Styrene monomer (often abbreviated to SM) is a fundamental building block in the petrochemical industry. It is a colourless to yellowish, oily liquid with a sweet, floral odour at low concentrations. Its primary importance lies in its ability to readily undergo polymerisation, making it the essential precursor to a vast array of plastics and synthetic rubbers.
Properties of Styrene Monomer (SM)
● CAS Number: 100-42-5
● Molecular Formula: C₈H₈
● Melting Point: -31 °C
● Freezing Point: -30.6℃
● Flash point: 88 °F
● Density: 0.9060 g/cm³ @ Temp: 20 °C
● Boiling Point145 °C
Styrene Monomer (SM) Physical Characteristics
● Appearance: Clear, colorless, or slightly yellow liquid.
● Odor: A distinctive smell of sweet, aromatic most often associated with chloroform or new car smell.
● Solubility: Water insoluble; soluble in organic solvents (alcohol, ether and benzene)
● Viscosity: Very low viscosity, owing to which it flows well in industrial applications.
● Stability: generally stable under normal conditions but can be made reactive with strong oxidizing agents.
● Volatility: Due to its low boiling point.
● Physical State: At room temperature it exist in form of liquid.
Styrene Monomer (SM) For Plastic & Rubber Industry
Polystyrene (PS): The main use, producing a common plastic for food containers, cutlery, and insulation.
Synthetic Rubber: A key ingredient in Styrene-Butadiene Rubber (SBR), essential for tire manufacturing.
Copolymers: Combined with other chemicals to create stronger plastics like:
ABS: Durable plastic for car parts, electronics, and appliances.
SAN: Clear, rigid plastic for housewares.
Other Products: Styrene Monomer (SM) is used in foam plastics (EPS), plastic additives, paints, and adhesives.
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Gneebio is a professional chemical raw materials supplier located in Henan Province, China. We have passed quality system certification and have self-managed import and export rights. Our products are popular with customers. As a leading global supplier, we deliver certified chemical raw materials that comply with REACH, RoHS, ISO and other international standards. Our robust monthly production capacity ensures consistent quality and a reliable supply for bulk orders.
