Styrene Monomer (SM)

Styrene Monomer (SM)

Styrene Monomer (SM) is an organic petrochemical compound used primarily as a raw material for producing a wide range of plastics and synthetic rubbers. It is a key building block for polymer industries and is valued for its high reactivity and excellent performance characteristics in polymerization processes. Major downstream products include polystyrene, ABS, SBR, and unsaturated polyester resins.

Product Specifications

• Chemical Name: Styrene Monomer

• CAS Number: 100-42-5

• Molecular Formula: C8H8

• Molecular Weight: 104.15 g/mol

• Appearance: Clear, colorless to slightly yellow liquid

• Purity: ≥ 99.5%

• Boiling Point: 145 °C

• Density: ~0.909 g/cm³

• Stabilizer: Contains inhibitor (typically 10–15 ppm TBC)

• Packing: Bulk / ISO tanks / drums

Applications

• Production of polystyrene (GPPS, HIPS)

• ABS and SAN resin manufacturing

• SBR and synthetic rubber production

• Unsaturated polyester resins (UPR)

• Latex and adhesives

• Specialty copolymer production

Key Advantages

• High purity and stability with inhibitor

• Excellent polymerization characteristics

• Versatile in plastic and rubber applications

Safety & Handling

Styrene Monomer is flammable and may cause irritation and central nervous system effects. Handle with proper ventilation and PPE. Avoid heat, sparks, and open flames. Refer to the MSDS/SDS before use.

Storage

Store in tightly closed containers below 30 °C, away from sunlight and ignition sources. Maintain inhibitor levels to prevent self-polymerization.