C6H3ClFNO2
175.54 g/mol
Pharmaceutical IntermediateWarning
1-Chloro-2-fluoro-4-nitrobenzene
CAS350-31-2EC206-500-7
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
1-Chloro-2-fluoro-4-nitrobenzene is a chemical compound used as a pharmaceutical intermediate. It is a substituted benzene derivative containing chlorine, fluorine, and a nitro group.
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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Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 1-Chloro-2-fluoro-4-nitrobenzene (CAS 350-31-2) 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-fluoro-4-nitrobenzene
InChIKey
CSSSAKOGRYYMSA-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1[N+](=O)[O-])F)Cl
Synonyms (5)
- 3-Fluoro-4-chloronitrobenzene
- 4-Chloro-3-fluoronitrobenzene
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