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Home/Compounds/Pharmaceutical Intermediate/4-ethylaniline
C8H11N
121.18 g/mol
Pharmaceutical IntermediateDanger

4-ETHYLANILINE

CAS589-16-2EC209-637-0
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate

4-Ethylaniline is an organic compound used as a pharmaceutical intermediate. It features an aniline structure substituted with an ethyl group, serving as a building block in the synthesis of various pharmaceutical compounds.

pharmaceutical intermediatebuilding block for chemical 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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Related Compounds

ReferenceSame Category

Terephthalyl alcohol

CAS589-29-7

pharmaceutical intermediate

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2,5-lutidine

CAS589-93-5

pharmaceutical intermediate

ReferenceSame Category

2-methyl-3-sulfanyl-1,2-dihydro-1,2,4-triazine-5,6-dione

CAS58909-39-0

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ReferenceSame Category

N-[(Phenylmethoxy)carbonyl]-L-glutamic acid tert-butyl ester

CAS5891-45-2

pharmaceutical intermediate

Referencestereoisomer of

4-ETHYLANILINE-D11

CAS1219802-96-6

research compound

Safety Reference

Toxic
Toxic
Health Hazard
Health Hazard
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
H373May cause damage to organs through prolonged or repeated exposure

Customs Tariff Classification

The international HS code for 4-ETHYLANILINE (CAS 589-16-2) 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-ethylaniline

InChIKey

HRXZRAXKKNUKRF-UHFFFAOYSA-N

SMILES

CCC1=CC=C(C=C1)N

Synonyms (14)
  • 1-Amino-4-ethylbenzene
  • 4-Aminoethylbenzene
  • 4-ETHYLANILINE
  • 4-Ethylphenylamine
  • 4-ethylanilin
  • 4-ethylbenzenamine
  • Aniline, 4-ethyl-
  • Aniline, p-ethyl-
  • Benzenamine, 4-ethyl-
  • ETHYL ANILINE, P-
  • p-Aminoethylbenzene
  • p-Ethylaminobenzene
  • p-Ethylaniline
  • para-Ethylaniline

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