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What is the CAS number of 100 42 5?

Nov 20, 2025 Leave a message

What is the CAS number of 100 42 5?

The CAS number 100-42-5 is Styrene, a chemical compound also known as vinylbenzene or phenylethylene. Styrene (CAS 100-42-5) is an organic compound with the chemical formula C6H5CH=CH2. Its structure consists of a vinyl group as substituent on benzene. It is a colorless, oily liquid, although aged samples can appear yellowish. Styrene Monomer is widely used in the manufacture of resins, plastics, and latices/emulsion polymers by both batch and continuous mass polymerization; by solution, suspension, and emulsion processes.

 

What Are The Properties Of CAS number 100 42 5?

 

Appearance

Colorless to yellowish light oily liquid

Boiling Point, °C

145

Density, g/cm3

0.910 - 0.911

Flash Point, °C

31

Melting point, °C

-31

Molecular weight, g/mol

104.15

Odor

Aromatic odor

Purity, %

99.90

Refractive index, n20/D

1.5469

 

Factory Supply Styrene

 

What is (CAS number 100-42-5) Styrene Used for?

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)

 

where to buy Styrene CAS 100-42-5 ?

Gneebio is a leading supplier of Styrene Monomer Liquid. We guarantee consistent quality, competitive pricing, and reliable global shipping to keep your operations running smoothly. For a tailored quote and product specifications, contact us today to discuss your requirements.

 

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about us

Henan Gneebio was established in 2016, adhering to thecorporate philosophy of "global chemical raw material supplier" and focusing on high-quality chemical industries. The company primarily deals chemical raw materials, such as dichloromethane; methyl sulfoxide DMSO (industrial and pharmaceutical grade); ethylene glycol (MEG); p-Xylene, etc.

All our chemical productshave obtained international certifications including REACH, ISO, FMQS, HALAL, andHalal certification, ensuring quality and global recognition, We have warehouses in coreports such as Qingdao, Tianiin, and Shanghai, with a 15-day express delivery service.

 

Packaging 

 

Package

Quantity/20'FCL

160KGS Drum

12.8MTS

800KGS IBC Drum

16MTS

IOS Tank

18.5MTS

 

styrene monomer price

 

Organic Liquid Styrene Monomer

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