| Product Name | Styrene / Styrene Monomer / SM |
| Chemical Formula | C₈H₈ / C₆H₅-CH=CH₂ |
| CAS No. | 100-42-5 |
| Product Form | Colorless to pale yellow transparent oily liquid with a special aromatic odor |
| Product Grade | Premium Grade: Purity ≥99.8%, Polymer ≤10 ppm. Application: High-end polystyrene, ABS resin, SBR rubber, etc.First Grade: Purity ≥99.5%, Polymer ≤20 ppm. Application: General polystyrene, unsaturated polyester resin.Qualified Grade: Purity ≥99.0%, Polymer ≤50 ppm. Application: Coatings, modified materials, general industrial use. |
| Key Indicators | Purity: ≥99.8% (Premium) / ≥99.5% (First Grade)Polymer Content: ≤10 ppm (Premium) / ≤20 ppm (First Grade)Color (Pt-Co): ≤10 HazenAldehydes (as benzaldehyde): ≤0.01%Peroxides (as hydrogen peroxide): ≤50 ppmSulfur Content: ≤5 ppmChlorine Content: ≤5 ppmInhibitor (TBC): 10-15 ppm (adjustable per customer request)Moisture: ≤0.03% |
| Physical Properties | Molecular Weight: 104.15 g/molBoiling Point: 145℃Melting Point: -30.6℃Flash Point: 31℃ (closed cup)Autoignition Temperature: 490℃Explosion Limit: 1.1-6.1% (volume fraction)Density (20℃): 0.906 g/mLWater Solubility: Slightly soluble in water, soluble in alcohol, ether, acetone, carbon disulfide and other organic solvents |
| Product Features | Colorless transparent liquid with aromatic odor; High reactivity, easy to polymerize; Important polymerization monomer for homo-polymerization or co-polymerization; Moderate boiling point for easy rectification separation; Toxic and irritating, requiring protection; Flammable liquid, keep away from ignition sources; Inhibitor required during storage and transportation to prevent polymerization |
| Main Applications | Polystyrene (PS): General-purpose polystyrene (GPPS), high-impact polystyrene (HIPS) for home appliance shells, packaging materials, daily necessitiesABS Resin: Copolymerized with acrylonitrile and butadiene for automotive parts, electronics, pipesStyrene-Butadiene Rubber (SBR): Synthetic rubber for tires, shoes, hosesUnsaturated Polyester Resin (UPR): For fiberglass, coatings, ship hulls, building materialsStyrene Copolymers: SAN, SBS (thermoplastic elastomer), etc.Other Uses: Coatings, inks, ion exchange resins, pharmaceutical intermediates |
| Packaging Method | Bulk: Special stainless steel tank trucks or ISO tank containers (20-25 tons/vehicle)Drum: 200L galvanized iron drums (net weight approx. 185kg/drum) |
| Storage Conditions | Store in cool, ventilated, explosion-proof warehouse, away from ignition and heat sources; Storage tanks shall be nitrogen-sealed to prevent contact with air and polymerization; Recommended storage temperature ≤25℃, avoid direct sunlight; Add inhibitor (TBC) to maintain stability; Store separately from oxidizers, acids, halogens; Storage period not exceeding 3 months |
| Transportation Requirements | Dangerous Goods (Class 3 Flammable Liquids), special dangerous goods transport vehicles required; Sun protection, rain protection, leak prevention during transportation; Tank shall be nitrogen-protected; Do not transport with oxidizers, acids; Comply with dangerous goods transportation regulations |
| Quality Standard | GB/T 3915-2021 Styrene for industrial useSH/T 1610-2011 Styrene for industrial use |
| Testing Service | Certificate of Analysis (COA) provided with shipment; Third-party inspection reports (SGS, ITS, etc.) available upon customer request |
| Customization Service | Inhibitor (TBC) dosage adjustable (10-50 ppm) as required; Custom specifications such as high purity, low polymer available |
| Minimum Order Quantity | Bulk: 20 tons (1 tank truck/ISO tank)Drum: 1 container (approx. 80 drums/14.8 tons)Small batch trial order negotiable |
| Delivery Time | Regular products: 7-15 working days; Customized products: 15-25 working days |
| Payment Terms | T/T, L/C at sight |
