C16H13NO4S
315.3 g/mol
Dye & PigmentWarning
4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid
CAS119-40-4EC204-320-3
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
dye intermediate for azo dyes
4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid is an organic compound used as a dye intermediate in the production of azo dyes. It is characterized by a naphthalene ring system with sulfonic acid, hydroxyl, and phenylamino substituents.
dye intermediate for azo dyes
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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CAS 119-40-4
Related Compounds
StrongStructure SimilarSimilarity 0.85
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ReferenceSame Category
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dye intermediate
Referencesame scaffold
4-Hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid
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Dye intermediate
Safety Reference
Warning
H319Causes serious eye irritation
Identifiers
IUPAC Name
7-anilino-4-hydroxynaphthalene-2-sulfonic acid
InChIKey
YGNDWDUEMICDLW-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)NC2=CC3=CC(=CC(=C3C=C2)O)S(=O)(=O)O
Synonyms (23)
- A1CFI
- N-PHENYL I ACID
- N-PHENYL J ACID
- Phenyl I Acid
- Phenyl J Acid