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This compound is a highly flammable, colorless organic liquid with a gasoline-like odor. It is primarily used as an intermediate in the production of styrene, which is the precursor to polystyrene and other common plastics.
intermediate for styrene productionprecursor for polystyrene manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Safety Reference
Flammable
Harmful
Health Hazard
Environmental Hazard
Danger
H225Highly flammable liquid and vapour
Customs Tariff Classification
The international HS code for Phenylethane (CAS 100-41-4) is 2902.60.
HS code (international, 6-digit)
2902.60
EU CN code (8-digit)
2902 60 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
ethylbenzene
InChIKey
YNQLUTRBYVCPMQ-UHFFFAOYSA-N
SMILES
CCC1=CC=CC=C1
Synonyms (28)
PYJ
Ethylbenzene, United States Pharmacopeia (USP)
1-ethylbenzene
1-phenylethane
Aethylbenzol
Aethylbenzol [German]
Benzene, ethyl-
Ethyl benzene
Ethylbenzeen
Ethylbenzeen [Dutch]
Ethylbenzene Standard
Ethylbenzene, anhydrous
Ethylbenzol
Ethylenzene
Etilbenzene
Etilbenzene [Italian]
Etylobenzen
Etylobenzen [Polish]
Phenylethane
QSPL 092
alpha-Methyltoluene
etph
H304
May be fatal if swallowed and enters airways
H332Harmful if inhaled
H373May cause damage to organs through prolonged or repeated exposure
H320Causes eye irritation
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects