C34H24N5Na3O11S3
843.8 g/mol
Dye & PigmentWarning
1,5-Naphthalenedisulfonic acid, 3-((4-((1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl)azo)-5-methoxy-2-methylphenyl)azo)-, trisodium salt
CAS6227-20-9EC228-327-6
Category
Dye & Pigment
Compound Class
Other
Primary Use
Direct dye for textiles
This compound is an anionic disazo dye used as a direct dye for cellulosic textiles. It has a complex aromatic structure containing multiple sulfonate groups and sodium counterions, giving it a salt-like character.
Dye
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 6227-20-9
Related Compounds
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Trisodium 4-((1-hydroxy-6-((((5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl)amino)carbonyl)amino)-3-sulphonato-2-naphthyl)azo)benzoate
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Direct dye for textiles
ReferenceSame Category
4-chlorobenzonitrile
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Intermediate for red pigment production
ReferenceSame Category
4-amino-2,7-naphthalenedisulfonic acid
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dye intermediate
Safety Reference
Warning
H302Harmful if swallowed
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H361Suspected of damaging fertility or the unborn child
Identifiers
IUPAC Name
trisodium;3-[[4-[(6-anilino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl]-5-methoxy-2-methylphenyl]diazenyl]naphthalene-1,5-disulfonate
InChIKey
VRVDFJOCCWSFLI-UHFFFAOYSA-K
SMILES
CC1=CC(=C(C=C1N=NC2=CC3=C(C=CC=C3S(=O)(=O)[O-])C(=C2)S(=O)(=O)[O-])OC)N=NC4=C(C=C5C=C(C=CC5=C4O)NC6=CC=CC=C6)S(=O)(=O)[O-].[Na+].[Na+].[Na+]
Synonyms (6)
- C.I. Direct Violet 35
- Direct Violet 35 trisodium