Paraffin Wax CAS # 8002-74-2
| Product Name | Paraffin Wax |
| CAS No. | 8002-74-2 |
| Molecular Formula | CnH2n+2 (mixture of saturated hydrocarbons) |
| Melting Point | 47–65°C (depending on grade) |
| Boiling Point | Above 370°C (approx.) |
| Density | 0.88–0.92 g/cm³ at 20°C |
| Vapor Pressure | Very low; typically less than 0.1 hPa at 20°C |
| Refractive Index | Approximately 1.43–1.45 |
| Flash Point | Typically 199–240°C (depending on grade and test method) |
| Storage Temp. | Store in a cool, dry, and well-ventilated area. Keep below +30°C and away from heat sources. |
| Solubility | Soluble in chloroform, ether, and most hydrocarbon solvents; slightly soluble in some organic solvents; practically insoluble in water. |
| Form | Solid |
| Color | White, translucent, or slightly yellowish |
| Odor | Odorless or faint characteristic waxy odor |
| Odor Type | Waxy |
| Biological Source | Petroleum-derived |
| Water Solubility | Insoluble |
| Freezing Point | Approximately 47–65°C (depending on grade; generally corresponds to the melting range) |
| Dielectric Constant | Not commonly specified; varies with composition and temperature. |
| Stability | Stable under recommended storage conditions. Combustible when heated. Incompatible with strong oxidizing agents. |
| Cosmetics Ingredients Functions | SKIN PROTECTANT EMOLLIENT OCCLUSIVE |
| InChI | Not available (Paraffin Wax is a complex mixture of hydrocarbons, not a single molecular compound). |
| InChIKey | Not available |
| SMILES | Not uniquely defined (mixture of saturated hydrocarbons). |
| LogP | Not applicable as a single fixed value; varies with hydrocarbon chain length and composition. |
| CAS DataBase Reference | 8002-74-2 (CAS DataBase Reference) |
| EPA Substance Registry System | Paraffin Wax (8002-74-2) |
Products Description of Paraffin Wax CAS # 8002-74-2
Paraffin Wax (CAS 8002-74-2) is a white or pale yellow translucent crystalline solid primarily used as a lubricant, coating agent, and mold release agent in packaging, candles, rubber and plastic products. It is insoluble in water and soluble in hydrocarbon solvents. It is widely applied in candle making, paper coating, food packaging, cosmetics and hot melt adhesives.
Paraffin Wax CAS # 8002-74-2 Chemical Properties
| Hazard Codes | Not classified (per GHS/CLP); some legacy SDS list Xi (Irritant) |
| Risk Statements | Not applicable (non-classified); some legacy SDS list R36/37/38 |
| Safety Statements | S24/25 - Avoid contact with skin and eyes; S36/37 - Wear suitable protective clothing and gloves |
| WGK Germany | 0 (varies by source) |
| RTECS | RV0350000 |
| TSCA | TSCA listed |
| HS Code | 2712.20 (mineral/petroleum wax; some sources list 2710.19 or 2713) |
| Storage Class | 10 - Combustible liquids (varies by grade/form) |
| Hazard Classifications | Not classified as eye/skin irritant; molten wax may cause thermal burns |
| Toxicity | LD50 oral rat: >5000 mg/kg |
Product Application of Paraffin Wax CAS # 8002-74-2
Preparation Method:
Paraffin Wax is primarily obtained from petroleum refining processes, particularly through the dewaxing of lubricating oil fractions. During refining, wax-containing oil fractions are separated by solvent dewaxing using solvents such as methyl ethyl ketone (MEK) and toluene, or through other crystallization and separation techniques. The crude wax is then deoiled to remove residual lubricating oil and impurities. Further purification processes, including hydrofinishing, clay treatment, and filtration, may be applied to improve product quality, color, odor, and stability. Depending on the refining process and intended application, the final product is available in fully refined, semi-refined, and slack wax grades. Commercial paraffin wax typically appears as a white or translucent solid with a crystalline structure and consists mainly of saturated straight-chain hydrocarbons, generally ranging from approximately C20 to C40.
Main Application Areas:
Candle Manufacturing: Widely used in the production of household candles, decorative candles, tealights, and industrial candles due to its excellent burning properties, low odor, and ability to retain shape.
Packaging and Coatings: Used as a moisture-resistant coating for paper, cardboard, and packaging materials. It provides water resistance, surface protection, and improved barrier properties.
Rubber and Tire Industry: Employed as a protective additive in rubber compounds and tire manufacturing. It helps prevent ozone cracking and protects rubber surfaces from environmental exposure.
Cosmetics and Personal Care: Used in creams, lotions, lip balms, ointments, and other personal care formulations as an emollient, thickener, and protective agent, subject to applicable purity and regulatory requirements.
Food and Pharmaceutical Applications: Fully refined, food-grade or pharmaceutical-grade paraffin wax may be used in approved applications, including food coatings, glazing agents, and certain pharmaceutical preparations, in accordance with relevant regulatory standards.
Industrial Applications: Used in polishes, adhesives, electrical insulation, textile finishing, matches, and various specialty wax formulations due to its chemical stability, water repellency, and insulating properties.
Safety Information:
Paraffin Wax is generally considered to have low toxicity under normal conditions of use. However, contact with molten wax may cause serious thermal burns to the skin and eyes. Inhalation of wax fumes or aerosols generated during heating may irritate the respiratory tract. Prolonged exposure to heated wax vapors should be avoided. Paraffin Wax is a combustible material and may present a fire hazard when exposed to high temperatures, open flames, or other ignition sources. Fine wax dust may form combustible dust clouds under certain conditions. Adequate ventilation should be provided during melting, processing, and handling. Appropriate personal protective equipment, including heat-resistant gloves, safety goggles, and suitable protective clothing, should be used when handling molten wax. Store in a cool, dry, well-ventilated area, away from strong oxidizing agents, excessive heat, and ignition sources. Keep containers properly sealed and protected from contamination. Follow the product-specific Safety Data Sheet (SDS) and applicable local occupational safety and transportation regulations.
Upstream and Downstream Product Information:
Upstream: Key raw materials and feedstocks include petroleum-derived lubricating oil fractions, crude oil distillates, and wax-containing refinery streams. Processing materials may include methyl ethyl ketone (MEK), toluene, and other suitable solvents used in dewaxing and deoiling operations. Hydrogen and catalysts may also be used in refining and hydrofinishing processes.
Downstream: Major downstream products include candle wax, wax emulsions, paraffin-based coatings, waterproof packaging materials, rubber and tire additives, polishes, adhesives, cosmetic formulations, pharmaceutical preparations, and various industrial wax products.
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