C6H4ClNO2
157.55 g/mol
Dye & PigmentDanger
1-Chloro-3-nitrobenzene
CAS121-73-3EC204-496-1
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
chemical intermediate for dyes
1-Chloro-3-nitrobenzene is a chemical compound primarily used as an intermediate in the production of dyes. It is classified by the International Agency for Research on Cancer (IARC) in Group 3, indicating that it is not classifiable as to its carcinogenicity to humans due to inadequate evidence.
chemical intermediate for dyes
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
ApplicationSame Use
Sodium sulfanilate
CAS515-74-2
chemical intermediate for dyes
ReferenceSame Category
2-Chloro-4-nitroaniline
CAS121-87-9
Intermediate in manufacture of dyes
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
Safety Reference
Danger
H301Toxic if swallowed
H302Harmful if swallowed
H311Toxic in contact with skin
H317May cause an allergic skin reaction
H331Toxic if inhaled
H351Suspected of causing cancer
H372Causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 1-Chloro-3-nitrobenzene (CAS 121-73-3) is 2904.99.
HS code (international, 6-digit)
2904.99
EU CN code (8-digit)
2904 99 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
1-chloro-3-nitrobenzene
InChIKey
KMAQZIILEGKYQZ-UHFFFAOYSA-N
SMILES
C1=CC(=CC(=C1)Cl)[N+](=O)[O-]
Synonyms (17)
- 1-Chloro-3-nitrobenzene
- 1-Chloro-3-nitrobenzene[HSDB]
- 1-Nitro-3-chlorobenzene
- 3-Chloro-1-nitrobenzene
- 3-Chloronitrobenzene
- 3-Nitrochlorobenzene
- BENZENE, 1-CHLORO-3-NITRO-
- CHLORO-3-NITROBENZENE, 1-
- Chloro-m-nitrobenzene
- Metachloronitrobenzene
- Nitrobenzene, 3-chloro-
- Nitrochlorobenzene, meta-
- m-Chloronitrobenzene
- m-Nitrochlorobenzene
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