C6H7NO
109.13 g/mol
Dye & PigmentWarning
3-Aminophenol
CAS591-27-5EC209-711-2
Category
Dye & Pigment
Compound Class
Amine
Primary Use
hair dye coupler intermediate
3-Aminophenol is an organic compound that appears as white crystals or off-white flakes. It is primarily used as a dye intermediate, notably in hair dye formulations as a coupler.
hair dye coupler intermediatedye intermediate for industrial manufacturingintermediate in the production of p-aminosalicylic acid
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
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 6'-[ethyl(4-methylphenyl)amino]-3'-methyl-2'-(phenylamino)-
CAS59129-79-2
Dye
ReferenceSame Category
4',5'- dibromofluorescein
CAS596-03-2
colorant in personal care products
ReferenceSame Category
O-cresolphthalein
CAS596-27-0
pH indicator for titrations
ReferenceSame Category
P-aminoazobenzene
CAS60-09-3
yellow azo dye
Safety Reference
Warning
H302Harmful if swallowed
H332Harmful if inhaled
H411Toxic to aquatic life with long lasting effects
H317May cause an allergic skin reaction
H400Very toxic to aquatic life
H371May cause damage to organs
H373May cause damage to organs through prolonged or repeated exposure
H410Very toxic to aquatic life with long lasting effects
H311Toxic in contact with skin
H316Causes mild skin irritation
H319Causes serious eye irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 3-Aminophenol (CAS 591-27-5) is 2922.29.
HS code (international, 6-digit)
2922.29
EU CN code (8-digit)
2922 29 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
3-aminophenol
InChIKey
CWLKGDAVCFYWJK-UHFFFAOYSA-N
SMILES
C1=CC(=CC(=C1)O)N
Synonyms (50)
- A-6901
- Mesalazine EP Impurity B
- Mesalazine Imp. B (EP); m-Aminophenol; 3-Aminophenol; Mesalazine Impurity B
- Sodium aminosalicylate EP Impurity A(Mesalazine EP Impurity B)
- m-Aminophenol, United States Pharmacopeia (USP)
- 1-Amino-3-hydroxybenzene
- 3-Amino-1-hydroxybenzene
- 3-Aminophenol
- 3-Aminophenol(M-Aminophenol)
- 3-Aminophenol, PESTANAL(R)
- 3-Aminophenol, puriss.
- 3-Hydroxyaniline
- 3-azaniumylphenolate
- 3-hydroxybenzenamine
- BASF ursol EG
- C.I. 76545
- C.I. Oxidation Base 7
- COLOREX MAP
- COVASTYLE MAP
- Fouramine EG
- Fourrine 65
- Fourrine EG
- Furro EG
- Futramine EG
- JAROCOL MAP
- M-AMINOPHENOL
- MESALAZINE IMPURITY B
- Nako TEG
- ORISTAR APH3
- Pelagol EG
- Phenol, 3-amino-
- Phenol, m-amino-
- RODOL EG
- Renal EG
- Tertral EG
- Ursol EG
- VU0606052-1
- Zoba EG
- amino-3-hydroxybenzene
- aniline, 3-hydroxy-
- m-Aminofenol
- m-Aminofenol [Czech]
- m-Hydroxyaminobenzene
- m-Hydroxyaniline
- m-Hydroxyphenylamine
- m-aminophenol (M6)
- meta-aminophenol
- phenmedipham TP2
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