C7H4ClNO
153.56 g/mol
Pharmaceutical IntermediateDanger
Chlorophenyl isocyanate
CAS3320-83-0EC222-023-7
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
Chlorophenyl isocyanate is a chemical compound featuring an isocyanate group attached to a chlorinated aromatic ring. It is primarily used as a pharmaceutical intermediate in the synthesis of various organic compounds.
Pharmaceutical intermediate for chemical synthesis
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
6-Chloronicotinonitrile
CAS33252-28-7
pharmaceutical intermediate
ReferenceSame Category
2-Chloro-4-cyanopyridine
CAS33252-30-1
pharmaceutical intermediate
ReferenceSame Category
2-Amino-4-ethylpyridine
CAS33252-32-3
pharmaceutical intermediate
ReferenceSame Category
2-Methoxy-5-methyl-3-nitropyridine
CAS33252-62-9
pharmaceutical intermediate
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage
H330Fatal if inhaled
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Chlorophenyl isocyanate (CAS 3320-83-0) is 2929.10.
HS code (international, 6-digit)
2929.10
EU CN code (8-digit)
2929 10 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-isocyanatobenzene
InChIKey
NOHQUGRVHSJYMR-UHFFFAOYSA-N
SMILES
C1=CC=C(C(=C1)N=C=O)Cl
Synonyms (12)
- 1-Chloro-2-isocyanatobenzene
- 2-Chlorophenyl isocyanate
- 2-chiorophenyl isocyanate
- 2-chloro-1-isocyanatobenzene
- 2-chlorobenzenisocyanate
- Benzene, chloroisocyanato-
- Chloroisocyanatobenzene
- Chlorophenyl isocyanate
- o-Chlorophenyl isocyanate
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