| Names | |
|---|---|
| Preferred IUPAC name | Dichloromethane |
| Other names | Methylene chloride DCM Methane dichloride R-30 Freon 30 Aerosol OT Narkotil |
| Pronunciation | /daɪˌklɔːrəˈmiːθeɪn/ |
| Identifiers | |
| CAS Number | 75-09-2 |
| Beilstein Reference | 1209226 |
| ChEBI | CHEBI:15767 |
| ChEMBL | CHEMBL544 |
| ChemSpider | 7159 |
| DrugBank | DB00847 |
| ECHA InfoCard | 03e4e4fd-2c67-4ef9-9b6b-7b4374dfb837 |
| EC Number | 200-838-9 |
| Gmelin Reference | 6047 |
| KEGG | C00283 |
| MeSH | D002683 |
| PubChem CID | 6344 |
| RTECS number | PA8050000 |
| UNII | 88HUM1C1BY |
| UN number | 1593 |
| Properties | |
| Chemical formula | CH2Cl2 |
| Molar mass | 84.93 g/mol |
| Appearance | Clear, colorless liquid |
| Odor | Sweet, chloroform-like |
| Density | 1.33 g/cm³ |
| Solubility in water | slightly soluble |
| log P | `1.25` |
| Vapor pressure | 47.4 kPa (at 20 °C) |
| Acidity (pKa) | ~15.2 |
| Basicity (pKb) | 13.72 |
| Magnetic susceptibility (χ) | −13.6 × 10⁻⁶ |
| Refractive index (nD) | 1.424 |
| Viscosity | 0.43 mPa·s (at 20 °C) |
| Dipole moment | 1.60 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 74.7 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -95.46 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | −685.3 kJ mol⁻¹ |
| Pharmacology | |
| ATC code | D08AX04 |
| Hazards | |
| Main hazards | Harmful if inhaled, causes skin and eye irritation, may cause cancer, may cause drowsiness or dizziness, harmful to aquatic life. |
| GHS labelling | GHS02, GHS07, GHS08 |
| Pictograms | GHS02, GHS07, GHS08 |
| Signal word | Warning |
| Precautionary statements | P261, P280, P304+P340, P305+P351+P338, P312, P403+P233 |
| NFPA 704 (fire diamond) | 2-1-0 |
| Autoignition temperature | 556°C |
| Explosive limits | 12-19% |
| Lethal dose or concentration | LD₅₀ oral, rat: 2,130 mg/kg |
| LD50 (median dose) | LD50 (median dose): 1,600 mg/kg (oral, rat) |
| NIOSH | NIOSH: PA8050000 |
| PEL (Permissible) | 25 ppm |
| REL (Recommended) | 25 ppm (90 mg/m³) |
| IDLH (Immediate danger) | 2300 ppm |
| Related compounds | |
| Related compounds | Chloromethane Methyl chloride Chloroform Carbon tetrachloride Methane Chlorodifluoromethane Bromodichloromethane Fluorotrichloromethane |
| Parameter | Manufacturer-Specific Industrial Commentary |
|---|---|
| Product Name & IUPAC Name |
Product: Dichloromethane IUPAC: Dichloromethane Manufacturers use “dichloromethane” for QC, batch tracking, and shipping documentation, as the IUPAC name matches labeling and regulatory reporting in most major chemical jurisdictions. |
| Chemical Formula |
CH2Cl2 Across all grades, the formula remains constant. Minor process byproducts and impurities, often halogenated organics, result from upstream C1-chemistry choices and affect grade suitability; these do not alter the base formula but may impact downstream cleaning, purification, and analytical handling. |
| Synonyms & Trade Names |
Methylene Chloride, DCM, Methane Dichloride Regional import/export and logistic documents employ both “dichloromethane” and “methylene chloride”—use depends on customer request, regulator, and market. Internal batch records refer to both, as plant staff need to recognize synonyms during blending and billing. |
| HS Code & Customs Classification |
HS Code: 2903.12 The customs declaration always uses this code for CH2Cl2, regardless of grade. Regulatory classification (hazard, excise, use restrictions) attaches to this code in import/export paperwork, which triggers specific labeling requirements and compliance on trade flows. For blends, or where dichloromethane is a component, HS code treatment must consider mixture content and national interpretations. |
Dichloromethane is synthesized by chlorination of methane or chloromethane. Production routes generate impurities—trichloromethane, monochloromethane, or heavier chlorinated residues—requiring downstream distillation and in-process monitoring. Grade selection for downstream users depends on residual impurity profile, which varies by both process parameters and requirements of the application (pharmaceutical, solvent extraction, foam blowing, etc). Selection of feedstock purity, chlorination conditions, and distillation cut-points are critical to align with final use specifications. Plant QC records the relationship between route, batch data, and approved applications to ensure downstream product suitability and compliance with declared HS code and customs classification in international shipping. Quality release is based on analytical testing aligned to customer order and grade expectation; regulatory compliance reviews both chemical identity and proper customs coding per shipment.
Industrial batches of dichloromethane present as a clear, colorless liquid with a characteristic, sometimes sweet odor. Appearance may vary slightly with contamination or oxidation exposures if containers are poorly sealed. Commercial grades maintain consistently low turbidity by controlling water and particulate contamination during filling and storage. Unless specific inhibitors are used, slight yellowing in bulk storage could signal oxidative degradation.
Typical values depend on grade and purity. Manufacturers source high-grade product for pharmaceutical and electronics applications where boiling point accuracy and density specification influence process compatibility. In adhesive and paint removal sectors, slight deviation in these properties is permitted. In non-halogenated blends or stabilized formulations, flash point concerns steer both packaging choices and warehousing decisions.
Dichloromethane sustains chemical integrity during standard material transfer and closed-system handling, provided air ingress and prolonged UV exposure remain minimized. Auto-oxidation or reaction with strong bases and certain metals can generate impurities affecting downstream process reliability. Process-specific reactivity concerns arise in applications involving reactive distillation or incompatible solvents.
Solubility profile remains central in product selection for pharmaceutical extraction, formulation of solvents and coatings, and polymer processes. Water solubility stays modest and impacts mixture clarity especially in high-humidity environments or where recirculated solvent streams are in use. For high-purity solution preparation, manufacturers avoid material from sources with variable water or alcohol content due to effects on drying and residue control.
Grades are defined by end-use, with tightest impurity limits set for pharmaceutical, food-contact, and analytical applications. Technical and industrial grades allow wider impurity ranges. Final release follows internal control procedures with full traceability to batch, test method, and feedstock batch.
| Parameter | High Purity (e.g. Pharma) | Technical/Industrial |
|---|---|---|
| Assay (min.) | Grade-specific, generally >99.9% | Grade-specific, typically >99.5% |
| Moisture | Low ppm range | Higher permitted absolute value |
| Acidity/Alkalinity | Lower limits | Broader tolerance |
| Volatile Impurities | Defined by grade | Process-dependent |
Common impurities include methanol, formaldehyde, chloroform, and residual starting materials. Batch impurity profile depends on route, raw material quality, and purification rigor. The manufacturing process regularly audits impurity spectrum to ensure fit-for-purpose product for sensitive syntheses or regulatory-compliant applications.
Testing standards follow region, customer, and contractual agreements. Gas chromatography, Karl Fischer titration, and UV-visible spectrophotometry stand as main laboratory tools. Results are correlated with international norms and, where available, pharmacopeial standards.
Chloromethane and methanol splitting hydride pathways form the backbone of sourcing logic, depending on upstream plant integration and feedstock availability. Raw materials undergo certification and trace contamination analysis before use.
Industrial synthesis routes center on direct chlorination of methane. Reaction yields and selectivity are functions of catalyst selection, temperature profile, and chlorine-methane stoichiometry. Manufacturers favor continuous operation for scaling, yield efficiency, and impurity minimization.
Temperature, residence time, and chlorine dosing require tight monitoring through distributed control systems. Column design, reflux ratios, and draw-off points link to batch purity, especially for achieving pharmacopeial or electronic grades. Side-reactors and absorbents target byproduct removal. Process water purity and cooling circuit integrity directly affect final water content of product.
Production adheres to a robust quality control regimen prior to and during batch release. Chromatographic impurity profiles, water content, density, color, and acidity receive systematic evaluation. Release criteria always align with customer and contract specification.
Dichloromethane serves as a reaction medium and extraction solvent in alkylation, acylation, halogenation, and organometallic transformations. Reactions running with highly reactive nucleophiles or strong bases require careful temperature and atmosphere control due to exothermicity and decomposition risk.
Operating temperatures, catalyst choices, and solvent ratios must take into account thermal stability and volatility. In catalytic or photochemical conversions, dichloromethane volatility influences reaction pressure and off-gas load on abatement systems.
Uses in pharmaceuticals, agrochemical synthesis, and polymer production rely on high chemical stability and low byproduct formation. In chlorinated derivative manufacture, feedstock quality and rearrangement side-reactions impact downstream yields and product compliance.
Stores well in dedicated tanks or drums at room temperature, but is kept away from open flame sources, alkaline media, and direct sunlight to prevent degradation. Product shelf life in original sealed drums extends depending on containment type and site ambient conditions.
Mild steel and specially lined containers resist corrosion, but selection always reflects end-user acceptance criteria and regional transport standards. In pharmaceutical or analytical use, stainless steel and inert-lined vessels protect against metal-catalyzed side reactions.
Decomposition shows through increased acidity, yellow coloration, or phase separation. Any deviation from specification, especially for sensitive applications, means retesting or discarding inventory. Shelf life lab results depend on grade, packaging, and storage integrity.
Hazard classifications follow local and international regulations; dichloromethane is routinely marked as a skin and eye irritant, suspected carcinogen, and inhalation hazard. All handling requires adequate ventilation, personal protective equipment, and restricted access protocols.
Acute and chronic toxicity is widely documented in industrial safety data. Above-threshold exposure leads to neurological and respiratory effects. Medical monitoring programs are standard for regularly exposed staff, especially in enclosed transfer or mixing zones.
Permissible exposure varies with regional occupational health guidelines. Workplace controls focus on vapor containment, continuous monitoring, and regular health screening for exposed operators. Engineering controls, such as scrubbers and vapor recovery, feature in larger production and filling installations.
Dichloromethane production hinges on stable supply of methanol and chlorine. Process route selection involves evaluating local raw material integration and by-product management, particularly hydrochloric acid. Facility output may be restrained during upstream outages or when scheduled plant maintenance restricts reactor uptime. Tank farm and process infrastructure must accommodate safe stockpiling, especially when logistics bottlenecks delay road, rail, or seaborne loading. Multi-reactor sites offer better output stability but may allocate available capacity according to periodic customer volume agreements or spot contract requirements. Export-oriented supply tightens during periods of local regulatory shift or domestic demand spikes.
Lead time depends on feedstock supply regularity, downstream packaging line alignment, order consolidation, and vessel scheduling. Standard lead times generally extend if custom purity grades or specialty packaging are requested, due to batch segregation and line cleaning protocols. MOQ is grade and certification-dependent; high-purity, electronics or pharma grades generally require coordinated, full-batch orders to enable compliance with final release documentation protocols.
Drum, IBC, ISO tank, and bulk flexitank options are maintained for most regions. Internal packaging audits validate the compatibility of container liners (HDPE, metal, or composite materials) with both technical and high-purity grades, to avoid cross-contamination and control residue formation from aging containers. Bulk shipments are subject to regional transport regulations for chlorinated solvents. Both multi-use and single-trip container choices are regularly evaluated for leakage prevention, safety, and environmental disposal compliance per customer location.
Shipping mode is determined by destination, urgency, packaging, and hazard management requirements. Routings to US, EU, and Japan generally follow strict regulatory documentation compliance for transit and on-arrival handling. Payment terms are structured by customer relationship history, with long-term contract buyers eligible for periodic settlement, while new or high-risk markets default to advance payment or irrevocable credit on bill of lading confirmation.
The principal cost driver in dichloromethane production remains methanol pricing, which is subject to volatility driven by natural gas supply, policy on energy feedstock preference, and unplanned outages at major plants. Chlorine pricing tracks with caustic soda co-production and regional electrolysis economics. Energy consumption for distillation and purification constitutes a measurable but secondary cost factor; energy mix (coal, gas, renewable) drives geographical spread in conversion cost.
Seasonal raw material supply tightness, abrupt upstream plant failures, and policy-driven controls on emissions or hazardous traffic affect price curves. Globally, shifts in regional demand, such as regulatory changes restricting or extending solvent use, cause temporary price dislocations. Inland logistics bottlenecks and container shortages exacerbate delivered-cost volatility in certain geographies.
Grade, purity, and certification requirements segment the market and explain the price spectrum. Commodity grades for paint stripping or degreasing command a different price structure from pharmaceutical or food contact solvent batches, which are subject to more frequent in-process testing and segregated storage. Achieving electronic or “ultra” high-purity grades necessitates end-to-end process modifications, tighter batch consistency controls, and investment in dedicated transfer lines. Upcharges for certified packaging or third-party inspection can be significant.
Price uplift across grades directly tracks with the depth of purification, analytical certification, and batch-level documentation. Higher cost reflects resource allocation to trace metal removal, low-odor or low-residue guarantees, and compliance with regional hazardous substance transport documentation. ISO tank or FDA-compliant packaging will be costlier compared to standard industrial drums owing to added material and inspection steps.
Global demand patterns for dichloromethane map strongly against construction activity (polyurethane foaming), pharmaceutical intermediate synthesis, and electronics cleaning. China and India have expanded domestic capacity as internal demand rises and exports face tighter overseas regulation. EU and US demand remain stable but face downward pressure from regulatory substitution and phase-outs in certain cleaning or foam applications. Japan's demand shows minor contractions where alternative solvents are adopted in electronics manufacture. Any regional supply gap or export restriction quickly ripples through international prices.
| Region | Key Factors |
|---|---|
| US | Stable demand, occasional price spikes due to hurricane disruptions, solvent-use restrictions impact certain sectors. |
| EU | Stable pricing, regulatory headwinds reduce usage in downstream consumer products, but industrial applications persist. |
| Japan | Gradual shift from chlorinated solvents, electronics sector remains core buyer, premium for high-purity, limited local capacity. |
| India | Domestic growth, volatile import flow, pricing affected by domestic currency and shipping constraints. |
| China | Largest supply base, pricing shocks from plant maintenance and policy intervention, export-driven price correlation, cost anchored in regional methanol pricing. |
Price trajectory over the next two years will likely show moderate upward drift as energy transition policies influence raw material pricing, and as more national authorities limit dichloromethane use in certain non-essential applications. Supply chain risk premiums will persist where feedstock imports or marine traffic face delays. For technical or refined grades, price differential is expected to widen, reflecting increasing market segmentation and more stringent documentation or batch traceability requirements. Forecasting incorporates published market analytics, internal supply chain measurements, and historical lead time fluctuation analysis.
Recent shifts in policy—especially in North America and Europe—tend to limit lower-grade dichloromethane use in consumer or open industrial settings, requiring manufacturers to track downstream reforms and adapt product stewardship plans. Major plant turnarounds or expansions in Asia influence both baseline global capacity and temporary supply bottlenecks.
Updated safety and transport regulations in EU (REACH), US (TSCA), and selective Asian markets require traceable product batch records, and increasingly frequent independent confirmation of trace residuals below specific thresholds. Companies investing in automated batch control and advanced QA/QC analytics maintain more predictable product availability for grade-specific buyers.
Multiple manufacturing sites enhance supply resilience, particularly in regions subject to regulatory intervention. Continuous purification process validation, periodic container compatibility assessments, and alternative packaging development help meet customer requirements amid evolving documentation, labelling, and transportation standards. Technical teams remain engaged with policy review bodies, industry task forces, and customer technical groups to enable proactive compliance and efficient dispute resolution.
Our production departments supply dichloromethane to a range of sectors with divergent requirements:
Each sector operates under differing purity, stabilizer content, moisture level, and residue requirements. These differences align directly with the product grade sourced.
| Industry Segment | Typical Grade Used | Key Grade Features |
|---|---|---|
| Pharma Synthesis | Pharmaceutical/High Purity | Low alcohol/water content, controlled heavy metal impurities |
| Food Extraction | Food/Extraction | Reduced stabilizer, tighter control of aromatic byproducts |
| Foam Blowing | Technical/Industrial | Moisture levels held to downstream reaction tolerance |
| PVC Compounding | Technical/General Purpose | Stabilized for process line integrity, moderate purity band |
| Paint Stripping | Technical/Industrial | Higher stabilizer and water acceptance, less focus on trace impurities |
| Electronics | Electronic/Cleaning | Ultra-low non-volatiles, low ionic and particulate residue risk |
Production and technical teams always start with intended end use. The criticality of purity or side-reactivity depends directly on whether the solvent enters a regulated process, downstream human or food contact, or only encounters industrial intermediates.
Grade alignment shifts with the region’s regulatory framework. In pharma and food, grade must align with pharmacopeia or food chemical codex criteria. Electronics may reference company-specific or industry standards for ionic/particulate content.
Impurity profiles become the most relevant selection factor. Internal labs review both certificate-supplied and in-house tested values, tracing which trace components may impact formulation, extraction yield, or runtime in continuous operations.
Bulk users trading off price against purity may consider technical or general-purpose grade for noncritical operations. Where downtime or cross-contamination risk from off-grade materials risks loss, the cost of tighter fractionation and smaller batch qualification is justified.
Quality departments, especially in regulated or demanding process environments, incorporate validation samples into their production trial plan. Incoming batches then compete for qualification based on internal yield, process safety, odor, color, and downstream bioburden or contaminant assessment.
Production of dichloromethane requires attention to both global and regional regulatory requirements. Facilities that have passed external audits for recognized management systems demonstrate commitment to operational consistency and procedural discipline. Certification under standards such as ISO 9001 stems from a documented quality management system. Internal quality teams monitor the implementation, corrective actions, and record keeping for each production batch. Audit trails and controlled documentation form the backbone for regulatory and customer verification.
Dichloromethane product grades—such as solvent grade, pharmaceutical processing grade, or electronic grade—carry their own industry expectations. Assessment bodies review compliance with criteria depending on target use, including suitability for food contact, electronics manufacture, or active pharmaceutical ingredient processing environments. Certificates of Analysis report property conformity according to grade, and release criteria are defined by mutually agreed standards or by regulatory demands. Only material meeting both established internal requirements and customer specifications is released.
Each delivery is supported by a dossier matching its batch to full analytical results, including impurity profiles and chromatographic fingerprints where required. Dedicated QA/QC staff retain records for traceability extending through storage and distribution, with control samples archived for post-shipment inquiries. Transparency in these reports is essential—buyers often require analytical method details, manufacturing date, expiry approach, and confirmation that process validation is routinely maintained for ongoing production batches.
Flow-based and batch-wise dichloromethane manufacturing lines support both routine large-volume contracts and ad-hoc order adjustments. Customer forecasts, historical order volumes, and supply chain contingency plans guide manufacturing slot allocation. Scalability in logistics—such as drum, IBC, or bulk tank shipment—is maintained through real-time coordination between production planners and fulfilment teams. For buyers that require adaptability in scheduling or packaging, supply chain managers prepare modular loading plans and short-lead time production slots to buffer against market or demand fluctuations.
The main asset base includes dedicated reaction, distillation, and bulk storage systems with redundancy built in to secure uptime. Control strategies monitor raw material purity, operating parameters, and in-process yields. Sourcing teams qualify raw material producers based on backward integration or long-term agreements, reducing the risk of feedstock shortages. Batch records allow trace-back from any product shipment to original lot and process history, ensuring that capacity scale-up or temporary demand spikes do not affect baseline quality.
Technical support teams coordinate sample requests by first confirming the preferred product grade, typical downstream application, and expected technical evaluation methods. Samples—prepared according to standard lab or pilot-scale processes—undergo the same routine QC release as commercial material. Shipment includes analytical data, material safety documentation, and, upon request, technical comparisons with benchmark products. Quick-turn sample dispatch and follow-up optimization discussions help new customers accelerate qualification or validation work.
A wide range of contract types—spot purchase, volume-based agreements, toll manufacturing, or consignment models—find support in negotiation between production operations and commercial teams. Forecast-driven blanket contracts secure long-term allocation, while flexible call-off terms give buyers control over drawdown timing. Technical service engineers work with procurement teams to adjust packing size, container type, or documentation requirements based on end-use location, regulatory environment, and local handling preferences. This reduces warehouse risk and adjustment time for both sides, while supporting audit-readiness throughout the supply chain.
Process innovation has shaped recent R&D priorities for dichloromethane. Manufacturers have focused on optimizing chlorination parameters of methane and methanol as pre-cursors, seeking lower energy consumption and improved selectivity. Cost discipline in raw material sourcing—specifically the quality of methanol or methane and the purity of chlorine—forms a foundation for laboratory and pilot-scale studies.
Secondary purification, targeting residual chlorinated organics, pushes technical teams to enhance distillation efficiency and minimize batch-to-batch impurity carryover. Grades designed for pharmaceutical synthesis demand attention to trace formaldehyde and chlorinated byproduct profiles.
Solvent demand in film casting, polyurethane foams, and API extraction continues, but compliance with stricter downstream purity requirements drives application-specific formulation adaptations. Occasional shifts to engineered blends, tailored for lower volatility or stabilization in adhesive applications, result in advanced technical requests from R&D departments. Environmental protocols from large buyers steer experimental work toward materials recovery and process-integrated recycling.
Process routes using catalytic oxidation versus direct chlorination generate different impurity signatures. Consistency of end-use performance often depends more on managing trace impurities than on meeting basic assay levels. On-site testing revealed that impurity drift arises during plant turnarounds or raw material swaps, highlighting a need for predictive control systems.
Investments in real-time monitoring—GC-MS and online FTIR—now allow operators to detect and adjust for intermediate buildup before purification bottlenecks. New approaches in decontamination and internal recycling lower the overall waste chemical load and improve cost-of-goods-per-ton for downstream converters.
Short-term demand reflects recovery in pharmaceuticals and flexible packaging, with regionally variable shifts in foam-blowing demand. Regulatory pressure in some geographies—particularly on emissions and worker exposure—has prompted both operational upgrades and increased end-user scrutiny of feedstock origins. Fluctuations in upstream chlorine and energy prices may alter regional competitiveness, affecting contract volumes and annual allocation discussions.
Production lines trending toward sealed-system process intensification support both yield improvements and stricter fugitive emission control. Automation of in-process impurity checks reduces manual intervention, and integrated process analytics strengthen release decision reliability. For specialty grades, hybrid purification—combining fractionation and adsorption stages—increases throughput for electronics and pharmaceutical requirements.
Efforts in raw material stewardship target low-chlorine-loss practices from feed tank to final drum. Closed-loop wastewater handling and in-plant solvent recovery control environmental risk and cut overall resource input. Some newer installations have piloted partial hydrogen chloride recovery, reducing byproduct waste. Collaboration with downstream users to recover and reprocess dichloromethane encourages shared responsibility for end-of-life management.
Manufacturing technical teams directly support customer scale-up trials, especially for pharmaceutical and fine chemical applications. Assistance covers impurity tracking, process adaptation, and troubleshooting for formulation stability. Customers often request data on process residuals, elution profiles, and compatibility with elastomers and metals found in specific plant installations.
Collaboration with users tackles both efficiency and compliance: resin manufacturers may need process adjustments to avoid precipitation, while adhesive formulators work with suppliers to refine vapor emission profiles at the application station. Troubleshooting common line blockages related to improper product dilution or temperature excursions frequently engages technical staff, who guide users on recommended process conditions and aid in adapting blending or dosing systems.
Post-delivery, manufacturer’s commitments center on supporting customer audits, providing traceability for each lot back to production parameters and raw material origin. Feedback loops transfer recurring technical concerns—such as minor changes in evaporation residue or color—back to quality teams for root cause analysis and preventive action. Long-term buyers participate in joint quality review sessions, enabling continuous product fit improvement as customer process conditions evolve.
We operate our dichloromethane production plant based on established process chemistry and consistent batch control. Our facility does not purchase intermediates on the open market; every kilogram of product originates on-site through proprietary, controlled chlorination of methanol. No outsourcing, no dilution, no blending with unverified outside material. Technical grade and refined grades pass through continuous in-process monitoring for moisture, non-volatile residue, acidity, and stabilizer concentration. Each production run is tracked, logged, and reinforced by digital process control, supporting traceability and batch reproducibility. Major investments in DCS automation and real-time analytics allow us to maintain minimized variances in composition—year after year.
Dichloromethane occupies a key workhorse role across pharma synthesis, paint stripping, adhesives manufacturing, metal cleaning, and extraction operations. Pharmaceutical accounts utilize our material for active ingredient processing and tablet coating, where solvent purity and residue testing require strict consistency. Paint and coatings groups rely on fast solvency and controlled volatility to boost throughput in removal and formulation lines. Adhesive and plastic film producers specify our dichloromethane for precise viscosities and finished product clarity. Our support for these industries includes rapid batch adjustment, technical validation, and documented suitability statements for regulated users.
We maintain in-house labs for GC testing, moisture analysis, color, and acidity. Finished product standards derive directly from our own plant trials, not from repack recommendations. Shipment lots move only after documented pass/fail checks reach our quality systems. Supplier audits are unnecessary because all process steps occur on our premises, under our own team’s management. There is no step of the supply chain that escapes visibility—no relabeling, no third-party repack, no stock aging in unknown warehouses. This approach guarantees a reliable baseline of product performance across all downstream applications.
All drums, IBCs, and bulk containers are filled directly at our loading bays, sealed, and transported with full chain-of-custody documentation. Large-volume users in regional hubs can opt for road tankers or ISO containers, filled on dedicated, closed-loop lines to eliminate cross-contact. Storage and transit conditions are monitored using our in-house fleet and validated logistics agents, ensuring the delivered material matches the in-factory specification. Lead times depend on tank availability rather than upstream resupply, so scheduling and inventory forecasting remain predictable for our customers.
Our technical team supports every industrial buyer with hands-on, application-driven advice. Whether the project calls for feedstock suitability checks, solvent recovery tips, or process troubleshooting, engineers and chemists from our operations group answer directly. We translate pilot-plant learnings into full-scale solutions, improving efficiency and minimizing risk for our partners. Documentation, method recommendations, and compliance queries return to the same experienced team that controls each manufacturing lot—no layers of intermediaries dilute accountability.
Direct supply streamlines both procurement and compliance checks. Manufacturers and large buyers benefit from stable pricing, synchronized logistics, and the security of a single-source producer. Distributors who build inventory for regional customers receive assured batch security and uninterrupted service. Procurement professionals gain simplified audit trails and reduction of counterfeit or off-spec risk because there are no “grey” or secondary markets involved. Every product shipment speaks to a controlled production system that aligns technical performance with transparent commercial terms. This direct-to-industry model shapes a partnership built for long-term industrial growth and reliability.
Year after year, hands-on use of dichloromethane in our production lines and direct technical support for our clients reveal the practical value and behavior of this colorless, volatile liquid. Its chemical structure gives rise to properties that make it essential for many manufacturing and processing activities. Offering high solvency while remaining non-flammable, dichloromethane stands out where strong, fast-acting solvency is needed but ignition risk must be minimized.
Dichloromethane boils at a low temperature, near 40°C, which enables quick removal after use in processes like extraction or cleaning. Its moderate polarity allows for broad compatibility with organic compounds, greases, waxes, resins, and certain polymers. The low viscosity and volatility also enhance its efficiency in cleaning and degreasing operations. Its density, higher than water, enables straightforward phase separation for liquid-liquid extraction work in both industrial and laboratory settings.
Our quality control systems verify each batch for purity and stability, as corrosive degradation or contaminant build-up would disqualify the product from key markets. We maintain strict controls during storage and filling to safeguard against evaporation losses and moisture uptake, both of which can impact performance downstream.
Solvent-based manufacturing relies heavily on dichloromethane. We supply major downstream markets in paint stripping, pharmaceuticals, and flexible packaging. Each application comes with its own technical demands:
Global regulatory shifts around worker exposure and emissions management have brought real changes to our operations. We invested in advanced ventilation, solvent recovery, and continuous monitoring to comply with strict occupational standards and maintain uninterrupted supply for critical industries. The push for closed-loop systems and recovery units is an ongoing effort that supports both compliance and resource efficiency.
As a direct producer, we constantly monitor international guidelines and local market needs to offer tailored product grades. Sourcing high-quality chlorinated feedstocks, maintaining consistent reactor conditions, and deploying real-time analytics ensure quality and reliability for diverse end users. Our R&D teams collaborate with industrial partners developing new, safer formulations and alternatives while maintaining legacy support for established markets that depend on proven performance.
We encourage open discussion with end users, regulators, and technical partners to ensure responsible supply and sustained innovation in the use of dichloromethane.
Dichloromethane, often called methylene chloride, has carved a solid place in the industrial and chemical processing world. Its strong solvent power makes it critical in pharmaceuticals, adhesives, paint stripping, and other demanding applications. As the direct manufacturer, we oversee every step of the process from raw material sourcing through final QC release, ensuring robust lot-to-lot consistency, purity, and compliance with global industry standards.
Bulk availability is essential for many businesses with established production lines. Our facilities handle volumes ranging from standard drums to full tanker loads, and we routinely load product for large continuous consumers. The material moves directly from our reactors to dedicated stainless tanks or drums, which allows us to fill sizable orders on tight lead times.
Minimum ordering volumes reflect logistical efficiency and regulatory controls. Currently, our lowest bulk quantity begins at one drum (typically 250 liters), with common shipment modes including palletized drums, IBCs (Intermediate Bulk Containers), and ISO tankers. Routine clients in paint manufacturing, pharmaceutical synthesis, and contract chemical processing often draw full truckloads or tankers, drawn fresh and purity-tested before dispatch.
Our sales and technical units work closely with production, which allows us to deliver predictable turnaround times for standard stock and forecasted demand. Clients with regular consumption schedules can secure rolling contracts or reserved inventory, which reduces delays during high season or supply fluctuations. This direct engagement also simplifies documentation: our technical dossier includes manufacturing origin data, batch-specific COAs, and full traceability for industrial compliance and audits.
Industrial users sometimes have stricter requirements on impurity profiles, packaging, or shipment formats. We provide detailed specifications and can accommodate modified drum linings, vapor recovery features, or specific weight/net-content labeling at scale. Other needs, such as staggered delivery timelines, temperature monitoring in transit, or export-clearance paperwork, get handled as part of our standard service—not as surcharge add-ons. Our focus remains firmly on safe handling, regulatory adherence, and customer process continuity.
The ability to truly support bulk dichloromethane depends not just on factory scale, but on responsible material stewardship. Our plant abides by stringent environmental, health, and safety safeguards, with closed-loop vapor management, thorough operator training, third-party waste disposal audits, and regular review of our workplace air and effluent controls. Safe delivery and handling instructions are included with each shipment, along with spill response support and access to technical specialists for advice on handling or process troubleshooting.
Supplying dichloromethane in bulk keeps us deeply embedded in the purchasing and process cycles of both strategic and regular clients. We reject vague commitments, working instead to match production lots precisely with each order’s timing and technical needs. Our logistics are streamlined in-house to minimize handoffs and delays. For any specialized applications outside the pharmaceutical or industrial standard, we invite candid technical discussion to ensure our material meets or exceeds client targets. That’s how performance remains predictable from the first drum to the largest tanker order.
Dichloromethane (DCM) works hard in laboratories, paint removal, and pharmaceutical production, but transporting it draws on a different set of skills. Highly volatile solvents like DCM require reliable, robust packaging to prevent leaks, loss by evaporation, and accidental contact. In our factories, we fill DCM into steel drums equipped with precision seals or into UN-certified intermediate bulk containers. These packaging choices must meet specific international regulations, including UN recommendations for dangerous goods and US DOT rules. We remain on-site throughout filling, labeling, and closure. The clear labeling we apply meets GHS standards, carrying hazard pictograms, UN number 1593, and transport symbols for proper identification at every stage of transit.
Dichloromethane holds a UN Class 6.1 classification for toxicity, so our transport team must stay trained and maintain compliance with ADR, IMDG, and IATA rules. Our logistics schedules give proper weight to segregation, as DCM cannot travel near food, strong acids, or oxidizing materials. All drivers working with our cargo receive hazmat certification, up-to-date PPE, and emergency spill kits. Each shipment is accompanied by a Safety Data Sheet authored by our compliance staff, along with transport documents checked before loading. Vehicles remain ventilated, using fixed racks or enclosed containers when road or maritime legs demand it.
We commit to both international conventions and domestic requirements for dangerous goods transport. Our product cannot support open flames or sparks; so we regularly check all packaging for signs of wear, corrosion, or improper closure in our finished goods warehouse. Every drum, IBC, or tank meets the most recent test certification, which our staff verifies before release. Our technical experts train our logistics partners, not just on how DCM behaves, but what steps follow in the event of spillage or inhalation risks. Whether preparing a shipment for cross-border export or domestic supply, we always refer to latest updates from regulatory agencies to protect both people and the environment.
As a manufacturer, we face the complexities that come with new transport rules, such as the European REACH regulations and US TSCA oversight. Restrictions grow tighter each year, making frequent audits a necessity. We approach these hurdles by reviewing and upgrading our equipment, and we require documentation before every outbound DCM shipment. To limit exposure during loading and unloading, our facilities use dedicated pumps and closed transfer systems. Frequent staff training keeps our teams sharp and reduces the risk of procedural lapses. If customers need bulk shipments, our technical service group can advise on safe storage at their own sites and share best practices for handling with ventilation and fire prevention in mind.
Long-term partnerships in this market depend on strict adherence to safety, reliability, and transparency. We believe in continuous improvement, not only for regulatory reasons but to protect everyone who interacts with our product—from our line workers to end-users. Complying with international standards means more than ticking boxes; it shapes the way our business trains people, builds infrastructure, and makes packaging decisions. We welcome audits and questions about our processes, and we update our methods as rules evolve. Customers count on us to manage DCM responsibly from factory gate to final destination, and we do not take this responsibility lightly.
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
