C10H6Na2O7S2
348.3 g/mol
Dye & PigmentWarning
R salt
CAS135-51-3EC205-196-3
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Dye intermediate
R salt is the disodium salt of 3-hydroxynaphthalene-2,7-disulfonic acid, commonly used as a dye intermediate in the production of azo dyes and other colorants.
dye intermediatecomponent in azo 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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CAS 135-51-3
Related Compounds
SimilarStructure SimilarSimilarity 0.74
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
Identifiers
IUPAC Name
disodium;3-hydroxynaphthalene-2,7-disulfonate
InChIKey
VNEBWJSWMVTSHK-UHFFFAOYSA-L
SMILES
C1=CC(=CC2=CC(=C(C=C21)O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonyms (22)
- Fericon
- Ferricon
- R Acid Disodium Salt
- R salt