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Home/Compounds/Dye & Pigment/Rhoduline acid
C20H15NO8S2
461.5 g/mol
Dye & Pigment

Rhoduline Acid

CAS87-03-6EC201-719-4
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
dye intermediate

Rhoduline Acid is a sulfonated naphthalene derivative used as a dye intermediate. Its structure features two naphthalene rings linked by an amine bridge, with hydroxyl and sulfonic acid substituents that confer polarity and solubility.

dye intermediatesynthesis of acid 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

StrongStructure SimilarSimilarity 0.85

4-hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid

CAS119-40-4

dye intermediate for azo dyes

SimilarStructure SimilarSimilarity 0.77

1-Naphthol-3,6-disulfonic acid

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intermediate for azo dyes

SimilarStructure SimilarSimilarity 0.76

4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid

CAS22346-43-6

dye intermediate

SimilarStructure SimilarSimilarity 0.74

AMI-1

CAS134-47-4

intermediate for dyes and pigments

ReferenceSame Category

3-chloro-O-toluidine

CAS87-60-5

Intermediate in azo dye manufacture

ReferenceSame Category

4-Bromo-2-nitroaniline

CAS875-51-4

dye intermediate

ReferenceSame Category

2,4,6-trimethylaniline

CAS88-05-1

Dye intermediate

ReferenceSame Category

2,4-Dimethylaniline-6-sulfonic acid

CAS88-22-2

Dye intermediate

Identifiers
IUPAC Name

4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)amino]naphthalene-2-sulfonic acid

InChIKey

BQVLLTHCZQAJNH-UHFFFAOYSA-N

SMILES

C1=CC2=C(C=C(C=C2C=C1NC3=CC4=CC(=CC(=C4C=C3)O)S(=O)(=O)O)S(=O)(=O)O)O

Synonyms (16)
  • Di-J acid
  • I Acid Imide
  • J Acid Imide
  • RW acid
  • Rhoduline Acid