Styrene

ethenyl benzene, phenylethylene, styrene monomer, styrol, vinyl benzene

Styrene

Formula: C8H8 | CAS: 100-42-5

Synonyms: ethenyl benzene, phenylethylene, styrene monomer, styrol, vinyl benzene

Styrene is chiefly used in the manufacture of polystyrene, with large quantities used in copolymerisation with for example butadiene and acrylonitrile, to form a number of plastic and rubber materials.

Specification

SpecificationValue/Information
FormulaC8H8
CAS no.100-42-5
Gas Response Factor, 11.7 eV0.50
Gas Response Factor, 10.6 eV0.45
Gas Response Factor, 10.0 eV0.52
ppm per mg/m⁻³, (20 °C, 1 bar)0.215
Molecular Weight, g/mole104.0
Melting point, °C-31
Boiling point, °C145
Flash point, °C31.1
Lower Explosive Limit, %0.9
Density, g.cm⁻³0.909
SpecificationValue/Information
Ionisation Energy, eV8.4
EH40 TWA, ppm100
EH40 TWA, mg.m⁻³430
EH40 STEL, ppm250
EH40 STEL, mg.m⁻³1080
NIOSH ST, ppm50
NIOSH TWA REL, ppm215
NIOSH ST, mg.m⁻³100
NIOSH TWA REL, mg.m⁻³425
NIOSH IDLH, ppm700
OSHA TWA PEL, ppm100