C17H13NO5S
343.4 g/mol
Dye & PigmentWarning
2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-
CAS132-87-6EC205-080-2
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
intermediate for azo dyes
This compound is a chemical compound primarily used as an intermediate in the production of azo dyes. It features an aromatic amide structure and a sulfonic acid group, contributing to its role in dye synthesis.
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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purple pigment for coloring
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy- (CAS 132-87-6) is 2924.29.
HS code (international, 6-digit)
2924.29
EU CN code (8-digit)
2924 29 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
7-benzamido-4-hydroxynaphthalene-2-sulfonic acid
InChIKey
ZLHGMJOGMLVDFS-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)C(=O)NC2=CC3=CC(=CC(=C3C=C2)O)S(=O)(=O)O
Synonyms (6)
- A1CFH
- Benzoyl J acid
Sourcing 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-?
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