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Home/Compounds/Dye & Pigment/Disodium 8-oxido-6-sulfonaphthalene-2-sulfonate
C10H6Na2O7S2
348.3 g/mol
Dye & Pigment

Disodium 4-hydroxynaphthalene-2,6-disulphonate

CAS24402-46-8EC246-227-0
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
dye intermediate

Disodium 4-hydroxynaphthalene-2,6-disulphonate is a sulfonated naphthalene derivative used as an intermediate in the production of dyes and pigments. Its structure features a hydroxyl group and two sulfonate groups on a naphthalene ring system, contributing to its solubility and reactivity in industrial dye synthesis.

dye intermediatechemical intermediate for dye and pigment manufacturing

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

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Customs Tariff Classification

The international HS code for Disodium 4-hydroxynaphthalene-2,6-disulphonate (CAS 24402-46-8) is 2908.99.

HS code (international, 6-digit)

2908.99

EU CN code (8-digit)

2908 99 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

disodium;4-hydroxynaphthalene-2,6-disulfonate

InChIKey

RLZVCSMLCVGDHP-UHFFFAOYSA-L

SMILES

C1=CC(=CC2=C(C=C(C=C21)S(=O)(=O)[O-])O)S(=O)(=O)[O-].[Na+].[Na+]

Synonyms (1)

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