosion of metal parts over extended cycles. Solvent residue after evaporation can cause electronic contact failure or optical film formation, necessitating grade-specific control of non-volatile components.
Low moisture and absence of dissolved contaminants matter most for refrigeration flushing. Rubber seal and oil compatibility depend on precise control of residual stabilizers and acidity. Improper grade may swell gaskets, degrade lubricants, or leave problematic deposits after evaporation. Short-term storage can expose material to ambient humidity; container design and site handling both influence delivered quality.
Application choice lays the groundwork for grade matching. Foam system formulators prioritize low moisture and acidity, while users in cleaning target high purity and residue control. Flushing operations demand grades with tight control over hydrolyzable chloride and water content. Identify process step and intended endpoint before advancing to next step.
Regulatory status varies widely by country and usage pattern. Foam applications may face specific phase-out timelines, technical cleaning often permits specialized exemption, and refrigerant cleaning falls under transitional use in select regions. Understanding regional limitations avoids procurement issues and aligns compliance with on-site practices.
Purity grade sets the window for permissible side-products. High-performance foams react to minimal variations in acidity or moisture. Electronic degreasing and precision cleaning respond to trace impurities even within tight technical limits, as deposits can cause product failure. Cross-reference batch analysis from supplier certification with user process tolerances before proceeding.
Foam and cleaning industries consume dichlorofluoroethane at very different scales. Larger scale users benefit from bulk supply and associated logistics, while technical cleaning may capitalize on smaller, specialized packaging. Budget consideration includes not just purchase price, but downstream cost from rejected batches, quality audits, and regulatory disposal.
Lab-scale formulation and line trials serve as final screening. Manufacturers discuss any irregular performance observed during validation directly with the supplier’s technical and quality control teams. Real batch testing in end-use systems remains the single most reliable predictor of successful grade adoption.
Our manufacturing facility operates under a comprehensive quality management system, with certification scope aligned to international benchmarks for chemical production. Scheduled internal audits and third-party inspections validate that processes comply with major industry standards, reflecting our ongoing commitment to ensuring batch consistency and minimizing deviation risks. Raw materials for HCFC-141b undergo traceability checks, with supplier reliability and material compatibility forming the foundation of our vendor approvals. Core process controls and end-product verification integrate with this quality approach, providing real-world defense against unexpected operational interruptions and off-grade output.
Certification for HCFC-141b focuses on attributes such as purity profile, moisture specification, and volatile impurity content. These are assigned based on product grade and end-use. Typical values change according to specific market application or customer process, with some sectors seeking additional documentation for regulatory or performance needs. Certificates of Analysis accompany each batch, reporting properties measured against delivery contract criteria or recognized industrial standards and detailing analysis methods used. Customers requiring conformance to regional regulatory standards may request supporting compliance documents based on their region of import or downstream requirements.
Each shipment of HCFC-141b includes batch-level certificates and analytical reports. These records detail the inspection procedures, test frequency, and listed parameters relevant to storage, transport, and process integration. Storage and handling guidelines are issued, reflecting the needs of downstream formulation or repack processes and referencing both typical performance observations and sensitivity factors that depend on specific application use. Availability of additional safety data, toxicology summaries, and process risk assessments ensures the product aligns with internal HSE requirements and customer package documentation milestones.
Production scheduling for HCFC-141b uses demand planning and inventory management, based on direct manufacturer data without relying on external stockpiling by intermediaries. Core output channels are backed by routine production cycles, providing predictable allocation for both frequent and project-based orders. Spot allocation or scheduled contract supply can be coordinated depending on volume, frequency, and planned delivery windows. Flexible cooperation modes cover direct offtake, consignment stock, and frame agreement arrangements, addressing both steady demand and changeable project timelines. Adjustments for market volatility, regulatory change, or supply chain disruptions feed into revised supply commitments, with regular updates provided.
The manufacturing line for HCFC-141b has established control points for critical purity and volumetric yield. Capacity benchmarks reflect both installed equipment throughput and buffer planning in response to customer seasonality or regulatory windows affecting demand. Scale-up consistency, feedstock assurance, and critical utility redundancy stabilize output, supporting customers with high-volume requirements or those tied to specific project milestones. Supply stability planning includes alternate logistics channels and emergency management plans to protect against prolonged sudden interruptions.
Sample requests are managed through a direct technical interface, where customer end-use and required analytical profiles are confirmed by our technical service department. Grade selection, package size, and test report requirements are reviewed with the customer, with sampling drawn from routine production to ensure typical property representation. Traceable documentation accompanies each sample, matched to the production batch and with a scope of analysis appropriate to the stated application area.
Cooperation modalities adapt to customer size, production flow, and logistical infrastructure. Multi-year supply agreements, rolling call-off schedules, and option contracts are available for customers with predictable long-term consumption, reducing administrative friction and minimizing buffer stock requirements at both ends. Spot contracts and trial volumes support clients with unpredictable or pilot-scale needs. Technical support is available throughout, including for adjustments in grade or packaging based on downstream changes within customer processes. Core supply chain logic ties delivery priorities to technical fit and production window alignment, rather than external market speculation.
Research teams in our facility track international regulatory directions on ozone depletion and evolving downstream application needs. Most current R&D work emphasizes minimizing residual chlorinated and fluorinated impurities due to their role in atmospheric persistence and regulatory scrutiny. Close attention is also paid to process intensification, seeking to refine catalyst selection and increase conversion efficiency. Development efforts in physical property refinement cater to foam-blowing and cleaning applications, centering on controlling moisture and acid content, since these can influence compatibility with surfactants and sensitive polymeric materials.
While traditional demand for HCFC-141b centers on polyurethane foam blowing and metal cleaning, application engineers have seen experimental interest shift toward precision cleaning for electronic assemblies and degreasing for high-value aerospace components. These segments move to stricter technical demands—especially on metal residue and non-volatile content—prompting closer collaboration with formulators. Certain research streams examine its transitional role as a feedstock in fluoropolymer and specialty intermediate manufacturing, provided impurity and hydrolysis product profiles can be reliably managed.
Industrial production faces recurring challenges in catalyst residue control, minimization of high-boiling byproducts, and maintaining lot-to-lot moisture levels, all of which directly influence cleaning performance and final foam properties. Engineers experiment with alternative purification columns and real-time analytical control methods, moving away from legacy batch QC protocols. Noteworthy advances have been made in recycling spent solvents, reducing net fluorinated discharge, and developing on-site reclamation units to extend product lifespan for large-volume users.
Global consumption of HCFC-141b continues to adjust in response to phaseout schedules published by multiple national authorities. Some production lines operating in regions with delayed phaseout timelines forecast moderate stability in demand, mainly for existing refrigerant servicing and select legacy foam production. New installations in regulated regions remain essentially flat. Operational reliability and tight impurity control have become main levers in maintaining customer trust and extending market participation for permitted uses.
Manufacturing lines undergo phased retrofitting for improved waste gas scrubbing, automated reaction monitoring, and modular purification setups. These investments are prioritized based on process route efficiency and final customer application, with best-in-class systems offering scalable adjustment for either batch or continuous plant formats. Digital integration of process analytical technology (PAT) shortens QC feedback cycles, supporting rapid batch release for high-urgency segments. Plants highlight continuous operator training in managing transition risks as process routes evolve.
Teams are pressed to adopt solvent management procedures aligned with both internal emissions policy and future international agreements. Green chemistry principles drive the search for non-ozone-depleting alternatives, with shared research projects evaluating next-generation blowing and cleaning agents based on hydrofluoroolefin (HFO) structures. Intermediate operations focus on closed-loop recovery where feasible, capturing off-gas and maximizing raw material utility. Segregated production scheduling minimizes cross-contamination, and technical staff work closely with external waste management partners to maintain compliance on hazardous discharge.
End-users bring diverse technical questions—common requests concern resolving batch-to-batch operational variability, compatibility testing with proprietary foam or resin systems, and quantifying trace contaminant impacts on cleaning efficacy. Technical liaisons maintain continual dialogue with customer development labs. Troubleshooting covers analysis of process residues, optimization of metering equipment for minimal product loss, and strategies for storage container selection to minimize hydrolysis or light-induced decomposition.
Specialists gather customer process parameters and routinely advise on metering, temperature control, and downstream blending. Advanced clients request tailored impurity profiles: process engineers adjust fractionation or reaction time, respond to stringent acid number targets, and recommend inline filtering adaptations. Documentation includes suggested routines for sampling, auditing on-site condition management, and sharing best practices from the client industry segment to resolve recurring performance inconsistencies.
The technical service framework extends post-delivery, providing prompt field support for traceability questions or suspicious batch behavior. Quality staff execute root-cause analyses, liaising with production and R&D if complaint data suggest process drift. In cases where downstream usage conditions vary, dedicated troubleshooting teams investigate any claims tied to impurity sensitivity or stability issues. The service commitment prioritizes minimizing customer downtime, aligning replenishment or replacement delivery with their operational cycle to maintain seamless production.
As the direct manufacturer of Dichlorofluoroethane (HCFC-141b), our role extends beyond chemical synthesis. In our facilities, raw materials undergo continuous-flow halogenation, fractionation, and high-purity drying through established distillation technology. Skilled technicians follow precise control standards at each stage. Process chemists monitor reaction parameters to ensure output remains on target with established product grades. Only batches that pass GC and purity checks move forward for packaging.
Manufacturers in polyurethane foam production, metal cleaning, and solvent-based processes integrate HCFC-141b directly into operations. This molecular structure delivers reliable performance as a foam blowing agent in thermal insulation panels for refrigeration, HVAC, and construction sectors. Metalworking industries rely on its solvent power for precision cleaning applications, supporting surface preparation and maintenance in mechanical assemblies. Electronic assembly units and specialty chemical blenders benefit from HCFC-141b’s predictable behavior in approved degreasing and formulation routes.
Every batch we produce passes multi-point analytical verification using gas chromatography and moisture analysis prior to packaging. Our in-house lab provides fast feedback on purity, density, water content, acidity, and stability. Consistency remains a top priority to protect process yields and downstream productivity for industrial buyers. QC checks at storage and transfer further prevent deviations, and we document every lot under a traceable batch record for full transparency.
We operate integrated bottling and drum-filling lines built for safe handling and accurate fill weights. Drum, ISO tank, and bulk supply options support continuous operations at production plants. Automated filling and vapor recovery equipment prevent contamination and minimize product loss. On-site logistics coordinators manage loading schedules and traffic, reducing shipment downtime for buyers. Regular stock audits at our main site ensure backup inventory remains available for urgent demand or contract supply programs.
Each customer faces distinct operating scenarios in foam blending, metal degreasing, or chemical conversion. Our technical service teams analyze on-site process conditions and help troubleshoot application issues, including vapor pressure calibration or equipment compatibility. Process engineers visit major customer sites to review system integration requirements and safety protocols. Whether troubleshooting residue in foam lines or advising on optimized solvent cycles, our goal remains long-term operational continuity for partners using HCFC-141b.
Direct access to our production streamlines supply risk for industrial procurement teams by removing uncertainty from project-scale orders. Stable production scheduling and in-house logistics support reliable year-round supplies. Cost management improves through predictable lead times and price continuity, not spot market swings. Distributors working with our factory achieve shorter replenishment windows and can plan regional inventory more efficiently. Plant engineers and purchasing managers gain from technical data access to guide batch qualification and incident resolution.
For production managers, technical buyers, and industrial procurement teams, manufacturer-led control of HCFC-141b production means greater confidence in chemical supply, streamlined purchasing, and technical continuity for process operations. Our facilities, systems, and support team stand behind each delivery.
Over decades, dichlorofluoroethane—commonly known by its chemical designation HCFC-141b—has featured heavily in our production runs. Our direct involvement in its manufacture brings us firsthand experience with the unique handling, storage, and end-use demands associated with this refrigerant and blowing agent. Every batch reflects the demanding standards of industrial and global markets.
HCFC-141b boils at around 32°C (89.6°F). On our lines, this property shapes the way we design and maintain our storage and transfer systems. Refrigerant drums and tanks must remain sealed and routinely monitored, particularly in warmer environments, since even slight increases in ambient temperature can lead to increased vaporization. Early in the production process, we noticed operators must be mindful during transfer and filling to prevent rapid phase changes, especially on hot days. This feature contributes to the compound’s effectiveness as a foam blowing agent—low temperature causes it to evaporate predictably, allowing manufacturers to create high-quality, closed-cell foam structures.
Vapor pressure, sitting at around 58 kPa at 25°C (77°F), influences how we engineer pressurized containers and valves. It determines venting needs and guides safe handling protocols. Our engineers and plant staff collaborate to reduce the risk of loss through evaporation or over-pressurization—during storage, transfer, and filling. Stainless steel tanks, carefully validated seals, and regular integrity tests are all shaped by the knowledge that a relatively modest swing in temperature can elevate internal tank pressure. By investing in automated monitoring, we avoid unnecessary downtime and product loss while preserving workplace safety.
Beyond just boiling point and vapor pressure, those using HCFC-141b will immediately notice strong solvency power—one reason it gained popularity in the cleaning and electronics industries. Our formulation dissolves greases and residues quickly, cutting turnaround times for degreasing and part washing. Still, our experience shows it pays to test any new packaging, gasket, or machine seal for compatibility. Some elastomers or plastics can soften or experience minor swelling after prolonged exposure, which prompted us to select only proven industrial-grade seals inside our own containment units.
Flammability is another point of attention. While not highly flammable, HCFC-141b remains a Class 2.2 non-flammable compressed gas under standard conditions. In confined spaces with high vapor concentrations near open ignition sources, the risk profile rises. Our production sites maintain strict ventilation standards and explicit procedural training for all shift staff, not only to meet regulatory requirements, but because decades of hands-on experience demonstrate the benefit of proactive risk management.
HCFC-141b’s chemical stability under typical operating conditions means it remains unchanged, provided storage and transit systems stay well maintained. Corrosion-resistant containers, periodic leak checks, and active inventory turnover contribute to this reliability from our truck dock to the customer site. The atmospheric lifetime and ozone depletion concerns surrounding HCFCs led regulatory bodies to introduce gradual phase-out schedules, but during its permitted use our commitment to responsible stewardship remains consistent. Every technical update and process innovation in our plant aims to reduce accidental releases and environmental load.
A direct understanding of property-performance relationships drives our manufacturing approach. Years on the production floor show that controlled boiling and vaporization, together with reliable solvency and stable transport, support customers’ foam, cleaning, and refrigeration operations. If you require batch-specific data, tailored logistical support, or direct technical guidance, our team stands ready to provide the facts and practical insights needed to make informed operational decisions. We believe transparency on these properties earns trust—batch by batch, drum by drum—from our plant to yours.
In the chemical industry, one challenge always stands out: delivering HCFC-141b in packaging that balances logistical efficiency and safety. Our team works continuously to refine packaging solutions because repeatability is as vital as product quality. Overseeing each step from production to loading gives us direct feedback from clients and transporters alike. We see what works, what’s practical at the user’s site, and what avoids waste or spillage at every hand-off.
For Dichlorofluoroethane (HCFC-141b), we focus on packaging formats proven by years of operational feedback. Bulk tankers serve large scale users needing economic refilling and maximum efficiency on volume. In most facilities at the mid-size level, 250 kg steel drums meet regular demand—easy to handle with forklifts and safe for routine storage. Smaller drum options, such as 25 kg or 50 kg, carry their own advantages for the service sector, with simplified handling and reduced decanting time, though most of our high-volume partners favor the 250 kg drums due to logistics costs per ton.
We only use tested, coated steel containers for HCFC-141b, as the chemical reacts with some common plastics over time. Our internal quality protocols reject any packaging that causes off-gassing, weight losses, or contamination. Every batch passes vapor leakage detection before it leaves our filling line. By controlling container quality and testing for integrity on-site, we help our clients minimize loss and prevent workplace incidents.
Our minimum order quantities (MOQs) stem from loading safety, transportation regulations, and the economics of product shipment. For international orders, one full container load (FCL) of 80 to 88 drums (depending on regional regulations and drum sizes) represents our lower practical threshold. Domestic customers may prefer a lower quantity, but we recommend palletized shipments for basic efficiency during transit and unloading.
Palletized drums move quickly through our warehouse and minimize labor on arrival at the client’s facility. Whether exported or delivered less than a day's drive from our plant, we find full or half-truckload quantities offer the safest and most cost-effective approach. Smaller volumes often involve higher costs due to bottling and handling, so our team helps customers forecast demand to optimize their supply chain. This consultative approach keeps shipping costs contained and supports production schedules without interruption.
Clients in foam manufacturing, precision cleaning, and refrigeration maintenance return to us for packaging reliability as much as for product purity. HCFC-141b’s volatility requires properly sealed and chemically compatible drums to prevent measurable loss. Over-filling or under-packing both create risks. The right drum size matches not only regulatory requirements but also the capability of the customer’s facility and their daily process throughput. We share practical knowledge, not only material safety data sheets but also lessons from years of shipments through changing regulatory climates and international standards updates.
Our technical team monitors every batch prepared for shipment, reviewing feedback from site operators and warehouse staff. Improvements in filling, sealing, and stacking procedures come from years of hands-on experience and regular assessment of what actually works outside laboratory conditions. Packaging may look like a simple detail. For us, it is the crucial last step in turning chemical production into something clients can rely on year after year.
Producing Dichlorofluoroethane (HCFC-141b) for international markets demands tight control over every shipment leaving our facility. No container leaves the plant floor without complete shipping documentation, as dictated by the latest international transport and environmental standards. Our compliance personnel assemble export packages that align precisely with requirements set by the United Nations, IMO (International Maritime Organization), IATA (International Air Transport Association), and Basel Convention controls.
Every consignment is accompanied by a Safety Data Sheet (SDS), detailing physical, chemical, and safety properties, including storage and handling. The SDS is current with the Globally Harmonized System (GHS), reflecting the classification of HCFC-141b as a dangerous good under UN Number 1940. Our shipping paperwork includes the proper shipping name, hazard class, packing group, and emergency response information. For ocean freight, IMO Dangerous Goods Declarations and multimodal dangerous goods forms are standard practice. Air shipments follow the latest IATA regulations to the letter, with supporting certificates included in every document set.
Producing HCFC-141b consistently means keeping up with evolving international restrictions, especially under the Montreal Protocol. Our compliance teams regularly update our export documentation to reflect each importing nation’s licensing and quota rules. Before export, we secure and attach the required Prior Informed Consent (PIC) documentation, and where mandated, provide evidence of export notifications to authorities both in the origin and destination countries.
Import permits for HCFCs are always verified and included in document packets when required by the end user’s country. For destinations covered by the Montreal Protocol’s strict phase-out schedule, our shipments are supported with proof of legal production and controlled use certificates as required by local environmental agencies.
Factory procedures ensure every cylinder, drum, or ISO tank meets international standards for corrosive gas containment. The packaging is UN-certified and stamped with markings that identify its contents, hazard class, production batch, and manufacturing date. Gross, tare, and net weights are clearly printed. Our technical staff prepare the hazard labels and UN number as required by ADR, IMDG Code, and ICAO instructions.
Shipping marks are applied according to the selected mode of transport. Containers carry Class 2.2 (non-flammable, non-toxic gas) and Class 8 (corrosive) labels, along with detailed precautionary statements. These markings serve customs and emergency responders just as much as freight handlers and consignees.
Being the original manufacturer allows us to maintain precise batch-level records. Each shipment is traceable from the production lot to the export paperwork. If regulatory authorities request copies of test results, ISO quality certifications, or statements of conformity, our office responds within a working day. For select markets, we can provide proof of REACH registration or country-specific certifications.
We never ship without a full set of compliance documents. Our logistics and compliance support staff work alongside installations, customs authorities, and consignees to clear every consignment with transparency and confidence.
Keeping up with the evolving landscape of international HCFC controls requires continuous investment in training, audit-readiness, and communication. We maintain open lines with regulatory agencies and embed compliance updates directly into our ERP and shipping platforms. Our customers expect trouble-free import and delivery—so we address documentation and certification as an integral part of our manufacturing and export process, not as an afterthought.
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales9@bouling-chem.com, +8615651039172 or WhatsApp: +8615651039172
