C10H8NNaO7S2
341.3 g/mol
Dye & PigmentWarning
H acid monosodium salt
CAS5460-09-3EC226-736-4
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Dye intermediate for azo dyes
H acid monosodium salt is a dye intermediate primarily used in the production of azo dyes. It is an aromatic compound containing amine and sulfonate groups, commonly employed in industrial dye synthesis.
dye intermediate for azo 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
SimilarStructure SimilarSimilarity 0.72
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Dye intermediate for azo dyes
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2,4-diaminobenzenesulfonic acid
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Dye intermediate for azo dyes
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2-amino-8-hydroxynaphthalene-6-sulfonic acid
CAS90-51-7
Dye intermediate for azo dyes
ReferenceSame Category
Pigment Yellow 14
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Organic pigment for plastics and inks
ReferenceSame Category
Crystal violet
CAS548-62-9
Biological stain and dye
ReferenceSame Category
Direct Violet 51
CAS5489-77-0
Direct dye for textiles
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for H acid monosodium salt (CAS 5460-09-3) is 2922.21.
HS code (international, 6-digit)
2922.21
EU CN code (8-digit)
2922 21 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
sodium 4-amino-5-hydroxy-7-sulfonaphthalene-2-sulfonate
InChIKey
QPILZZVXGUNELN-UHFFFAOYSA-M
SMILES
C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)[O-])N)O)S(=O)(=O)O.[Na+]
Synonyms (14)
- Ash acid
- H acid monosodium salt
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