Chlorinated Paraffin

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Chlorinated paraffins are complex mixtures of polychlorinated n-alkanes produced by reacting chlorine gas with unbranched paraffin fractions derived from petroleum distillation. They appear as colorless or yellowish viscous liquids or solids depending on chain length and chlorine content. Chlorinated paraffins are classified based on carbon chain length into short-chain, medium-chain, and long-chain varieties. Technical grade chlorinated paraffins are manufactured for industrial applications including plasticizers, flame retardants, metalworking additives, and surface coatings. They exhibit excellent compatibility with polymers, high thermal stability, water resistance, and chemical resistance.

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Chlorinated Paraffin

Primary Uses

1. Plastics and Polymer Manufacturing Chemicals

Secondary plasticizer in polyvinyl chloride (PVC) resins for wire and cable insulation, hoses, tubing, and profiles to improve flexibility and processing characteristics
Flame retardant additive in plastics including PVC, polyethylene, polypropylene, and polystyrene to reduce flammability
Used in conveyor belts, roofing membranes, and pond liners as a plasticizer and flame retardant
Applied in artificial leather production including shoe uppers, upholstery, and automotive interiors
Used in rubber and plastic carpet backing materials
Added to sealants, gaskets, and weatherstripping formulations
Used in flexible PVC films for packaging, agricultural films, and shrink wrap
Applied in rigid PVC pipes, fittings, and window profiles as a processing aid
Used in electrical cable compounds including power cables, communication cables, and automotive wiring harnesses

2. Metalworking and Industrial Lubricants

Extreme pressure additive in metalworking fluids including cutting oils, drawing compounds, and stamping lubricants
Used in gear oils, hydraulic fluids, and industrial gearboxes as an anti-wear additive
Applied in screw-down lubricants for steel and aluminum extrusion processes
Used in thread rolling oils and cold forming lubricants for metal fabrication
Added to quench oils for heat treatment operations
Used in rust preventive coatings and temporary corrosion protectants for metal parts storage

3. Rubber Processing Chemicals

Flame retardant and plasticizer in rubber compounds including conveyor belts, hoses, and gaskets
Used in wire and cable rubber insulation as a flame retardant additive
Applied in rubber flooring and matting products
Used in tire sidewalls and tread compounds for improved processing
Added to rubber roofing membranes and waterproofing sheets

4. Paints and Coatings Chemicals

Flame retardant additive in intumescent coatings for structural steel and building materials
Used in marine coatings, anti-fouling paints, and ship bottom paints
Applied in industrial maintenance coatings for chemical plants and refineries
Used in epoxy coatings, polyurethane coatings, and alkyd resin systems
Added to fire retardant paints for wood, textiles, and electrical applications

5. Construction Chemicals

Waterproofing additive in cementitious coatings, roof coatings, and masonry sealers
Used in joint sealants, caulking compounds, and expansion joint fillers
Applied in concrete curing compounds and form release agents
Used in asphalt emulsions and bituminous waterproofing membranes
Added to road marking paints and traffic paints

6. Adhesives and Sealants

Plasticizer in contact adhesives, pressure sensitive adhesives, and hot melt adhesives
Used in epoxy adhesives and polyurethane adhesives for improved flexibility
Applied in sealants for automotive, construction, and industrial applications
Used in carpet adhesives and tile adhesives

Secondary Uses

1. Textile Chemicals

Flame retardant finishing agent for polyester, cotton, and blended fabrics
Used in industrial fabrics including tarpaulins, awnings, and tent materials
Applied in protective clothing for welders, firefighters, and industrial workers
Used in upholstery fabrics, drapery, and curtain materials
Added to carpet backing and synthetic turf applications

2. Oil and Gas Chemicals

Additive in drilling fluids, lubricants, and corrosion inhibitors for oilfield applications
Used in pipeline coatings and tank linings for corrosion protection
Applied in refinery process chemicals and desalting operations
Used in well servicing fluids and completion fluids

3. Paper and Pulp Chemicals

Coating additive for paperboard and packaging materials to improve water resistance
Used in wax paper, parchment paper, and greaseproof paper coatings
Applied in paper laminates and decorative paper finishes

4. Leather Processing Chemicals

Fatliquoring agent for leather softening and water resistance
Used in leather finishing coatings and impregnation treatments
Applied in synthetic leather production and imitation leather goods

5. Electrical and Electronics

Dielectric fluid in capacitors, transformers, and electrical switchgear
Used as an impregnant in electrical cables and wire coatings
Applied in potting compounds and encapsulants for electronic components

6. Mining Chemicals

Used in flotation agents for mineral processing applications
Added to dust suppression formulations for mine haul roads and processing plants
Applied in ore grinding aids and mineral recovery processes

7. Rubber and Tire Recycling

Used as a processing aid in rubber reclaiming and devulcanization processes
Applied in crumb rubber production for playground surfaces and athletic tracks

8. Inks and Printing Products

Additive in printing inks for improved flow and leveling properties
Used in gravure inks, flexographic inks, and screen printing inks

9. Wood Treatment Chemicals

Wood preservative for exterior timber, utility poles, and railway sleepers
Used in wood sealers and protective coatings for marine applications

10. Flame Retardant Masterbatch Production

Concentrate carrier for flame retardant masterbatch formulations
Used in plastic compounding for injection molding and extrusion applications

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name: Chlorinated paraffin; Polychlorinated n-alkanes
Common/Trade Name: Chlorinated Paraffin; Chlorowax; Cereclor; Witaclor
CAS Number: Mixture (SCCP: 85535-84-8; MCCP: 85535-85-9; LCCP: 85535-86-0)
HS Code: 3824.99
Synonyms: Chlorinated hydrocarbon wax, Chlorowax, Cereclor, Polychlorinated paraffin, CP wax

2. Physical & Chemical Properties

Physical State: Colorless to yellowish viscous liquid or solid
Appearance: Clear to opaque depending on grade and chlorine content
Odor: Characteristic mild odor
Chlorine Content: 30% to 70% depending on grade
Viscosity: 100 to 20,000 cP at 25°C depending on grade
Density: 1.1 to 1.7 g/cm³ at 25°C
Flash Point: Above 150°C (typically non-flammable to combustible)
Thermal Stability: Decomposes above 200°C releasing hydrogen chloride
Solubility: Insoluble in water; soluble in organic solvents, mineral oils, and plasticizers
Compatibility: Compatible with PVC, rubber, alkyd resins, and most polymers

3. Safety & Hazard Attributes

GHS Classification:
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- H335: May cause respiratory irritation
- H362: May cause harm to breast-fed children
- H372: Causes damage to organs through prolonged or repeated exposure
- H400: Very toxic to aquatic life
- H410: Very toxic to aquatic life with long-lasting effects
Toxicity: Low acute toxicity; chronic toxicity concerns for certain chain lengths
Irritation: Mild skin and eye irritant
Flammability: High chlorine content reduces flammability
Regulatory Status: Short-chain chlorinated paraffins are restricted under POPs regulations

4. Storage & Handling Attributes

Storage Conditions: Store in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly closed. Protect from moisture.
Container Type: Steel drums, IBC totes, bulk tankers
Shelf Life: 12 to 24 months when stored under recommended conditions
Handling Precautions: Use with adequate ventilation; avoid contact with eyes and skin; avoid breathing mists or vapors; wear appropriate personal protective equipment
Storage Measures: Store away from strong oxidizers, acids, and alkalis; maintain moderate temperature conditions; prevent water ingress

5. Regulatory & Compliance Attributes

Regulatory Status:
- Stockholm Convention: SCCPs listed as Persistent Organic Pollutants with global restrictions
- EU REACH: SCCPs restricted; MCCPs under evaluation
- US TSCA: Subject to significant new use rules
- Canada DSL: Listed with use restrictions
- China: SCCPs restricted
Labeling Requirements: Must carry environmental hazard pictograms; specific labeling required for SCCPs
Use Restrictions: SCCPs banned or restricted in many jurisdictions; MCCPs under increasing regulatory scrutiny

6. Environmental & Health Impact

Biodegradability: Persistent in the environment; does not readily biodegrade
Ecotoxicity: Very toxic to aquatic organisms with long-lasting effects
Bioaccumulation: High potential for bioaccumulation in aquatic organisms
Persistence: Highly persistent in soil, sediment, and water
Regulatory Trend: Subject to global phase-out and restriction initiatives

SAFETY HANDLING PRECAUTIONS

1. Safety Handling Precautions

PPE Required: Chemical splash goggles; chemical-resistant gloves (nitrile recommended); protective clothing; respiratory protection if mists or vapors are generated
Handling Guidelines: Use in well-ventilated areas with local exhaust ventilation; avoid generating mists or aerosols; do not eat, drink, or smoke in handling areas; wash hands thoroughly after handling; remove contaminated clothing immediately and launder before reuse
Storage Measures: Store in original, labeled containers with tight-fitting lids; secondary containment recommended; keep away from strong oxidizers and alkalis
Hygiene Practices: Wash hands thoroughly after handling; shower at the end of each work shift; do not take contaminated clothing home

2. First Aid Measures

Inhalation: Move a person to fresh air immediately. If breathing is difficult, administer oxygen. Seek medical attention if symptoms persist.
Skin Contact: Remove contaminated clothing. Wash skin with plenty of soap and water for at least fifteen minutes. Seek medical attention if irritation develops.
Eye Contact: Immediately rinse eyes with lukewarm, gently flowing water for at least fifteen minutes while holding eyelids open. Remove contact lenses if present. Seek medical attention if irritation persists.
Ingestion: Rinse mouth thoroughly with water. Do NOT induce vomiting. Seek medical attention if large quantities are swallowed.

3. Firefighting Measures

Fire Hazards: High chlorine content makes product difficult to ignite. May evolve toxic and corrosive hydrogen chloride gas when heated to decomposition.
Extinguishing Media: Use water spray, foam, dry chemical, or carbon dioxide. Water spray is preferred to cool containers and absorb hydrogen chloride.
Special Firefighting Procedures: Wear full protective clothing and self-contained breathing apparatus (SCBA); use water spray to cool exposed containers; contain firefighting runoff to prevent environmental contamination
Hazardous Combustion Products: Hydrogen chloride, carbon monoxide, carbon dioxide, phosgene, other chlorinated compounds