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Home/Compounds/Dye & Pigment/1-naphthylamine-6-sulfonic acid
C10H9NO3S
223.25 g/mol
Dye & PigmentWarning

5-Amino-2-naphthalenesulfonic acid

CAS119-79-9EC204-351-2
Category
Dye & Pigment
Compound Class
Amine
Primary Use
dye intermediate

5-Amino-2-naphthalenesulfonic acid is an aminonaphthalenesulfonic acid derivative containing both amine and sulfonic acid functional groups. It is primarily used as a dye intermediate in industrial manufacturing.

dye 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

StrongSame Parent

1-Aminonaphthalene-6-sulfonic acid

CAS51548-48-2

Intermediate for azo dyes

SimilarStructure SimilarSimilarity 0.75

1,7-cleve'S acid

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Azo dye intermediate

ReferenceSame Category

Dianisidine

CAS119-90-4

Intermediate for dyes and pigments

ReferenceSame Category

3-amino-4-methoxybenzanilide

CAS120-35-4

Pigment intermediate

ReferenceSame Category

P-cresidine

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Chemical intermediate for dyes

ReferenceSame Category

Chromium hydroxide green

CAS12001-99-9

green pigment for foods and cosmetics

Safety Reference

Harmful
Harmful
Environmental Hazard
Environmental Hazard
Warning
H412Harmful to aquatic life with long lasting effects
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name

5-aminonaphthalene-2-sulfonic acid

InChIKey

UWPJYQYRSWYIGZ-UHFFFAOYSA-N

SMILES

C1=CC2=C(C=CC(=C2)S(=O)(=O)O)C(=C1)N

Synonyms (26)
  • 1,6-Cleve's acid
  • 1-Amino-6-sulfonaphthalene
  • 1-amino-6-sulphonaphtalene
  • 6-sulfo-1-naphthylamine
  • Cleve's acid-1,6
  • Cleve's beta-acid
  • Clevesaure
  • Kyselina cleve
  • Kyselina cleve [Czech]