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.
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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AMI-1
intermediate for dyes and pigments
4-Hydroxy-6-methylamino-2-naphthalene sulfonic acid
Naphthalene sulfonic acid dye intermediate
Naphthionic acid
Naphthalene sulfonic acid dye intermediate
6-(4-Carboxyanilino)-4-hydroxy-2-naphthalenesulfonic acid
Naphthalene sulfonic acid dye intermediate
2-Amino-4-chloro-5-nitrophenol
dye intermediate
2-amino-4-chloro-6-nitrophenol
dye intermediate
2-amino-6-chloro-4-nitrophenol
Hair dye ingredient
Pigment violet 23
Dioxazine violet pigment
The international HS code for 2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid (CAS 6334-97-0) is 2924.29.
2924.29
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.
7-acetamido-4-hydroxynaphthalene-2-sulfonic acid
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Sourcing 2-Acetamido-5-hydroxy-7-naphthalenesulfonic acid?
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