| Names | |
|---|---|
| Preferred IUPAC name | 1,1-Dichloroethene |
| Other names | 1,1-Dichloroethylene 1,1-Dichloroethene 1,1-Ethylene dichloride Dichloroethene Dichloroethylene |
| Pronunciation | /vaɪˌnɪlɪˈdiːn daɪˈklɔːraɪd/ |
| Identifiers | |
| CAS Number | 75-35-4 |
| Beilstein Reference | 1718731 |
| ChEBI | CHEBI:18380 |
| ChEMBL | CHEMBL49997 |
| ChemSpider | ChemSpider ID: 6393 |
| DrugBank | DB04418 |
| ECHA InfoCard | 03b0a94e-7b8e-4fd9-8ec3-f62c45eac0b7 |
| EC Number | 200-864-0 |
| Gmelin Reference | Gm. 806 |
| KEGG | C02345 |
| MeSH | D014757 |
| PubChem CID | 6387 |
| RTECS number | KU9625000 |
| UNII | 6X9Y5VY0Q1 |
| UN number | UN1303 |
| Properties | |
| Chemical formula | C2H2Cl2 |
| Molar mass | 96.94 g/mol |
| Appearance | Colorless liquid |
| Odor | Mild, sweet odor |
| Density | 1.46 g/cm³ |
| Solubility in water | 2.5 g/L (20 °C) |
| log P | 1.96 |
| Vapor pressure | 518 mmHg (20 °C) |
| Acidity (pKa) | 13.2 |
| Basicity (pKb) | Basicity (pKb): 8.72 |
| Magnetic susceptibility (χ) | −74.0·10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.4240 |
| Viscosity | 1.04 cP (20°C) |
| Dipole moment | 1.93 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 119.5 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -167.4 kJ·mol⁻¹ |
| Std enthalpy of combustion (ΔcH⦵298) | -614 kJ/mol |
| Hazards | |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225, H319, H335, H351 |
| Precautionary statements | P210, P261, P280, P304+P340, P305+P351+P338, P308+P313 |
| NFPA 704 (fire diamond) | 2-4-2-W |
| Autoignition temperature | 250 °C (482 °F) |
| Explosive limits | Explosive limits: 7.1–16% |
| Lethal dose or concentration | **LD₅₀ oral, rat: 2100 mg/kg** |
| LD50 (median dose) | LD50 (median dose): 500 mg/kg (oral, rat) |
| NIOSH | NIOSH: KU9625000 |
| PEL (Permissible) | PEL (Permissible Exposure Limit) for Vinylidene Dichloride: "1 ppm (5 mg/m³) TWA |
| REL (Recommended) | 0.04 ppm |
| IDLH (Immediate danger) | 50 ppm |
| Related compounds | |
| Related compounds | Vinyl chloride Vinylidene fluoride 1,1-Dichloroethane Trichloroethylene Tetrachloroethylene |
| Product Identification | Details |
|---|---|
| Product Name | Vinylidene Dichloride |
| IUPAC Name | 1,1-Dichloroethene |
| Chemical Formula | C2H2Cl2 |
| CAS Number | 75-35-4 |
| Synonyms & Trade Names | 1,1-Dichloroethylene, VDC, Vinylidene chloride |
| HS Code & Customs Classification | 2903.19 (Chloroethylenes, not elsewhere specified) |
In production settings, identification hinges on clarity and regulatory traceability. Technical staff must reference the IUPAC name and chemical formula during batch release, specification setup, and customs documentation. Changes in trade names usually follow shifts in downstream application and regional marketing strategies but do not modify the underlying material quality assurance parameters.
CAS registration ensures alignment with international chemical inventory listings, which is checked during raw material acceptance, sales across jurisdictions, and compliance reviews for export declarations. HS codes serve customs channels for tariff assignment and shipment tracking. They require accurate classification, or shipments may be delayed or rerouted. Customs often cross-verify HS codes with CAS and product names during clearance, and discrepancies can lead to re-testing or even cargo seizures, as witnessed in misdeclared lots by other producers. Our technical team continuously monitors updates to HS code policies, especially as destination countries adjust interpretations to match national chemical control programs.
Vinylidene dichloride’s synonyms factor into internal control systems, especially where customer specifications refer to different nomenclature by sector or legacy standards. When contract manufacturing for polymer industry clients, these naming conventions are embedded in quality agreements and product labels, minimizing risk of miscommunication during formulation or regulatory reporting.
Choosing the correct classification detail affects operational efficiency. Documentation errors propagate through the supply chain, impacting inventory traceability modules and batch genealogy reconstructions. For every export batch, we confirm product identification with both the technical and compliance units before customs sealing.
In industrial settings, vinylidene dichloride is typically seen as a clear, colorless liquid with a sharp, penetrating odor. The physical state remains liquid at ambient temperature relevant to storage and handling conditions. Both melting and boiling points depend on sample purity and residual solvent content, which can vary slightly between production grades. Bulk density is strongly influenced by temperature control during packaging and transfer operations, with careful monitoring required to avoid vapor losses due to volatile nature.
Vinylidene dichloride shows moderate chemical stability under tightly controlled environments. Heat, light, and the presence of certain metal ions or alkaline materials tend to promote polymerization and degradation. Product intended for polymer-grade applications demands inhibitor addition as a precaution during storage and transport.
Water solubility of vinylidene dichloride is low, making emulsification or solution blending common practice for downstream use. Solubility in organic solvents varies; compatibility with formulation solvents should be confirmed based on project specs. Proper solution preparation avoids exotherms and mitigates inhibitor depletion.
Specification details are grade-dependent, driven by the end-use, especially in specialty polymer and copolymer markets. Technical, polymer, and custom grades have distinct limits for moisture, acidity, and stabilizer content.
| Parameter | Typical Range (Grade-dependent) |
|---|---|
| Assay (wt.% VDCl2) | Grade- and batch-dependent; detailed values set at batch release |
| Water Content | Application-driven maximum required |
| Stabilizer Type & Level | Defined per customer and handling requirement |
| Color (APHA) | Spec limits agreed per order |
Principal impurities include 1,1-dichloroethane, hydrogen chloride, unsaturated chlorinated organics, with levels varying by synthesis route and purification steps. These are routinely monitored by GC and titration; acceptance criteria reflect product grade and customer specification. Impurity spikes often trace to upstream feedstock variance or incomplete separation.
Typical assays involve gas chromatography, Karl Fischer titration, and colorimetric analysis. Test frequency and pass/fail criteria follow either internal standard operating procedures or are customized per contractual quality agreements. The final release standard is subject to internal quality control criteria and customer requirements.
Chlorination-grade ethylene and purified chlorine feedstocks anchor the production. Feedstock quality assessment is essential; impurities in raw ethylene or residual moisture in chlorine impact downstream yield and require corrective purification.
Vinylidene dichloride is manufactured through the chlorination of 1,1-dichloroethane or direct reaction of ethylene with chlorine under controlled thermal or catalytic conditions. The route selection largely responds to economic factors, raw material availability, and final purity targets.
Key control points include temperature management, residence time, and continuous removal of hydrogen chloride and by-products. Extended exposure to elevated temperatures or catalytic surfaces increases by-product formation, demanding multi-stage distillation and inhibitor addition. Every batch is sampled at stage gates for composition, acidity, and color.
In-process checks verify product meets agreed limits for purity, stabilizer level, and color. Final batch release only occurs after stability verification under simulated storage conditions. Trace impurity content review and customer-specific blending are incorporated to ensure batch consistency.
Vinylidene dichloride primarily undergoes free-radical polymerization to form polyvinylidene chloride and copolymers. Customers may ask for details regarding its reactivity under different initiator systems or copolymerization ratios with vinyl chloride, acrylates, or vinyl acetate.
Industrial conversion typically uses peroxide or azo initiators. The selection of initiator and solvent, as well as temperature, comes from careful evaluation of polymer end-use. Secondary decomposition or branching increases with impurity load or unintended metallic exposure.
Most industrial consumers convert vinylidene dichloride into barrier films, copolymers, or aqueous dispersions. Side reactions or excessive stabilization may influence downstream modification, so stabilization system choice is confirmed in technical exchange with the customer.
Storage stability depends on product grade, stabilizer content, and packaging conditions. Temperature is tightly managed, usually below conditions that promote vaporization or polymerization. Avoidance of direct sunlight and humidity control are routine practices. Inert gas blanketing reduces the risk of in-storage reaction, especially for unstabilized grades.
Material selection for tanks, drums, and manifolds centers on corrosion resistance and avoidance of catalytic metals or base contaminants known to trigger polymerization.
Shelf life remains grade-specific and is influenced by stabilizer type, storage temperature, and exposure history. Visual inspection for color change, turbidity, or gel formation supports quality assessment before use. Expired or improperly handled stock exhibits haze, off-odor, or trace polymer content; such lots require technical review before release.
Vinylidene dichloride is classified according to recognized hazard communication standards, taking into account acute toxicity, suspected carcinogenicity, and environmental hazard. Actual label information is updated as regulations evolve and batch testing confirms.
Manufacturing plants treat vinylidene dichloride as a hazardous liquid, both by inhalation and skin contact. Technical staff are briefed on correct dilution, containment, and vapor management techniques to control occupational risk.
Chronic and acute toxicity data are referenced in workplace training and risk assessments. Handling procedures incorporate published exposure limits where available. Engineering controls and continuous personnel monitoring ensure no process area exceeds safe exposure thresholds.
Plant operations rely on ventilation engineering and closed transfer to reduce airborne concentrations. Chemical-resistant PPE remains standard issue in all handling zones. Emergency response plans address both acute exposure and containment of accidental releases.
Production patterns for vinylidene dichloride hinge on the constraints of its precursor chemicals and the scale of dedicated monomer units. Downtime caused by upstream chlorination outages or equipment maintenance directly governs monthly output for both bulk and fine grades. Integrated facilities can adjust volumes based on demand volatility, but batch campaign sequencing and cleaning regimes create minimum lead cycles. Seasonal swings in feedstock allocation sometimes shift allocation priority between grades used for barrier resins and those intended for specialty copolymer markets.
The availability of the purified monomer is reserve-dependent–occasional restrictions surface during global supply squeezes linked to upstream energy price spikes or force majeure events in chlorine networks. For standard commercial offerings, minimum order quantity varies by grade and destination. Bulk commodity monomer typically moves in isotank or drum containers, with fine grades often subject to more restrictive batch-release schedules and shorter shelf lives due to reactivity concerns.
Production schedules for vinylidene dichloride respond to campaign-based manufacturing. For multi-grade plants, sequencing of runs for low-impurity material extends lead time by several days beyond commodity types, with additional QC batch release steps for export markets. Minimum order quantities for standard bulk export rest at one full isotank, but for specialty or research suites, smaller drum or pail quantities are scheduled less frequently and may incur a premium.
Standard grades ship in lined steel drums or pressurized isotanks with vapor-tight seals. High-purity material for specialty end users typically fills smaller pre-cleaned vessels under nitrogen. Certification for packaging focuses on compliance with international transport codes for toxic and volatile organics, especially those adhering to IMDG or CFR-49 protocols. Packaging selection remains grade- and destination-specific; for instance, North American buyers prefer DOT-approved tanks, while EU compliance demands additional labelling.
Shipping contracts are tailored case-by-case, factoring in transit hazards posed by volatility and toxicological profile. Direct shipment from manufacturing plant to end-user terminal is prioritized to control contamination risk. Payment terms for volume buyers tend to rely on LC or net-30/60 arrangements post-QC release, but specialty batch runs for R&D are often arranged with pre-shipment deposits, reflecting their higher handling risks and potential for downgrading during transit.
The price structure for vinylidene dichloride pivots on the costs of upstream chlorinated feedstocks and associated solvent recovery operations. Chlorine and ethylene dichloride market disruptions filter rapidly into monomer pricing, especially in regions tied directly to natural gas and electricity rates. Turnarounds at core chlorine producers or incidents at membrane cell operations cause immediate route changes and cost adjustments in the supply chain.
Material grade exerts a major influence—low-residue, high-purity batches generated through multi-step distillation bear higher process, testing, and containment costs reflected in their net price. Compliance with pharmaceutical or food-contact standards often doubles or triples the analytical workload and extends batch release time, further inflating the delivered cost.
Grade tiering stems from downstream polymerization and copolymer applications, with higher purity, tighter contaminants, and stringent packaging certification significantly boosting per-kg price. Fluctuations typically follow the cost of purification energy, waste stream management, and mandatory hazard labelling, especially for shipments to the EU, US, and Japan where certificates drive logistical and compliance expenses. Bulk grade destined for barrier resins carries a base price, but pharmaceutical and optoelectronic polymer applications command surcharges related to analytical verification, strict impurity limits, or specialized transport equipment.
Raw material benchmarks supplied by industry indices offer trend signals, but regional regulatory developments or unforeseen logistical disruptions (i.e. Red Sea or Panama Canal route interruptions) frequently outweigh published averages.
World supply cycles for vinylidene dichloride remain tightly indexed to a handful of major integrated producers in Asia, North America, and, to a lesser extent, Europe. The expansion of high-barrier packaging and specialty polymer demand in Asia continues to propel capacity increases, with Chinese and US producers leading spot market transactions. COVID-19 or energy shocks in the past five years proved that even modest disruptions upstream sharply reduced spot supply, leading to price escalations and temporary contract renegotiations.
The US and China anchor global capacity, reflecting investments in both feedstocks and downstream resin applications. Europe remains vulnerable to energy price fluctuations and chlor-alkali plant reliability. Japan maintains a presence in high-purity, niche segments tied to electronics and precision polymers. India continues expanding downstream copolymer and fine chemical applications, with dependence on imported feedstock making supply chains more volatile during geopolitical events.
Price forecasts for 2026 rely on a combination of industrial cost curves, upstream feedstock contract trend analysis, and ongoing monitoring of regulatory changes in key economies. Internal tracking draws from contract feedstock purchasing, energy price hedges, and confidential benchmarking with global industry groups. Downstream demand projections for advanced packaging and specialty polymers contribute additional upward bias to the forecast. Spot market volatility expected to increase if downstream users push for tighter impurity specifications or if global shipping disruptions persist.
Recent quarters brought stricter environmental scrutiny of chlorinated monomer emissions in the EU and stricter reporting on off-gassing and transport losses in North America. Some Asian exporters adopted new purification and reclamation steps as Chinese authorities moved to enforce new standards on chlorinated waste management.
Compliance requirements now include enhanced product traceability and reporting of impurities. US EPA monitoring of off-gassing from transfer vessels triggered investment in vapor mitigation. Europe’s focus on persistent organic pollutants led to new packaging certification rules affecting high-purity grades.
From a plant operations perspective, investments in continuous distillation, improved vent recovery, and QC automation have become routine. Supplier mitigation efforts also focus on securing alternative feedstock sources, upgrading internal auditing, and redesigning packaging for stricter compliance in export zones. Coordination with regulatory teams increased in frequency, and product release schedules adapt as new test panels or data transmission requirements are formalized in global compliance frameworks.
Vinylidene dichloride has long established its position in a range of industries due to its inherent barrier properties and compatibility with various copolymerization partners. The majority of demand centers on specialty polymer coatings, flexible packaging films, and specific barrier formulations for food and industrial contents. Usage in monolithic polymer manufacture, adhesives, and as an intermediate in organic synthesis forms a smaller but specialized field. Each sector maintains unique demands regarding purity, reactivity, and co-monomer content. Manufacturing teams pay particular attention to batch homogeneity and residual monomer markers to align with downstream performance targets.
| Industry Segment | Typical Grade Selected | Performance Criteria |
|---|---|---|
| Polymer & Copolymer Films | Polymerization-Grade | Low inhibitor content, controlled alkalinity, minimized residuals |
| Packaging Coatings | High-Purity Polymerization Grade | Reduced organochlorine impurities, clear batch lot traceability |
| PVC Modifier Additives | Intermediate-Grade | Defined co-monomer profile, batch-to-batch consistency |
| Specialty Adhesives, Sealants | Technical-Grade | Controlled volatiles, process-favored stabilization |
| Organic Synthesis Intermediate | General Industrial Grade | Acceptance of broader fraction range, basic stabilization |
Determine end use with specificity: Are you formulating high-barrier coatings, co-extruding packaging film, synthesizing a custom copolymer, or using vinylidene dichloride as an intermediate? Each end use imposes its own set of chemical, physical, and impurity benchmarks. For specialty film producers, very low residuals and optical clarity require top-level purification prior to shipment.
Review compliance targets such as FDA, EU FCM, or local food-contact legislation if the product comes in direct or indirect contact with food, potable water, or medical devices. Manufacturing shifts process parameters for grades entering sensitive markets, focusing on batch documentation and upstream control over all input streams.
Pilot-scale and commercial production teams set detailed specifications for minimum allowable impurity content based on the sensitivity of the downstream process. Color-critical and polymer grades rely on purification steps—fractional distillation, in-process filtration, and closed transfer. Some industrial and adhesive grade applications optimize process yield by accepting a broader range of feedstock profiles if no post-processing strictness exists.
Large-scale users can justify higher filtration or on-site purification if cost structures align, but specialty and batch operations often depend on ready-to-use quality at delivery. Price breaks scale with volume, but handling complexity and dedicated packaging increase with higher purity specifications.
Processing trials with batch-retained samples provide the only credible insight into fit-for-use. Our technical representatives recommend batch samples before committing to volumes beyond pilot or early scale, particularly where in-plant filtration, stabilization, or polymerization configurations might respond to subtle differences among grades. Pilot and commercial support focus on establishing long-term batch homogeneity, not just single-lot suitability.
Consistent production of vinylidene dichloride draws directly on a stringent internal quality system. Operations adhere to established quality management frameworks, with audit trails maintained at each process step. Certification scope includes coverage of raw material traceability, control of critical parameters during polymerization or distillation, and batch record management. In practice, the implementation of these systems supports traceable corrective actions and ensures reliability for users reliant on downstream product stability.
Some regulatory regions or market segments require compliance beyond general quality standards. For industrial vinylidene dichloride, grade and end-use drive certification demand. Typical documentation covers compliance with relevant chemical inventory registrations and, where necessary, attestation to restricted impurity profiles for specialty or high-purity grades. Certifications respond to application segment: packaging, coatings, or resins request different supporting proofs, which are managed and updated based on end-user need and the prevailing market regulations.
Detailed batch-specific release documentation supports every shipment. Standard reports include identification testing, purity verification (typically via chromatographic or spectroscopic methods), and characterization of volatile and non-volatile residue. For customers requiring comprehensive audit packages, historical data on process deviation, change management reports, and supply stability summaries can be provided after agreement. Document retention policies account for record longevity in pharmaceutical or specialty polymer markets, where traceability extends beyond common industrial requirements.
Production scheduling for vinylidene dichloride operates with built-in redundancy at several points. Feedstock qualification criteria and plant line versatility support steady output, even during planned maintenance or raw material supply fluctuations. This ensures both volume assignments for annual contracts and spot supply arrangements for emerging projects. Customers with fluctuating demand profiles receive production planning options that allow them to balance inventory risk and avoid overstocking, especially in volatile market cycles.
The production system was designed around core equipment that is regularly maintained and independently inspected. Plant throughput and on-stream factor are monitored continuously, while major process variables—such as temperature controls and pressure transformations—are logged for post-audit review. By focusing on raw material purity at intake and implementing gated process controls, the frequency and scale of off-spec output remain minimized. Repeat users benefit from batch reproducibility, with statistical process control used to review and refine consistency.
Sample requests undergo both technical and compliance review. Users specify intended application and performance requirements, then the technical team matches available grades before initiating controlled filling from representative production batches. Complete analytical data accompanies each sample shipment. Follow-up supports any technical questions about application testing, allowing users to clarify handling requirements or performance observations before progressing to volume orders.
Business models range from fixed-volume, long-term delivery schedules to just-in-time fulfillment according to customer drawdown rates. Manufacturers and buyers align on minimum take-or-pay volumes to secure capacity, with escalation mechanisms built in for projects or seasonal changes. Technical liaisons communicate directly on any adjustments to specifications or logistics, especially where downstream changes impact performance or safety criteria. Emergency supply options exist, subject to pre-qualification, and framework agreements allow buyers to secure priority production slots. These options allow procurement teams to operate with confidence, knowing they can adjust their requirements in line with real-world operational demands.
Recent industrial research points to demand shifts for vinylidene dichloride (VDC) in high-barrier film production, specialty polymer resins, and emulsions for water-resistant coatings. Our technical teams witness direct customer inquiries on copolymer blends customized for multilayer packaging and engineered barrier protection, which set the direction for in-house lab trials and pilot scale validation. Integration of VDC in waterborne technologies, avoiding legacy solvents, sees increasing demand from regulatory-driven sectors. Data from application feedback cycles suggest that traditional monomer-purification methods are scrutinized for their impact on film clarity and polymer consistency.
Functional coating solutions in pharmaceutical and electronics sectors have triggered formulation requests for grades free of process-induced residuals and free monomer. In our pilot lines, we evaluate VDC-based copolymers for improved environmental barrier properties, focusing on requirements from lithium battery separator producers and advanced food contact materials. Extensive field discussions confirm that the push for low odor and low extractables in consumer-facing end uses places technical pressure on achieving low impurity profiles.
One recurring process challenge involves managing corrosive byproduct formation during bulk polymerization, which induces line fouling and downstream discoloration. Purification strategy selection—specifically, azeotropic distillation and specialty adsorbent beds—remains critical for minimizing off-grade fractions. Nucleophilic contaminants originating from upstream feedstocks must be managed to maintain batch-to-batch consistency, demanding rigorous feedstock traceability and real-time impurity monitoring. Recent breakthroughs in continuous purification loop upgrades show measurable improvement in minimizing in-spec drift between campaigns.
Industry sources expect gradual increases in VDC demand from high-barrier food packaging and pharmaceutical films, but shifts in global regulatory environments add uncertainty to traditional PVC copolymer market shares. Compared with linear historical growth, downstream feedback indicates a premium placed on monomer grades that meet emerging purity requirements for specialty resins. Energy and raw material pricing volatility is a major driver of short-term supply chain decisions, leading us to keep stock management and logistics closely synchronized with customer order flows.
Technical evolution in VDC production comes from continuous process analytics and catalyst optimization aimed at reducing batch-cycle times and minimizing generation of regulated chlorinated byproducts. Our engineering group allocates resources to digitalization of quality control workflows that cut manual sampling time and enable early detection of off-spec parameters. Process intensification trials focus on modular reactor systems capable of adapting to specialty production runs while reducing overall waste output.
Sustainability requirements direct R&D investments toward feedstock substitution trials, especially examination of low-carbon propylene sources for upstream raw material integration. Closed-loop solvent recovery and vent emission abatement systems have become standard engineering priorities. Many end-use applications now specify targets for residual vinyl chloride and total extractable organics, which shape both process design and after-treatment options within our plant. Technical assessment teams routinely update environmental impact models to reflect batch output changes and recalibrate mitigation protocols accordingly.
Our technical support group provides application-driven consultation based on customer process inputs, especially for new polymerization line startups and transition projects. Troubleshooting guidance covers dosing compatibility, inhibitor management, and troubleshooting of polymerization exotherms linked to batch size or equipment geometry changes. Feedback loops between production samples and customer pilot runs enable root cause identification for phase separation, color bodies, and unexpected reactivity endpoints.
Field technical teams coordinate direct support for formulation adjustment and copolymer ratio fine-tuning. Solutions depend on end-use—pharmaceutical, food contact, or industrial. For example, pressure from food packaging converters for low residual content pushes us to develop tighter inline QC and post-production analytics, with service protocols that adjust to different regulatory settings. Critical recommendations on storage and feedstock blending are tailored by grade and application, addressing specific demands for handling, safety, and downstream stability.
Post-sale, we maintain reference stocks for batch re-testing and guarantee traceability for complaint investigations or process audits. Our after-sales commitments include delivery of technical data packs, rapid-response field callouts for troubleshooting, and ongoing dialogue on compliance topics such as emerging restrictions on chlorinated intermediates. If a downstream process changes or a regulatory update impacts batch usability, dedicated technical contacts remain available for application refinement discussions and process integration reviews.
Our facility produces Vinylidene Dichloride using dedicated reactors and proprietary process controls. By taking direct responsibility for every stage—from raw material selection to purification and handling—we achieve a product that meets strict industrial standards. Every batch leaves the line meeting clear benchmarks for assay, moisture, and physical properties, with documentation available for order-specific traceability.
Polymer manufacturers depend on Vinylidene Dichloride for copolymerization, particularly where high barrier films are required. The production of saran resins drives demand due to their resistance properties in food packaging, medical wraps, and coatings. Other downstream sectors, including specialty adhesives and high-performance lacquer producers, incorporate this monomer to achieve specific performance outcomes unattainable with substitute chemistries.
Maintaining consistent chemistry is not optional in modern industrial workflows. Each campaign run in our plant operates under a closed system, monitored by in-line analytical equipment and backed by batch sampling. Experience has taught us the cost of variability, both in plant downtime and end-product rework. On-spec delivery underpins both our customer relationships and production planning commitments.
We provide customer-focused packaging solutions, with steel drums and isotanks prepared under controlled environments to prevent product loss or contamination. Temperature recordings and tamper-evident seals come standard across export shipments. Our plant logistics team manages refrigerated transport, export documentation, and HS classification. This hands-on supply management supports just-in-time inventory strategies at scale across multiple countries.
Polymerization and conversion processes demand specific feedstock quality and technical backup. Our technical staff consult with plant engineers at clients’ sites on formulation, process troubleshooting, and regulatory adaptation. This approach started from our own need to maintain high yields and process uptime. By sharing our field-level experience, we enable partner plants to integrate Vinylidene Dichloride efficiently into complex production environments.
Procurement teams and supply chain managers see benefit in factory-direct deals—no regrading, no reselling chain, no ambiguity over blend origin. Commercial buyers who secure supply at the source gain not only cost transparency, but immediate access to application support and logistics assurance. For distributors who require steady product to maintain contract delivery schedules, line-of-sight into our manufacturing backlog and in-plant inventory proves invaluable.
Our company stands behind full-cycle manufacturing practices for Vinylidene Dichloride, supporting business partners who require confidence in repeatable, traceable supply. With on-site engineering expertise and end-user facing technical support, we anchor critical supply chains for manufacturers and distributors who depend on uninterrupted production. Decades of in-plant experience shape both the product we ship and the reliability our partners expect.
As a direct manufacturer of vinylidene dichloride (VDC), we have seen the value of this compound across major industrial sectors. VDC remains a key monomer for creating copolymers, especially in barrier packaging materials. Our technical team supports packaging producers who rely on our VDC for coating films that guard food and consumer goods against moisture and oxygen. Industries turn to VDC copolymers, such as polyvinylidene chloride (PVDC), for cling films, blister packaging, and specialty applications where preservation is critical.
VDC copolymers also strengthen industrial adhesives and coatings. Our product plays a pivotal role in protecting metals and providing corrosion resistance in marine and automotive applications. Flexible laminates, used for medical devices and sensitive electronics, benefit from the chemical’s superior barrier qualities and compatibility with coextruded film technology. Our regular feedback with film manufacturers has led us to refine our product process, enabling high clarity and consistent roll stability.
Paint and textile industries have integrated our VDC-based copolymers for specialty binders and finishes. These materials impart flame retardancy and chemical stability in fabrics where safety and performance matter. Our plant partners with compounders who demand purity and batch consistency for downstream customization. All these industrial uses depend on the high reactivity and unique structure of vinylidene dichloride that other monomers cannot easily replicate.
Vinylidene dichloride brings distinctive challenges in chemical handling and compatibility. Its structure contains two chlorine atoms bonded to the same carbon, so it resists many organic solvents and acids, but it reacts aggressively with strong alkalis and high temperatures. Our technical team measures and controls polymerization conditions tightly to avoid unwanted side reactions that can cause instability or discoloration. This attention to process variables separates successful production from inconsistent output.
VDC-derived copolymers commonly interact well with vinylic monomers like vinyl chloride and acrylonitrile. Difficulties surface with amine-containing compounds and formulations heavily weighted with organic bases. These interfere with the monomer’s integrity and can initiate chain degradation—reducing shelf life and property retention. Application engineers at our customer plants have reported yellowing or embrittlement after exposure to ammonia or concentrated caustic cleaning cycles. We consistently recommend segregating VDC copolymers from alkaline process lines and using neutral pH cleaning agents. Corrosion-resistant materials and controlled temperature profiles keep installations running smoothly.
Residual monomer content and trace hydrochloric acid formation during storage have drawn regulatory scrutiny. Our quality team exhaustively monitors impurity levels through batch testing and post-polymerization stabilization. Safe handling protocols—under rigidly sealed systems with dedicated venting—ensure product integrity and operator safety. We adapt our bulk packaging methods to minimize moisture ingress and vapor losses. These steps safeguard downstream applications and meet evolving industrial and food safety regulations worldwide.
As manufacturers, we invest in continuous education for our customers and partners about compatibility and process improvements. Feedback from production floors, backed by direct application testing and pilot coextrusion projects at our site, keeps our chemical offering one step ahead of changing industrial demand.
Raw material planning and batch production shape the entire lifecycle of a specialty monomer like Vinylidene Dichloride. The real challenge comes from the nature of the chemical itself: it’s highly reactive, sensitive to moisture, and requires secure containers throughout storage and transit. For a direct manufacturer like us, batch sizes must balance quality, storage logistics, and industrial demand. With this context, minimum order quantity and delivery timing become more than just numbers on a datasheet—they affect everything from plant operations to safe handling protocols.
Many customers interested in Vinylidene Dichloride approach us expecting flexible small-quantity solutions. In reality, setting up a full production line for small volumes is cost prohibitive and introduces unnecessary risk of product degradation. For polymer production, barrier film manufacturing, or resin synthesis, larger volumes are favored to ensure material consistency and performance. Our minimum order quantity often reflects the lowest feasible batch size from our reactors, rather than an arbitrary commercial threshold. Typical minimum order sizes fall in the range of multi-ton lots, shipped in specialized drums or isotanks. This approach supports both supply reliability and safety, as partial filling of containers can accelerate product breakdown.
For decades, we have found that setting clear minimums keeps our logistics smooth, meets strict regulatory handling requirements, and ensures product delivered meets agreed purity standards. Smaller experimental or laboratory samples stem from different pilot-scale lines, not from main production runs. Our commercial team coordinates requests for such exceptions, but regular commercial shipments remain standardized for best safety and efficiency.
Vinylidene Dichloride isn’t a compound held in long-term inventory. Each batch gets produced against actual customer commitments or well-established delivery calendars. This practice addresses both stability of the highly volatile chemical and cost of storage. Lead time typically incorporates raw material sourcing, setup of reaction vessels, packaging, and final transport preparation. Most orders require several weeks from confirmation to shipment, with our planners working closely with both the production floor and third-party auditors to verify product batch completion and documentation. Time frames stretch further in periods of raw material scarcity or heightened safety audits.
Clear customer demand forecasting and forward planning help reduce delays. If customers work with us to schedule production windows ahead of time, we can often lock in delivery slots and keep downstream processing seamless. Rush orders raise safety and quality risks, and for substances like Vinylidene Dichloride, we maintain strict controls on every order’s scheduling and logistics to prevent safety incidents.
Our focus stays on direct communication with end-users, allowing rapid adaptation to changing requirements in resin, adhesives, or specialty film markets. With a dedicated technical team based at the plant, any unique specification requests or technical queries receive a fast, accurate response. Regular investments in process control equipment and operator training back up our pledge to consistent, reliable supply. Customers benefit from direct engagement, removing confusion and aligning batch size and timing expectations with the realities of industrial chemical manufacturing.
Our production floor handles vinylidene dichloride from start to ship. We do not leave anything to chance, especially with chemicals that demand close attention. Vinylidene dichloride offers strong barrier properties for packaging, but safety during storage and transportation remains a daily concern due to its volatility and regulations surrounding its use.
Direct bulk packaging is not an option. Strict containment in sealed, high-integrity drums or steel containers prevents vapor leaks and extends shelf life during transit or warehousing. Containers come lined or treated to reduce interaction with the contents, since moisture and heat can trigger polymerization or decomposition. Drums are color-coded and barcoded in our facility for real-time tracking all the way to the receiving dock.
There is no room for shortcuts with volatile organics—improper storage or transport containers can lead to pressure-build, leaks, or even fires. Every container is pressure-tested before filling, and vented drums are used for overseas shipments where ambient temperature swings are bigger. Our technical team consults on storage compatibility on customer sites.
Vinylidene dichloride never sits in direct sunlight or high-heat environments at our plant. Storage warehouses use temperature controls and forced ventilation. This is not a convenience; it is a lesson learned from real incidents. Once, a carrier parked a shipment in a sun-exposed yard—within hours, pressure inside started to creep up. Real-time sensors issued an alert, and we intervened before shipment left our site. Mistakes like these teach the importance of active temperature and vapor monitoring all the way from filling to offloading.
During truck or container loading, workers use explosion-proof equipment. We train every driver and warehouse staffer on emergency venting and evacuation protocols, not as red tape, but because experience tells us: assumptions do not keep people safe. Regular emergency drills and logged inspections reduce both risk and downtime.
There are real teeth behind compliance requirements on chlorinated organics. In our region, vinylidene dichloride is a controlled substance under national dangerous goods laws. We provide MSDS documents with every shipment—always up to date. Proper hazardous material labeling on each package is checked by both our logistics and compliance staff before release.
Manifest documentation details composition, weight, emergency procedures, and response contacts at both departure and arrival points. Our export team manages direct customs filings, working closely with authorities for permits and shipment quizzes. No truck, container, or railcar leaves without a fully verified paper trail. Carriers are picked for their specialization in chemical transport, not for price, because in this segment, low-cost shortcuts lead to expensive consequences.
We invest heavily in R&D for stabilization additives during shipment. Safer alternatives and polymer blends reduce hazards, but removing risk entirely remains elusive until a truly inert substitute emerges at large scale. In the meantime, we equip our customers with storage guidelines tailored for their climate, integrating lessons from our own logistics audits and field feedback. Regulatory frameworks evolve, so our legal and R&D teams monitor the latest updates daily to advise customers and stay ahead of requirements.
Real expertise with vinylidene dichloride comes through repeated, hands-on experience, not just ticking boxes. We develop every protocol based on production knowledge, firsthand delivery records, and issues faced both on the factory floor and the road. Our doors stay open for plant tours and compliance consultations, and we publish real case studies to keep the entire supply chain safer and better informed.
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
