C8H10
106.16 g/mol
Industrial ChemicalDanger
Phenylethane
CAS100-41-4EC202-849-4
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
intermediate for styrene production
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 100-41-4
Related Compounds
ReferenceSame Category
Styrene
CAS100-42-5
Production of polystyrene plastics and resins
ReferenceSame Category
4-vinylpyridine
CAS100-43-6
monomer for polymer synthesis
ReferenceSame Category
Cyclohexanemethanol
CAS100-49-2
organic synthesis intermediate
ReferenceSame Category
4-formylcyclohexene
CAS100-50-5
Chemical intermediate for epoxides and resins
Safety Reference
Danger
H225Highly flammable liquid and vapour
H304May 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
H303May be harmful if swallowed
H316Causes mild skin irritation
H371May cause damage to organs
H315Causes skin irritation
H319Causes serious eye irritation
H401Toxic to aquatic life
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