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Home/Compounds/Dye & Pigment/1-Naphthol-5-sulfonic acid
C10H8O4S
224.23 g/mol
Dye & Pigment

1-Naphthalenesulfonic acid, 5-hydroxy-

CAS117-59-9EC204-199-7
Category
Dye & Pigment
Compound Class
Organic Acid
Primary Use
Dye intermediate for azo dyes

1-Naphthalenesulfonic acid, 5-hydroxy- is a chemical compound used as a dye intermediate in the production of azo dyes. It is a key building block for synthesizing colorants such as Acid Red 88, which is applied to dye cotton textiles red.

Dye intermediate for azo dyesSynthesis of Acid Red 88 for textile dyeing

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

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intermediate for dyes and pigments

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1,5-naphthalenedisulfonic acid

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4-hydroxy-1-naphthalenesulfonic acid

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dye intermediate

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2-naphthol-6,8-disulfonic acid

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Dye intermediate for azo dyes

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Benzidine-2,2'-disulfonic acid

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Metanilic acid

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Dye intermediate for azo dyes

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4-(4-Aminoanilino)-3-nitrobenzenesulphonic acid

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Dye intermediate for azo dyes

ReferenceSame Category

2-amino-1,5-naphthalenedisulfonic acid

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Dye intermediate

Identifiers
IUPAC Name

5-hydroxynaphthalene-1-sulfonic acid

InChIKey

YLKCHWCYYNKADS-UHFFFAOYSA-N

SMILES

C1=CC2=C(C=CC=C2S(=O)(=O)O)C(=C1)O

Synonyms (7)
  • 1-Naphthol-5-sulfonic acid
  • Ferrous Succinate Impurity 1