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

5-Amino-2-naphthalenesulfonic acid

CAS51548-48-2EC204-351-2
Category
Dye & Pigment
Compound Class
Amine
Primary Use
Intermediate for azo dyes

5-Amino-2-naphthalenesulfonic acid is an organic compound containing both an amine and a sulfonic acid group on a naphthalene ring. It is primarily used as an intermediate in the production of azo dyes.

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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Related Compounds

StrongSame Parent

1-naphthylamine-6-sulfonic acid

CAS119-79-9

dye intermediate

SimilarStructure SimilarSimilarity 0.75

1,7-cleve'S acid

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Azo dye intermediate

ApplicationSame Use

2,5-diaminobenzenesulfonic acid

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Intermediate for azo dyes

ApplicationSame Use

(E)-4,4'-dinitro-2,2'-stilbenesulfonic acid

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Intermediate for azo dyes

ApplicationSame Use

2-(4-Aminophenyl)-6-methyl-1,3-benzothiazole-7-sulfonic acid

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Intermediate for azo dyes

ReferenceSame Category

Iron(II) oxalate

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pigment for plastics and paints

ReferenceSame Category

C.I. Pigment Red 53:1, Ba-Salt

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pigment for inks and coatings

ReferenceSame Category

3-Nitrophthalonitrile

CAS51762-67-5

intermediate for phthalocyanine dyes and pigments

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]