C12H9ClN2O2
248.66 g/mol
Dye & PigmentWarning
5-Chloro-2-nitrodiphenylamine
CAS25781-92-4EC247-261-9
Category
Dye & Pigment
Compound Class
Amine
Primary Use
disperse dye
5-Chloro-2-nitrodiphenylamine is a disperse dye used primarily for coloring polyamide and vinegar fibers. It is produced through the condensation of aniline and 1,4-dichloro-2-nitrobenzene.
dyeing polyamide fibersdyeing vinegar fibers
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
Acid Blue 277
CAS25797-81-3
acid dye for textiles
ReferenceSame Category
Reactive blue 19
CAS2580-78-1
Dye for cellulosic fibers
ReferenceSame Category
Ferric ammonium ferrocyanide
CAS25869-00-5
Blue pigment for plastics
ReferenceSame Category
2-nitrobenzenediazonium
CAS25910-37-6
diazonium dye intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 5-Chloro-2-nitrodiphenylamine (CAS 25781-92-4) is 2921.44.
HS code (international, 6-digit)
2921.44
EU CN code (8-digit)
2921 44 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
5-chloro-2-nitro-N-phenylaniline
InChIKey
FPKHZBVGKMTUHB-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)NC2=C(C=CC(=C2)Cl)[N+](=O)[O-]
Synonyms (8)
- 2-Nitro-5-chlorodiphenylamine
- 5-Chloro-2-nitrodiphenylamine
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