| Names | |
|---|---|
| Preferred IUPAC name | Polychloroalkane |
| Other names | chlorinated paraffins chlorinated alkanes CPs paraffin chlorides chloroparaffins |
| Pronunciation | /ˌklɔːrɪneɪtɪd pəˈræfɪn/ |
| Identifiers | |
| CAS Number | 63449-39-8 |
| Beilstein Reference | 1718736 |
| ChEBI | CHEBI:34749 |
| ChEMBL | CHEMBL4280172 |
| ChemSpider | 187420 |
| DrugBank | DB11142 |
| ECHA InfoCard | 18b7e3c0-0742-4ad6-9bfa-fe8a6cf11f61 |
| EC Number | 264-150-0 |
| Gmelin Reference | 72974 |
| KEGG | C18602 |
| MeSH | Chlorinated Paraffins |
| PubChem CID | 11582 |
| RTECS number | GV8480000 |
| UNII | A1809058D3 |
| UN number | UN 3082 |
| CompTox Dashboard (EPA) | DTXSID2020632 |
| Properties | |
| Chemical formula | CnH2n+2-xClx |
| Molar mass | Molar mass: Variable (depends on chain length and degree of chlorination) |
| Appearance | Clear or pale yellow viscous liquid |
| Odor | Faint sweet odor |
| Density | 1.1-1.3 g/cm³ |
| Solubility in water | Insoluble |
| log P | 6.32 |
| Vapor pressure | Negligible |
| Acidity (pKa) | ~2.0 |
| Basicity (pKb) | 8.5 |
| Magnetic susceptibility (χ) | Diamagnetic |
| Refractive index (nD) | 1.510 – 1.513 |
| Viscosity | Viscosity: 50-5000 cSt (at 25°C) |
| Dipole moment | 2.6 - 3.2 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 510 J/mol·K |
| Std enthalpy of formation (ΔfH⦵298) | -410 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -10.2 MJ/kg |
| Pharmacology | |
| ATC code | There is no ATC code for "Chlorinated Paraffin". |
| Hazards | |
| GHS labelling | GHS02, GHS07, GHS09 |
| Pictograms | GHS05, GHS07, GHS09 |
| Signal word | Warning |
| Hazard statements | H410: Very toxic to aquatic life with long lasting effects. |
| Precautionary statements | Precautionary statements: P260, P264, P273, P280, P301+P312, P302+P352, P305+P351+P338, P314, P501 |
| NFPA 704 (fire diamond) | 2-2-0 |
| Flash point | > 180°C |
| Autoignition temperature | > 210°C |
| Lethal dose or concentration | LD₅₀ (oral, rat): >10,000 mg/kg |
| LD50 (median dose) | LD50 (oral, rat): >10,000 mg/kg |
| NIOSH | KNK77940 |
| PEL (Permissible) | PEL (Permissible Exposure Limit) for Chlorinated Paraffin: 5 mg/m³ |
| REL (Recommended) | REL (Recommended Exposure Limit) of Chlorinated Paraffin: **1 mg/m³** |
| Related compounds | |
| Related compounds | Polychlorinated biphenyls Polychlorinated naphthalenes Chloroalkanes Chloroethanes Organochlorides |
| Parameter | Industrial Commentary |
|---|---|
| Product Name & IUPAC Name |
Product Name: Chlorinated Paraffin IUPAC Name: Polychloroalkane The term "Chlorinated Paraffin" refers to mixtures produced by the chlorination of n-alkanes, usually sourced from heavy cut normal paraffin streams. Actual IUPAC designation shifts based on carbon chain length and extent of chlorination. In industrial experience, naming conventions require strict batch verification due to wide variations in chain length and chlorine content. |
| Chemical Formula |
Generalized Formula: CxH2x+2-yCly Formula depends strongly on both the original carbon chain (x) and the degree of chlorination (y), which is batch and plant route specific. Short, medium, and long chain grades require separate formulation registration, as chlorine content impacts not just formula but also regulatory classification, storage profile, and downstream compatibility. |
| Synonyms & Trade Names |
Common Synonyms: Chlorinated n-Paraffin, CP, Polychloroalkane, Chloroparaffin oil Several trade names are in the market, but naming variations must align with actual chain length range (e.g. CP-42, CP-52, CP-70 for typical chlorine content bands) and product standards disclosed to the regulators and end-use customers. For customs, generic and grade-specific labels cause regulatory delays when not standardized with SDS or technical bulletins. |
| HS Code & Customs Classification |
HS Code: 3824.99 (most jurisdictions) Chlorinated paraffin falls under customs codes assigned for chemical preparations not elsewhere specified. Classification in 3824.99 remains subject to interpretation depending on region and declared grade. In some regions, customs have flagged this material for dual-use review if intended for applications raising environmental or RoHS compliance concerns. Customs authorities may request full disclosure of carbon chain length, chlorine content, and intended use, and misclassification leads to delays or outright rejection at ports. |
Producing chlorinated paraffin in an industrial facility involves continuous quality tracking at every stage, starting with selection of paraffin feedstock. Suppliers typically deliver heavy n-alkane feed with a defined Boiling Range, subject to in-house and customer-defined cut tests to ensure the right carbon chain distribution. Chlorination degree is managed by process parameters, including temperature, chlorine dose rate, and residence time, as different applications—plastisol, rubber compounding, flame retardancy—demand specific chlorine percentages and chain length profiles.
Each region applies a unique HS code at the border based on import documentation and technical bulletins. For example, shipments to the EU often require clear indication of whether the product is short-chain, medium-chain, or long-chain, along with documentary evidence that PCB content and secondary aromatic contaminants meet REACH or POPs restrictions. Meticulous customs records help manufacturers avoid supply chain disruptions from non-compliance notifications. Batch information, technical grade basis, and up-to-date test results should be on hand to answer customs audits.
At release, every batch undergoes chlorination content analysis, by-product profiling, and comparison to agreed technical standards for shipment. Where discrepancies arise between requested and delivered specification—whether by customer request or evolving import requirements—batch segregation and rework often become necessary. The process is most robust where close coordination exists between manufacturing, regulatory, and logistics departments, minimizing the risk of delay or regulatory penalty at border control.
Chlorinated paraffin typically presents as a clear to pale yellow liquid or, for products with higher chlorine content and longer carbon chains, a waxy solid at room temperature. Color and viscosity strongly depend on manufacturing route, chain length (short, medium, long), and chlorine content. Odor profile is faint but can intensify due to minor byproducts or unreacted hydrocarbons. Melting and boiling points, as well as flash point, shift with chain length and chlorine concentration — for example, high-chlorine long-chain grades display a higher melting range and no distinct boiling point due to decomposition. Density rises with both increasing chlorine and longer carbon chains.
In industrial practice, chlorinated paraffin offers good chemical stability against acids and bases under ambient conditions. Stability is greatest in grades with fewer impurities and minimal unsaturation. Exposure to UV light or high temperatures can promote dehydrochlorination or liberation of HCl, particularly in formulations with residual catalysts or trace organics. Compatibility with additives or blending components must be validated for every downstream system given the variability between grades.
Solubility in water is negligible across all grades. Miscibility with organic solvents (e.g., mineral oils, aliphatic hydrocarbons) increases with shorter carbon chains and lower chlorine content. Handling viscosity-modified preparations requires process knowledge, especially for blending solid-grade chlorinated paraffin into lubricants or plastics — heating and agitation parameters affect outcome. Any solvent system used must account for intended application, process equipment, and regulatory limits on residual solvents.
| Grade | Chlorine Content | Viscosity | Color | Recommended Application |
|---|---|---|---|---|
| Short-chain | Grade-specific | Grade-specific | Lighter | Metalworking fluids, flame retardants |
| Medium-chain | Grade-specific | Grade-specific | Pale | Plasticizers, sealants |
| Long-chain | Grade-specific | Grade-specific | Pale/yellow | Polymer additives, coatings |
Specific impurity profiles (e.g., residual free chlorine, unreacted hydrocarbons, partially chlorinated byproducts) are determined by process conditions, feedstock, and grade. Test methods and standards are selected based on regional regulatory guidelines and end-use requirements. Only validated internal or international methods are used for batch release and certification, with additional tests added for customer specifications or compliance audits.
Impurities stem from incomplete chlorination, side reactions, or degradation during manufacturing and storage. Free chlorine, residual solvent, and polychlorinated byproduct content are routinely monitored and managed according to grade specification and market. Final batch acceptance criteria are set through customer-approved protocols or prevailing industrial standards on a per-grade basis.
Standard testing involves titration (chlorine content), colorimetry (color stability), viscometry (dynamic viscosity), and chromatographic screening (impurities and chain length distribution). Reference standards are regional (e.g., EN, ASTM, ISO), with deviations documented for bespoke applications or cross-border regulatory needs.
Main raw materials are straight-chain paraffin hydrocarbons, sourced based on grade purity and supply chain reliability. Sourcing logic considers hydrocarbon origin, chain length distribution, and absence of unsaturated contaminants, as these factors affect chlorination efficiency and product color. Chlorine gas quality must meet internal standards to control reactivity and restrict undesirable byproducts.
Industrial chlorination uses free-radical substitution. Direct chlorination of paraffins proceeds in the presence of light or thermal initiation, with residence time, temperature, and chlorine dosage tuned for each grade to control substitution pattern and product yield. Failure to optimize reaction conditions can result in degraded color, excessive byproducts, or incomplete chlorination.
Continuous or batch reactors are selected based on volume, grade diversity, and desired throughput. Process controls focus on chlorination degree, impurity suppression, and minimization of HCl off-gassing. Post-reaction, volatile impurities and HCl are removed by vacuum stripping, neutralization, and filtration steps matched to the intended grade. Filtration and polishing are calibrated to meet specific color and clarity tolerances.
In-process sampling spans from chlorination monitoring to color and viscosity checks. Batch consistency depends on raw material control, equipment calibration, and real-time adjustment capability. Batch release standards are finalized in agreement with downstream user requirements and compliance with local product registration or hazard classification rules.
Chlorinated paraffin remains chemically robust in most industrial processes, resistant to hydrolysis or mild acids/alkalis. Under extreme thermal or UV exposure, dehydrochlorination can occur, leading to HCl generation. Reactivity with active metals, strong reducing agents, or select organometallics is higher if impurity or unsaturation remains in the product.
Primary production relies on free-radical chlorination—typically photoinitiation or thermal initiation routes. No external solvent is added at industrial scale; paraffin itself acts as the reaction medium. Residual HCl and light-catalyzed side reactions require careful management to prevent batch-by-batch variability.
Downstream, chlorinated paraffin functions as a plasticizer, flame retardant, or lubricant additive. Modification through blending, further chlorination, or additive incorporation is grade-specific and must address thermal, color, and volatility constraints of each formulation step.
Store chlorinated paraffin in tightly sealed, inert-lined containers under ambient temperatures and moderate humidity. Long-term exposure to direct sunlight or high heat risks odor buildup and color change, mainly from trace dehydrochlorination or ongoing side reactions. For solid grades, maintain storage above pour point but below decomposition threshold.
Steel drums with compatible linings or high-density polyethylene containers are preferred; avoid materials susceptible to HCl permeation or reactivity. Equipment in storage and handling should be validated for grade compatibility, taking into account chemical inertness and resistance to permeation.
Shelf life depends on grade, storage conditions, and stabilizer system used. Evidence of quality loss includes darkening, odor intensification, and measurable drop in chlorine content. Ongoing monitoring during storage is recommended for high-purity or regulated-use grades.
Hazard category and labeling reflect chlorine content and chain length. Requirements follow current international agreements and regional implementations. For some grades, additional attention is paid to downstream environmental, health, and consumer product regulations.
Production and handling may liberate HCl gas and low-level chlorinated byproducts. Strict engineering controls and personal protective equipment protocols are applied at all points of manufacture, transfer, and purification. Equipment is selected for gas-tight integrity and compatibility with emergency venting needs.
Exposure limits, acute and chronic toxicity, and environmental fate are under ongoing scientific and regulatory review, particularly for short-chain grades. Manufacturer guidance is based on published studies and national occupational exposure standards, which are referenced in product safety documentation for each site, application, and supply region.
Direct handling requires barrier gloves, goggles, and chemical-resistant clothing, particularly where splashing, off-gassing, or high temperatures are present. Ventilation systems capture fugitive emissions and direct them to appropriate abatement units. All procedures align with internal risk assessments and customer-specific transport and storage requirements tracked through quality assurance systems.
Chlorinated paraffin production typically relies on direct chlorination of straight-chain hydrocarbons (paraffins), primarily sourced from local refineries for mid-chain feedstock (C10–C13, C14–C17). The output rate depends on reactor size, chlorination efficiency, and the required chlorine content. Annual capacity fluctuates based on grade, specialty purity requirements, and scheduled plant shutdowns for maintenance and decontamination. Higher-chlorine-content grades require greater residence time and closer in-process controls, putting constraints on short-term output ramp-up.
Standard grade availability aligns with continuous production scheduling, typical lead times range from several days to two weeks for standard orders. Custom composition, purity, or packaging requirements may require extended production timeframes. Minimum order quantities generally reflect reactor batch sizes or logistics compatibility, and for most grades, the MOQ mirrors a full-container-load or fixed drum lot.
Packaging formats include drum, IBC, or bulk ISO tanks. Packaging integrity directly impacts both handling safety and compliance during international shipping, as transport regulations for dangerous goods (where applicable) may prescribe drum rating and compatibility. Customer-specific packaging may drive price adjustments due to revalidation, contamination control, or additional barrier protection.
Shipment timing considers customs clearance for regulated grades, especially where export controls or environmental restrictions trigger additional documentation. Payment terms remain subject to customer credit review and market exposure but generally follow standard industry credits or LC terms.
Chlorine and paraffin feedstock costs comprise the largest share of variable costs in chlorinated paraffin manufacturing. Feedstock paraffin price volatility responds to crude oil pricing, refinery cut supply, and regional arbitrage, while chlorine cost swings can be amplified by power market changes or caustic soda co-market dynamics in chlor-alkali production. By-product disposal, emissions compliance, and energy intensity contribute meaningfully to grade-dependent cost differences.
Major raw material input cost movements arise from:
Pricing reflects:
Supply concentrates in regions with abundant chlorine and refinery paraffin streams, mainly East Asia, Europe, and North America. Demand strength emerges from plastics, rubber, paints, and metallurgical lubricants. Policy-driven constraints have reduced some capacity in Europe due to environmental classification and stricter emissions controls, while Asian production adjustments reflect environmental compliance investment cycles.
United States/EU: Prefer low-chlorinated, specialized grades. Regulatory stringency limits supply and tightens price spread.
Japan: Market leans toward ultra-high-conformity applications with premium attached to quality certification.
India/China: Largest markets for commodity and mid-grade blends, with ongoing process upgrades to address international restrictions and move toward cleaner production.
Chlorinated paraffin price trends will track chlorine and paraffin markets, but environmental regulation remains a defining influence on global supply and price structure. With major importers enforcing stricter registration (such as the European Union’s authorisation process and Canada’s risk management approach), product availability for higher-purity and compliance-backed grades remains constrained, supporting higher price levels through 2026 unless new entrants invest in low-emission technology. Market analysis reflects reported trade data, major producer published forecasts, and regulatory filings as primary sources.
Several producers in China have reported restructuring or technology upgrades to comply with new wastewater and atmospheric discharge standards. EU-based consumers continue to revise procurement toward REACH-compliant sources with complete registration and hazard communication documentation.
Recent amendments in the EU and North America expand restrictions on short-chain chlorinated paraffins, pushing demand toward less-regulated mid- and long-chain grades. Domestic producers must implement full traceability, batch-level impurity reporting, and ongoing audit programs in response to these controls.
Typical mitigation steps involve front-end feedstock selection, in-process monitoring for dioxin and related impurity surges, modular scrubbers, and pre-dispatch quality release per customer requirement. For new regulations, most capacity upgrades center on emissions capture and batch-by-batch certification to secure approval in regulated markets.
Across our production and technical support history, Chlorinated Paraffin (CP) finds core utility in multiple industrial formulations. Applications include:
| Application | Preferred Carbon Chain | Chlorine Content Range | Key Performance Criteria |
|---|---|---|---|
| PVC Plasticizer | C14-C17 | 45-52% | Low volatility, good compatibility, clarity |
| Flame Retardant (Polymers & Rubber) | C18 and above | 50-70% | Thermal stability, low migration |
| Metalworking Fluids | C10-C13 | 55-60% | Lubricity, extreme-pressure load |
| Paints & Adhesives | C14-C17 | 50-55% | Solvent resistance, haze control |
Plasticizer Applications: Purity and residual chlorine level directly determine the color stability and migration resistance in soft PVC compounds. Grades for these uses often pass clarity and volatility benchmarks at the batch release stage.
Metalworking Fluids: The sulfur content from raw material selection or byproduct formation can impact the system’s wear protection and staining characteristics. The carbon chain fraction and chlorine level control lubricity and smoke generation during machining, making grade selection critical for performance and safety.
Polymer Flame Retardants: Grades going into flame retardant systems undergo thermal stability screening. Certain impurities generated from over-chlorination or improper process temperature control can cause discoloration or unpredictable release during extrusion or molding.
Raw material selection starts with a clear understanding of the field: cable compounding, cutting oil, or flame-retardant masterbatch. Each application prioritizes parameter sets—viscosity, volatility, compatibility, or lubricity. Technical teams typically gather application details during project kickoff to propose a workable grade shortlist.
Compliance needs define grade limits for certain regions and end uses. For instance, use in toys or direct-contact applications faces local and global control measures (REACH, RoHS, or specific national legislations) on short-chain fractions or residual impurities. During tech support, we review certificates and liaise with clients over anticipated regulatory checks.
Purity targets depend on how sensitive downstream formulations are to color, odor, and long-term stability. In metalworking or industrial-grade plastics, batch color and acid value influence acceptance. For optical applications or specialty rubbers, higher purity or specific chain fractions may be defined in the product specification sheet or contract.
Grade selection often balances physical property targets, cost considerations, and minimum order requirements. In bulk supply, consistent batch properties matter as much as price. We manage order planning through transparent batch reports and sampling from discrete productions to assure traceability.
Our release protocol involves sending qualified samples accompanied by batch test data. Clients use these for in-house trials, benchmarking for color stability, compatibility with base polymers, or field performance in the final application. Feedback from customer validation closes the selection loop, supporting process adjustments or alternative grade proposals.
Within the chlorinated paraffin manufacturing process, adherence to formal quality management systems forms the foundation of every operational stage. Manufacturing lines maintain continuous certification under internationally recognized frameworks, frequently ISO 9001, subject to ongoing external audits and internal system reviews. These certifications reflect procedural consistency for product quality, with particular emphasis on batch traceability, raw material qualification, and implementation of corrective action systems at every quality deviation point.
Product certification requirements reflect customer country regulations and downstream industry criteria. Typical demands in chlorinated paraffin applications involve compliance statements for regulatory registrations such as REACH for European shipment, and confirmations related to restricted substance content (including low levels of dioxins, polychlorinated biphenyls, or heavy metals) as dictated by current regulatory frameworks. Specialized grades, such as those destined for use in plastics or coatings, can trigger application-specific certification or independent third-party test documentation as requested. Industry buyers should clarify certification priorities per batch destination and market use; there is no universal standard for every end market.
Each lot dispatched passes through release checks linked to batch-specific certificates of analysis (COA) and, if requested, certificates of conformity (COC). These authenticate the grade, supply route, critical impurity profiles, and analytical results according to both manufacturer and client pre-agreed acceptance criteria. Depending on end use—whether as a plasticizer or in flame retardant formulations—additional test reports or compliance statements for phthalate residuals, or nonylphenol content, can be included. For application areas sensitive to contamination, full material traceability and chain-of-custody records extend back to primary raw material sources, with all supporting documents catalogued in the manufacturer's digital records management system to support post-shipment data review and regulatory audit demands.
Consistent bulk supply remains a top customer requirement for chlorinated paraffin consumers in industries like PVC compounding and metalworking fluids. Manufacturing facilities utilize feedstock qualification and scheduled maintenance to reduce outage risk. Advance production plan coordination aligns capacity allocation with contracted volumes or anticipated offtake, using stockpile targets to buffer short-term market fluctuations. Commercial teams work directly with customer planners to lock in monthly or quarterly volume commitment windows, but can address urgent spot cargo demands through rapid cycle slotting for qualifying buyers with established records.
Stable output relies on long-term supply contracts for base paraffin feed and key catalysts. Real-time monitoring tracks conversion efficiency and product fraction yield. Batch and continuous lines are managed under in-process sampling protocols, with adjustment capability for chlorination severity and final product viscosity to match grade requirements. Finished material storage includes separate tanks for each grade, reducing batch cross-contamination and supporting just-in-time shipment programs.
Prospective buyers requesting technical trials engage through direct coordination with technical services. Typical procedure starts with identification of application context and grade requirements, followed by submission of technical parameters by the client. Small-volume sample materials are selected and packed under controlled conditions, with accompanying technical bulletins and representative analysis reports that show typical impurity profiles and viscosity or chlorine content data, as relevant to the requested grade. Response times and available sample volumes depend on inventory at the site and the nature of special handling precautions for certain grades or transport modes.
Business flexibility extends to cooperation models covering both supply terms and technical engagement. Contract lengths, shipment frequency, consignment inventory, and minimum order quantities are tailored through negotiation anchored in production load and logistical realities rather than rigid catalog policies. Product customization—from additive packages to tailored chlorine content targets—operates within the physical and regulatory limitations of established process lines, discussed transparently with the client before any scale-up. Technical support for compounding, process troubleshooting, or compliance documentation remains available throughout the customer life cycle, with feedback directly informing production adjustments in subsequent lots when application shortcomings are demonstrated by credible test results.
| Aspect | Manufacturer's Approach |
|---|---|
| Quality System | Certified through continuous audit, tailored release protocols, established traceability. |
| Supply Stability | Core capacity planning, scheduled feedstock management, customer volume forecasting. |
| Grade Differentiation | Batch management by grade, process adjustment, end-use focused compliance. |
| Cooperation Model | Negotiated commitments, adaptable terms, feedback-driven technical adjustment. |
| Sample Support | Application-identified samples, accompanying technical documents, grade-specific analysis. |
Production groups and technical teams currently focus R&D efforts on achieving narrower carbon chain distributions, controlled chlorine content, and managing low-residue color for sensitive applications. In practice, process adjustment for secondary versus primary chlorination remains a central area of study, impacting product stability and downstream compatibility. As regulators increase scrutiny of short-chain chlorinated paraffins, there’s a shift in development resources toward mid- and long-chain grades, especially in formulations intended for PVC plastisol, leather finishing, and metalworking fluids.
Producers observe strong end-user interest for chlorinated paraffin as a secondary plasticizer in specific polymer systems where phthalate restrictions apply. R&D groups report increased technical queries for fire retardant usage in wire & cable insulation, and hydraulic fluid formulations in place of legacy halogenated additives. Application development teams actively support custom blends with tailored volatility, aiming to deliver consistent performance across both automotive undercoating and adhesive markets. Evaluations for blended lubricity are ongoing in the cold rolling sector.
Manufacturers face persistent challenges minimizing unreacted chlorine and managing residual free acid, which both affect long-term storage stability and compatibility with downstream blending. Modernization of batch chlorination control systems has led to improved reproducibility in both viscosity and color stability, resulting in fewer out-of-spec batches. Operator teams pay close attention to maintaining a consistent hydrochloric acid removal process, as variations lead to increased impurity loads that can alter thermal stability in compounding operations. Upgrades in purification steps have shown to reduce short-term yellowing in high-purity grades.
End-market demand for chlorinated paraffin is projected to evolve based on regional policy changes, particularly in response to restrictions on certain chain lengths and chlorination levels. Customer feedback indicates a move toward grades with lower environmental persistence, with North America and Europe showing the most pronounced shift. Application-specific formulations for metalworking and flame-retardant applications will likely drive higher specifications and increased support for custom blending. Bulk volume growth is expected in segments aligned with restrictions on alternate plasticizers, particularly in Asia-Pacific and Middle East manufacturing hubs.
Production teams anticipate increased use of real-time process monitoring to reduce batch variability. Emerging automation in temperature and chlorine flow control systems aims to reduce impurity spikes that have historically led to customer complaints or reprocessing needs. The incorporation of solvent-free process routes is under evaluation as part of modernization, with a dual goal to reduce fugitive emissions and offer purer product grades for critical applications. Analytical advancements have improved the ability of QC labs to detect trace aromatic impurities, supporting customer demand for compliance in sensitive applications.
Environmental requirements exert steady pressure to reduce residual hydrocarbon content and transition upstream procurement to less impactful feedstocks. Batch engineering teams are expanding trials on renewable feedstock substitution, but commercial-scale results remain mixed and are closely linked to regional supply chain realities. Efforts are underway to further recover and reuse byproduct hydrogen chloride, minimizing discharge and strengthening closed-loop compliance. Production optimization to lower energy consumption per ton is a stated operational goal, backed by continuous investment in heat integration and chlorine recapture technologies.
The technical service team operates as an integrated resource, offering expert-level feedback on grade selection for specific performance targets within customer plant conditions. Support extends to adapting process parameters to align with equipment sizing, mixing speeds, and stabilizer packages found in different end-use facilities. Detailed guidance is provided on the handling and compatibility of chlorinated paraffin with plasticizer bases and synergists present in PVC, rubber, or lubricant formulations.
Field engineers collaborate directly with customer quality teams to troubleshoot processing or compounding anomalies, such as unexpected color development, phase separation, or viscosity drift. Support covers on-site root cause analysis of blending and filtration challenges, with feedback loops into batch control adjustments for future supply. Custom testing protocols are available to determine the interaction of supplied grade with other process ingredients under actual plant operating conditions.
Responsibility extends beyond delivery, with a focus on batch traceability, timely response to product performance queries, and commitment to replacing or reworking any shipment deemed non-conforming to agreed customer-spec or final QC release standards. Regular follow-ups are standard practice for new application launches or first-time grade adoption, ensuring consistent performance throughout the integration process. Best practice guidance is freely provided on storage, transfer, and blending to minimize risk of contamination or off-spec use, referencing both internal standards and regulatory developments as applicable.
Our facility produces chlorinated paraffin through a continuous process, utilizing tightly controlled chlorination of straight-chain hydrocarbons. The operation runs under fixed parameters set for carbon chain length, chlorine content, and process temperature. Control over each batch stems from investment in process automation and in-line quality checks at critical points. The finished output meets industry-dictated thresholds for viscosity, color, and thermal stability.
Our product plays a direct role in several major industrial processes. It serves as a secondary plasticizer and flame retardant in flexible PVC formulations, providing both cost efficiency and compliance with flammability standards. Metalworking industries rely on the fluid’s lubricating properties to reduce tool wear and control heat during heavy-duty cutting, stamping, and rolling. In rubber compounds, it brings reinforcement and fire resistance. Paint, sealant, and adhesive manufacturers use it to improve chemical resistance and mechanical strength in finished goods.
Quality assessment starts at raw material entry and carries through to final shipment. Our plant employs real-time chlorine analysis, molecular weight checks, and residue filtration to deliver only material that passes compliance triggers. Transparency in batch documentation supports traceability and addresses any technical audit required by regulatory bodies or commercial partners. This level of oversight prevents off-spec product from reaching the warehouse or the customer line.
All packaging—whether steel drums, IBCs, or bulk tanker loads—comes direct from our automated filling lines. Container selection aligns with requirements for safe handling and downstream production needs. Automated filling ensures net weight is accurate; tamper-evident seals offer further security during transit and on arrival. Pallet loads follow a strict racking system for optimized container stability and damage prevention in transit. All outbound shipments originate from our on-site warehouse, allowing rapid scaling for urgent or large-volume orders.
Our application engineers engage with customer teams throughout trials and process upscaling. They support compounders, extrusion operators, and plant managers with precise dosing advice and troubleshooting for in-line application challenges. We routinely assist in evaluation of post-addition effects on physical and fire performance of target goods, guided by data from our testing labs. This hands-on technical support helps buyers select and integrate the right grade for the job.
Procurement and manufacturing teams benefit from the direct factory relationship in multiple ways: predictable lead times, batch-level certification, and stable supply during periods of tight global inventory. We reduce overheads for distributors and OEMs by eliminating extra links in the chain. Our technical documentation—supported by audited batch records—simplifies compliance checks for team leads and plant engineers evaluating alternatives or switching over lines. Bulk buyers receive shipment consolidation and custom schedules for improved dock-to-stock planning, allowing for better inventory control and reduced downtime.
Direct oversight of production, quality, and supply chain logistics is essential in serving industrial users. Every ton that leaves our facility carries a data trail, performance record, and a clear path for technical support. Teams trust this approach when looking for stability, regulatory clarity, and performance consistency in chlorinated paraffin procurement.
In our daily operations, the main question we address from formulation specialists and end-users revolves around chlorine content in various grades of chlorinated paraffin. The core grades—short-chain (C10–13), mid-chain (C14–17), and long-chain (C18+), each draw distinct physical traits from their level of chlorination.
Our process can tune the chlorine content from roughly 30% up to about 72% by weight. Low-chlorine products, around 40%–50%, often suit requirements for plasticizers in flexible PVC and rubber, balancing compatibility with mechanical strength. Medium-chlorine content grades, typically 50%–58%, deliver a stronger flame retardant effect and frequently see use in paints, adhesives, and sealants. High-chlorine content, climbing above 60%—up to our upper practical production limits—brings better chemical resistance but at the cost of higher viscosity and lower plasticizing ability. Choices here depend on whether the end use calls more for flame resistance or flexibility and blending.
Different chlorine loads generate real-world changes in handling. Increasing chlorine raises viscosity—products at or below 50% stay quite pourable at room temperature, useful when fast throughput matters or when metering exact dosages. Our mid- and high-chlorine range products thicken noticeably. Past about 60% chlorine, many grades reach a semi-solid state at room temperature unless stabilized with co-solvents or delivered warm. This makes them excellent candidates for specialty coatings or applications needing high resistance, but less ideal for closed-system transfers where pumpability is key.
Our high-chlorine paraffins feel stickier, and in large batches can appear off-white to pale yellow. In ultra-pure applications, high aesthetic demands mean stricter monitoring for color stability and clarity, both of which our team measures and controls during final QC.
Technical end-users often overlook the link between raw material design and trouble-free processing. For instance, too high a chlorine content in a flexible PVC hose formula quickly hikes up the gel time and makes extrusion trickier. On the other side, using a grade below 45% chlorine in flame-retardant cabling won’t meet compliance because the halogen contribution simply falls short. We address specification requests by supplying samples tested on-site in real-world scenarios and highlight these performance boundaries to avoid downstream headaches.
Density rises as chlorination increases—our 40% grade measures near 1.1 g/cm3, while the 70% product may approach 1.6 g/cm3. This affects inventory management and blending, as tank calibration becomes more important at the higher densities.
Recent regulatory discussions mean we constantly review our C10–13 grades for compliance, especially for exported shipments. Our technical staff can walk stakeholders through documentation and alternative options for long- and mid-chain grades where regulations tighten.
Chlorinated paraffin isn’t just about a percentage label—success comes from matching grade and application. We maintain direct production traceability and blend consistency so customers can rely on stable, repeatable quality. We keep innovation practical, providing lab and technical support for unique needs or regulatory updates, and always back this with scale and documented process control.
Chlorinated paraffin is a versatile industrial material that finds its way into applications ranging from PVC compounding and metalworking fluids to leather processing and paints. As a direct manufacturer with established production lines, we have always focused on packaging solutions that address operational needs while supporting safe handling, transport, and storage.
Daily production involves close attention to packaging that secures the integrity of the material from plant to customer. The most commonly requested packaging sizes include:
We occasionally see requests for customized packaging such as 25 kg plastic drums or flexitank containers for export bulk shipments. These are evaluated based on the nature of the product order, stability requirements, and destination logistics. Where technical and safety criteria are met, we align our packaging lines to these special requirements after a straightforward discussion with the client’s technical team.
Industrial-scale manufacturing inevitably means coordinating batch processing, labor, quality control, and regulatory oversight. These realities shape minimum order quantities (MOQs). Our MOQs balance production efficiency and both local and international logistics:
For customers with larger volume requirements or ongoing monthly supply contracts, we streamline coordinated shipments to keep material flow consistent and minimize stoppages at the user’s production line.
We keep a close eye on the economic impact of packaging choices. Steel drums bring solid protection and are suitable for repeat use in closed-loop systems, but add weight and footprint for shipping. IBCs improve efficiency for high-volume users, especially where automated material handling is installed. Custom-sized drums or bulk arrangements may unlock additional cost advantages but require substantial volume or steady demand.
Every order passes through our quality control lab, and all packaging is traceable back to the batch date. We maintain a transparent, documented process so that our clients are supported in meeting both internal quality standards and regulatory requirements.
Some applications—such as heat stabilizer manufacture, high performance lubricants, or sensitive PVC compounding—lead to unique requests around residual moisture or compatibility additives in the packaging. Our technical team works directly with customers’ formulators and engineers to ensure packaging matches each precise need. This level of direct coordination, grounded in our experience as a producer, lets us quickly adapt to changing compliance or logistics requirements.
We encourage clear communication at the specification stage so the first shipment matches all project needs. Technical questions about packaging, batch certification, or logistics are handled directly by our experienced team—ensuring each customer receives efficient, compliant, and secure delivery of chlorinated paraffin, every time.
Our business has dedicated decades to producing chlorinated paraffin for applications that demand stability and industrial reliability. Safe storage and transportation are not only industry norms, but central to our daily operations. This is a chemical with specific properties—its viscosity, halogen content, and reaction to temperature and humidity require real-world know-how at every step.
Over the years, we have seen local authorities grow ever more diligent regarding the handling of chlorinated products. Classification as a hazardous chemical imposes mandatory rules for packaging, labeling, and transport. Regulations are not paperwork for the shelf; they impact the drum, the warehouse, the fleet, and training for every worker involved.
Cargo containing chlorinated paraffin must display correct hazard labels. Documentation always travels with the goods—transport documents must specify the chemical identity and the hazard class. If you miss a detail, shipments get held up or returned. Regular audits teach that nothing can be left ambiguous, whether that’s the labeling on IBCs or the way material safety data accompanies each load.
In our country, key requirements include the provision of Safety Data Sheets (SDS) with each shipment and ensuring all drivers have received compulsory training in hazardous goods. We keep an ongoing log of every delivery and every return drum, which authorities can review anytime. Our warehouse must maintain up-to-date safety signage and spill response instructions clearly posted at every storage area. Storage temperatures cannot be left to guesswork; records of monitoring and inspection support compliance, and we maintain clear separation from incompatible goods as a standard practice.
Comprehensive documentation is an industry safeguard, not just a bureaucratic hurdle. Correct declaration of product codes, hazard classes, and batch traceability enables quick action if an incident occurs. Authorities want access to up-to-date documents; as a result, every shift in our production or logistics receives prompt updating across our record systems. Regulatory visits happen at any time—our team conducts in-house audits monthly to keep ahead of possible oversights.
Certificates proving safe handling, staff training logs, cleaning records for tanks and containers, insurance policies—all these protect not only our operations but also the freight carriers and end users. When we invest in safety, incidents are rare, but if something does occur, clear documentation reduces ambiguity, supports insurance claims, and satisfies investigators.
Regulatory requirements continue to evolve as authorities examine emerging research about chlorinated substances and their long-term effects. We have seen packaging rules updated, notification procedures altered, and storage volume restrictions implemented. Adaptation means working closely with our technical team to redesign handling protocols, invest in upgraded storage, and reinforce safety culture across shifts.
For companies like ours, proactive engagement pays off. We brief logistics partners using our own documentation standards. Training modules reflect not just the rules, but the real chemistry behind transport and storage decisions. Technology helps—digital logs eliminate confusion in paperwork, and automated sensors support accurate record-keeping for temperature and leak detection.
As manufacturers, we balance regulatory mandates with hands-on experience to keep chlorinated paraffin both safe and accessible for all downstream uses. This takes ongoing investment and a focus on detail well beyond basic compliance. Ultimately, the safety of our product travels with every drum, sustained by well-prepared teams and documented procedures from factory to end user.
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
