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Home/Compounds/Dye & Pigment/7-(Acetylamino)-4-hydroxy-2-naphthalenesulfonic acid
C12H11NO5S
281.29 g/mol
Dye & Pigment

2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid

CAS6334-97-0EC228-715-5
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Naphthalene sulfonic acid dye intermediate

2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid is a sulfonic acid derivative of naphthalene used as a dye intermediate. It is characterized by an acetamido group and a hydroxyl group on the naphthalene ring system.

dye intermediatenaphthalene sulfonic acid intermediate

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 0.78

AMI-1

CAS134-47-4

intermediate for dyes and pigments

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Naphthionic acid

CAS84-86-6

Naphthalene sulfonic acid dye intermediate

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6-(4-Carboxyanilino)-4-hydroxy-2-naphthalenesulfonic acid

CAS5855-84-5

Naphthalene sulfonic acid dye intermediate

ReferenceSame Category

2-Amino-4-chloro-5-nitrophenol

CAS6358-07-2

dye intermediate

ReferenceSame Category

2-amino-4-chloro-6-nitrophenol

CAS6358-08-3

dye intermediate

ReferenceSame Category

2-amino-6-chloro-4-nitrophenol

CAS6358-09-4

Hair dye ingredient

ReferenceSame Category

Pigment violet 23

CAS6358-30-1

Dioxazine violet pigment

Customs Tariff Classification

The international HS code for 2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid (CAS 6334-97-0) 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-acetamido-4-hydroxynaphthalene-2-sulfonic acid

InChIKey

KKAMNIDZQVXDJV-UHFFFAOYSA-N

SMILES

CC(=O)NC1=CC2=CC(=CC(=C2C=C1)O)S(=O)(=O)O

Synonyms (11)

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