C6H4ClNO2
157.55 g/mol
Industrial ChemicalDanger
2-Chloronitrobenzene
CAS88-73-3EC201-854-9
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
chemical intermediate for dyes and pesticides
2-Chloronitrobenzene is an organic compound with a nitro group and a chlorine atom attached to a benzene ring. It is primarily used as a chemical intermediate in the production of dyes and pesticides.
chemical intermediate for dyeschemical intermediate for pesticides
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 88-73-3
Related Compounds
ApplicationSame Use
2,4-xylidine
CAS95-68-1
chemical intermediate for dyes and pesticides
ReferenceSame Category
2-nitrophenol
CAS88-75-5
Intermediate for dyes, fungicides, and rubber chemicals
ReferenceSame Category
Phthaloyl chloride
CAS88-95-9
Chemical intermediate for synthesis
ReferenceSame Category
2-methyl-1-nitronaphthalene
CAS881-03-8
research intermediate
ReferenceSame Category
2-(3-Chloropropyl)-2,5,5-trimethyl-1,3-dioxane
CAS88128-57-8
chemical intermediate for synthesis
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
H350May cause cancer
H372Causes damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
H320Causes eye irritation
H332Harmful if inhaled
H341Suspected of causing genetic defects
H361Suspected of damaging fertility or the unborn child
H371May cause damage to organs
Customs Tariff Classification
The international HS code for 2-Chloronitrobenzene (CAS 88-73-3) 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-2-nitrobenzene
InChIKey
BFCFYVKQTRLZHA-UHFFFAOYSA-N
SMILES
C1=CC=C(C(=C1)[N+](=O)[O-])Cl
Synonyms (33)
- 2-CNB
- ONCB
- 1-CHLORO-2-NITROBENZENE
- 1-Chloronitrobenzene
- 1-Nitro-2-chlorobenzene
- 2-Chloro-1-nitrobenzene
- 2-Chloronitrobenzene
- 2-Nitro-1-chlorobenzene
- 2-Nitrochlorobenzene
- 4-chloro-3-nitrobenzene
- Altitran
- Benzene, 1-chloro-2-nitro-
- Benzene, chloronitro-
- CHLORO-2-NITROBENZENE, 1-
- Chloro-o-nitrobenzene
- Chloronitrobenzene
- Mononitrochlorobenzene
- Nitrochlorobenzene
- Nitrochlorobenzene, liquid
- Nitrochlorobenzene, o-
- Nitrochlorobenzene, ortho
- o-Chloronitrobenzene
- o-Nitrochlorobenzene
- ortho-chloronitrobenzene
- ortho-nitrochlorobenzene