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Home/Compounds/Dye & Pigment/P-aminoazobenzene
C12H11N3
197.24 g/mol
Dye & PigmentDanger

4-Aminoazobenzene

CAS60-09-3EC200-453-6
Category
Dye & Pigment
Compound Class
Amine
Primary Use
yellow azo dye

Aniline Yellow is a yellow azo dye and an aromatic amine, appearing as an orange powder. It is a derivative of azobenzene and is primarily used as a dye and pigment.

dye and pigment

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 60-09-3

Related Compounds

ReferenceSame Category

P-dimethylaminoazobenzene

CAS60-11-7

dye for wax products and pH indicator

ReferenceSame Category

1,2-dimethoxyanthracene-9,10-dione

CAS6003-12-9

anthraquinone dye intermediate

ReferenceSame Category

2-nitroresorcinol

CAS601-89-8

dye intermediate for textile applications

ReferenceSame Category

Acid Brown 355

CAS60181-77-3

acid dye for textiles

Referencesame scaffold

Chrysoidine hydrochloride

CAS532-82-1

Basic dye for textiles

Referencesame scaffold

Balsalazide

CAS80573-04-2

pharmaceutical raw material

Referencesame scaffold

(E)-1,2-Bis(4-bromo-2-methoxyphenyl)diazene

CAS2987179-64-4

research compound

Safety Reference

Toxic
Toxic
Harmful
Harmful
Health Hazard
Health Hazard
Environmental Hazard
Environmental Hazard
Danger
H350May cause cancer
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H301Toxic if swallowed
H317May cause an allergic skin reaction
H302Harmful if swallowed
H341Suspected of causing genetic defects
H351Suspected of causing cancer
H371May cause damage to organs
H373May cause damage to organs through prolonged or repeated exposure
Regulatory Compliance2
  • EU REACH SVHCEURegulation
    Listed· listed since 2012-12-19Source
  • California Proposition 65USRegulation
    Listed· listed since 1990-01-01Source

Customs Tariff Classification

The international HS code for 4-Aminoazobenzene (CAS 60-09-3) is 3204.19.

HS code (international, 6-digit)

3204.19

EU CN code (8-digit)

3204 19 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-phenyldiazenylaniline

InChIKey

QPQKUYVSJWQSDY-UHFFFAOYSA-N

SMILES

C1=CC=C(C=C1)N=NC2=CC=C(C=C2)N

Synonyms (69)
  • 4-AAB
  • AAB
  • (E)-4-(phenyldiazenyl)aniline
  • 4-(Phenylazo)aniline
  • 4-(Phenylazo)benzenamine
  • 4-(phenyldiazenyl)aniline
  • 4-(phenyldiazenyl)phenylamine
  • 4-Amino-1,1'-azobenzene
  • 4-Aminoazobenzene
  • 4-Aminoazobenzene; Azo
  • 4-Aminoazobenzol
  • 4-Benzeneazoaniline
  • 4-Phenylazo-phenylamine
  • 4-[(E)-Phenyldiazenyl]aniline
  • 4-[(E)-phenylazo]aniline
  • AC-907/25014309
  • AE-848/00954057
  • AMINOAZOBENZENE, 4-
  • ANILINE YELLOW
  • Aminoazobenzene
  • Aminoazobenzene (indicator)
  • Aniline Yellow (VAN)
  • Aniline, p-(phenylazo)-
  • Azobenzene, 4-amino-
  • Benzenamine, 4-(phenylazo)-
  • C.I. 11000
  • C.I. Solvent Blue 7
  • C.I. Solvent Yellow 1
  • Cellitazol R
  • Ceres Yellow R
  • Fat Yellow AAB
  • Induline R
  • Organol Yellow
  • Organol Yellow 2A
  • Paraphenolazo aniline
  • Solvent Yellow
  • Solvent Yellow 1
  • Somalia Yellow 2G
  • Stearix Brown 4R
  • Sudan Yellow R
  • Sudan Yellow RA
  • Usaf ek-1375
  • Zlut anilinova
  • Zlut anilinova [Czech]
  • Zlut rozpoustedlova 1
  • Zlut rozpoustedlova 1 [Czech]
  • p-(Phenolazo)aniline
  • p-(Phenylazo)aniline
  • p-AAZB
  • p-Amimoazobenzene
  • p-Aminoazaobenzene
  • p-Aminoazobenzene
  • p-Aminoazobenzol
  • p-Aminodiphenyldiimide
  • p-Aminodiphenylimide
  • p-Phenylazonaniline
  • p-Phenylazophenylamine
  • p-[(E)-phenylazo]aniline
  • para-Aminoazobenzene