C6H5Cl2NO
178.01 g/mol
Pharmaceutical IntermediateWarning
4-amino-2,3-dichlorophenol
CAS39183-17-0EC464-070-8
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
4-Amino-2,3-dichlorophenol is a chemical compound used as a pharmaceutical intermediate. It contains an amine group, a hydroxyl group, and two chlorine atoms on an aromatic ring, giving it moderate polarity and a slightly hydrophobic character.
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
ReferenceSame Category
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ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
2-Chloro-3,5-dinitrobenzotrifluoride
CAS392-95-0
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H317May cause an allergic skin reaction
H341Suspected of causing genetic defects
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4-amino-2,3-dichlorophenol (CAS 39183-17-0) 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-2,3-dichlorophenol
InChIKey
OQHWFUQNSLMSBG-UHFFFAOYSA-N
SMILES
C1=CC(=C(C(=C1N)Cl)Cl)O
Synonyms (5)
- 2,3-dichloro-4-hydroxyaniline
- 4-Amino-2,3-dichlorphenol
- 4-amino-2,3-dichlorophenol
- 4-hydroxy-2,3-dichloroaniline
- 5,6-Dichlor-4-aminophenol
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