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Home/Compounds/Dye & Pigment/Naphthionic acid
C10H9NO3S
223.25 g/mol
Dye & PigmentDanger

Naphthionic acid

CAS84-86-6EC201-567-9
Category
Dye & Pigment
Compound Class
Organic Acid
Primary Use
Naphthalene sulfonic acid dye intermediate

Naphthionic acid is an aminonaphthalenesulfonic acid used as a dye intermediate, particularly in the synthesis of naphthalene sulfonic acid-based dyes.

Naphthalene sulfonic acid 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

SimilarStructure SimilarSimilarity 0.78

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Naphthalene sulfonic acid dye intermediate

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7-(Acetylamino)-4-hydroxy-2-naphthalenesulfonic acid

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Naphthalene sulfonic acid dye intermediate

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4-hydroxy-1-naphthalenesulfonic acid

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dye intermediate

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naphthalene sulfonic acid dye intermediate

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5-amino-6-chloro-O-cresol

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Hair dye ingredient

Safety Reference

Corrosive
Corrosive
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
Identifiers
IUPAC Name

4-aminonaphthalene-1-sulfonic acid

InChIKey

NRZRRZAVMCAKEP-UHFFFAOYSA-N

SMILES

C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)N

Synonyms (33)
  • 1,4-Naphthionic acid
  • 1-Amino-4-sulfonaphthalene
  • 1-Naphthylamin-4-sulfonsaeure
  • Kyselina nafthionova
  • Kyselina nafthionova [Czech]
  • Naphthionic acid
  • Naphthionsaeure
  • Piria's acid
  • Piria-Saeure
  • Sulfonaphtin
  • USAF M-5
  • naphthionsaure