Styrene

C₈H₈CAS 100-42-5104.15 g/mol

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Properties

Molecular formula: C₈H₈
Molar mass: 104.15 g/mol
Exact mass: 104.0626 Da
Density: 0.906 g/mL (at 20 °C)
Melting point: −31 °C
Boiling point: 145 °C
Flash point: 31.1 °C (closed cup)
Water solubility: 300 mg/L (25 °C)
logP: 2.33Crippen estimate
Polar surface area: 0.0 Å²
H-bond donors / acceptors: 0 / 0
Rotatable bonds: 1

Hazards

Danger

H226 Flammable liquid and vaporFlammable liquids
H315 Causes skin irritationSkin corrosion/irritation
H319 Causes serious eye irritationSerious eye damage/eye irritation
H332 Harmful if inhaledAcute toxicity, inhalation
H361d Suspected of damaging the unborn childReproductive toxicity
H372 Causes damage to organs through prolonged or repeated exposureSpecific target organ toxicity, repeated exposure

Harmonised EU classification (CLP Annex VI, index 601-026-00-0), via PubChem.

Precautionary statements

P203, P210, P233, P240, P241, P242, P243, P260, P261, P264, P264+P265, P270, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P317, P318, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P235, P405, P501

Identifiers

CAS number

100-42-5

SMILES

C=Cc1ccccc1

InChIKey

PPBRXRYQALVLMV-UHFFFAOYSA-N

InChI

InChI=1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2

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Names and synonyms

22 names · show all

Styrolene
Benzene, ethenyl-
Ethenylbenzene
Cinnamene
Phenethylene
Phenylethene
Phenylethylene
Styrol
Styrole
Vinylbenzene
Vinylbenzol
Styropol SO
NSC 62785
TTB 7302
Maomin SM
S 0095
STC
Styrolution PS 124N
BYX 6
EM 50
M 00247
PS 124N

Reactions

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 100-42-5. Each row opens the sheet with its composition and PDF.

Styrene, stabilized > 95 %Fisher Scientific UK · 2023-09-27

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Work with Styrene

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Polystyrene9003-53-6

Similar compounds

Styrene-butadiene9003-55-883 % similar 4-Ethenyl-1,1′-biphenyl2350-89-270 % similar Allyl alcohol-styrene copolymer25119-62-463 % similar 4-Phenoxystyrene4973-29-961 % similar 4,4′-Diethenyl-1,1′-biphenyl4433-13-058 % similar Acrylonitrile butadiene styrene9003-56-958 % similar 3-Methylstyrene100-80-154 % similar 4-Vinylpyridine100-43-652 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Same formula

Cyclooctatetraene629-20-9 Benzocyclobutene694-87-1

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia