CAS 100-42-5 Styrene monomer (SM) is an industrial chemical made from the elements carbon and hydrogen. It is a colourless, oily liquid with a sweet, floral odour. It is insoluble in water, but soluble in alcohol and other organic solvents. Styrene monomer is also known as ethenylbenzene, and its chemical formula is C8H8.
SM has numerous industrial uses, but is primarily used in the plastics industry.
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Formula: |
C8H8 |
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CAS Number: |
100-42-5 |
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Also Known As: |
Ethenylbenzene; Phenylethene; Vinylbenzene; Cinnamene |
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Applications of Styrene Monomer CAS 100-42-5
Styrene's main use is as a monomer for producing polymeric materials. The most significant products include:
- Polystyrene (PS)
- High Impact Polystyrene (HIPS)
- Expanded Polystyrene (EPS) & Extruded Polystyrene (XPS)
- Acrylonitrile Butadiene Styrene (ABS)
- Styrene-Acrylonitrile (SAN)
Synthetic Rubbers:
- Styrene-Butadiene Rubber (SBR)
- Styrene Butadiene Latex (SBL)
- Unsaturated Polyester Resins (UPR)

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