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Home/Compounds/Dye & Pigment/1-naphthol-4,8-disulfonic acid
C10H8O7S2
304.3 g/mol
Dye & Pigment

1-Naphthol-4,8-disulfonic acid

CAS117-56-6EC204-197-6
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
naphthol disulfonic acid intermediate for dyes

1-Naphthol-4,8-disulfonic acid is a naphthol disulfonic acid compound used as an intermediate in the synthesis of dyes. Its structure features a naphthalene ring with hydroxyl and two sulfonic acid groups, contributing to its reactivity in dye manufacturing.

intermediate for dye synthesis

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

ReferenceSame Category

1-Naphthol-5-sulfonic acid

CAS117-59-9

Dye intermediate for azo dyes

ReferenceSame Category

Benzidine-2,2'-disulfonic acid

CAS117-61-3

Dye intermediate for azo dyes

ReferenceSame Category

2-amino-1,5-naphthalenedisulfonic acid

CAS117-62-4

Dye intermediate

ReferenceSame Category

4,4'-[(4-{Bis[(²H₃)methyl]amino}phenyl)methylene]bis(N,N-dimethylaniline)

CAS1173023-92-1

Leuco form of crystal violet dye (deuterated internal standard)

Identifiers
IUPAC Name

4-hydroxynaphthalene-1,5-disulfonic acid

InChIKey

XIQKALDENTUXBY-UHFFFAOYSA-N

SMILES

C1=CC2=C(C=CC(=C2C(=C1)S(=O)(=O)O)O)S(=O)(=O)O

Synonyms (11)
  • Schoellkopf's acid
  • Schollkopf's acid
  • Schollkopf's acid (VAN)