C8H3N3O2
173.13 g/mol
Pharmaceutical IntermediateWarning
4-Nitrophthalonitrile
CAS31643-49-9EC250-748-9
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
4-Nitrophthalonitrile is an organic compound featuring both nitro and nitrile functional groups. Its primary significance lies in its use as a synthetic building block, particularly in the preparation of phthalocyanines and other specialty chemicals.
Pharmaceutical intermediate for 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
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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 4-Nitrophthalonitrile (CAS 31643-49-9) is 2926.90.
HS code (international, 6-digit)
2926.90
EU CN code (8-digit)
2926 90 70
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
4-nitrobenzene-1,2-dicarbonitrile
InChIKey
NTZMSBAAHBICLE-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1[N+](=O)[O-])C#N)C#N
Synonyms (13)
- 1,2-Dicyano-4-nitrobenzene
- 3,4-Dicyanonitrobenzene
- 4-NITROBENZENE-1,2-DINITRILE
- 4-Nitro-1,2-dicyanobenzene
- 4-Nitro-O-benzenedinitrile
- 4-Nitrophthalonitrile
- Phthalonitrile, 4-nitro-
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