C8H9N
119.16 g/mol
Industrial ChemicalDanger
4-Vinylaniline
CAS1520-21-4EC216-185-8
Category
Industrial Chemical
Compound Class
Amine
Primary Use
monomer for polymer synthesis
4-Vinylaniline is a chemical compound belonging to the styrene family. It is primarily used as a monomer in polymer synthesis.
monomer for polymer synthesis
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.
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Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
H351Suspected of causing cancer
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for 4-Vinylaniline (CAS 1520-21-4) is 2921.49.
HS code (international, 6-digit)
2921.49
EU CN code (8-digit)
2921 49 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
4-ethenylaniline
InChIKey
LBSXSAXOLABXMF-UHFFFAOYSA-N
SMILES
C=CC1=CC=C(C=C1)N
Synonyms (14)
- 1-(p-Aminophenyl)ethene
- 4-Aminostyrene
- 4-Vinylanilin
- 4-Vinylaniline
- 4-ethenylaniline
- 4-vinylphenylamine
- Aniline, p-vinyl-
- Benzenamine, 4-ethenyl-
- p-Aminostyrene
- para-aminostyrene
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