C14H12N2O8S2
400.4 g/mol
Dye & PigmentWarning
4-Nitro-4'-aminostilbene-2,2'-disulfonic acid
CAS119-72-2EC204-346-5
Category
Dye & Pigment
Compound Class
Organic Acid
Primary Use
stilbene dye intermediate
4-Nitro-4'-aminostilbene-2,2'-disulfonic acid is a stilbene dye intermediate used in the production of dyes and pigments. It features two sulfonic acid groups and an aromatic stilbene backbone, contributing to its utility in industrial dye 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
SimilarStructure SimilarSimilarity 0.83
(E)-4,4'-dinitro-2,2'-stilbenesulfonic acid
CAS128-42-7
Intermediate for azo dyes
ReferenceSame Category
Benzenesulfonic acid, 5-amino-2-[2-[4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-2-sulfophenyl]ethenyl]-
CAS119-74-4
dye intermediate
ReferenceSame Category
1-naphthylamine-6-sulfonic acid
CAS119-79-9
dye intermediate
ReferenceSame Category
Dianisidine
CAS119-90-4
Intermediate for dyes and pigments
ReferenceSame Category
3-amino-4-methoxybenzanilide
CAS120-35-4
Pigment intermediate
Referencesame scaffold
Disodium 4,4'-dinitrostilbene-2,2'-disulfonate
CAS3709-43-1
intermediate for dyes and optical brighteners
Referencesame scaffold
Pinosylvin
CAS22139-77-1
research compound
Referencesame scaffold
4-Dimethylamino-4ʹ-nitrostilbene
CAS2844-15-7
pharmaceutical intermediate
Safety Reference
Warning
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 4-Nitro-4'-aminostilbene-2,2'-disulfonic acid (CAS 119-72-2) is 2921.49.
HS code (international, 6-digit)
2921.49
EU CN code (8-digit)
2921 49 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-amino-2-[(E)-2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic acid
InChIKey
GHBWBMDGBCKAQU-OWOJBTEDSA-N
SMILES
C1=CC(=C(C=C1N)S(=O)(=O)O)/C=C/C2=C(C=C(C=C2)[N+](=O)[O-])S(=O)(=O)O
Synonyms (23)
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