C6H6N2O3
154.12 g/mol
Pharmaceutical IntermediateWarning
4-Amino-3-nitrophenol
CAS610-81-1EC210-236-8
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate
4-Amino-3-nitrophenol is an aromatic compound featuring both an amino and a nitro substituent on a phenol ring. It is commonly employed as a pharmaceutical intermediate in the synthesis of various active ingredients.
pharmaceutical intermediate
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
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Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-Amino-3-nitrophenol (CAS 610-81-1) 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
4-amino-3-nitrophenol
InChIKey
IQXUIDYRTHQTET-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1O)[N+](=O)[O-])N
Synonyms (11)
- 2-Nitro-4-hydroxyaniline
- 2-amino-5-hydroxynitrobenzene
- 3-Nitro-4-aminophenol
- 4-Amino-3-nitrophenol
- 4-Hydroxy-2-nitroaniline
- 4-amino-3-nitropbenol
- Esomeprazole Impurity 11
- Phenol, 4-amino-3-nitro-
- aniline, 4-hydroxy-2-nitro-
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