C6H5ClN2O2
172.57 g/mol
Dye & PigmentWarning
2-Chloro-4-nitroaniline
CAS121-87-9EC204-502-2
Category
Dye & Pigment
Compound Class
Amine
Primary Use
Intermediate in manufacture of dyes
2-Chloro-4-nitroaniline is an organic compound used as an intermediate in the manufacture of dyes. It is a derivative of aniline containing both a chlorine atom and a nitro group on the benzene ring.
intermediate in dye manufacture
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
2-amino-5-nitrophenol
CAS121-88-0
hair dye intermediate
ReferenceSame Category
M-nitroacetophenone
CAS121-89-1
intermediate for dyes and organic compounds
ReferenceSame Category
3-nitrobenzoic acid
CAS121-92-6
dye intermediate
ReferenceSame Category
P-aminoacetanilide
CAS122-80-5
Azo dye intermediate
Safety Reference
Warning
H302Harmful if swallowed
H411Toxic to aquatic life with long lasting effects
H312Harmful in contact with skin
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 2-Chloro-4-nitroaniline (CAS 121-87-9) is 2921.42.
HS code (international, 6-digit)
2921.42
EU CN code (8-digit)
2921 42 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
2-chloro-4-nitroaniline
InChIKey
LOCWBQIWHWIRGN-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1[N+](=O)[O-])Cl)N
Synonyms (15)
- 2-Chloro-4-nitroaniline
- 2-Chloro-4-nitrobenzenamine
- 2-chlor-4-nitroanilin
- 2-chloro-4-nitrophenylamine
- 4-AMINO-3-CHLORONITROBENZENE
- 4-Nitro-2-chloroaniline
- Aniline, 2-chloro-4-nitro-
- CHLORO-4-NITROANILINE, 2-
- Ocpna
- o-Chloro-p-nitroaniline
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