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.
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Auramine hydrochloride
dye for textiles and paper
5,5',7,7'-tetrabromoindigo
Vat dye for textiles
1H-Benz[de]isoquinoline-1,3(2H)-dione, 6-amino-2-(2,4-dimethylphenyl)-
solvent dye for coloring
(2-((4-aminobenzene)sulfonyl)ethoxy)sulfonic acid
Dye intermediate for reactive dyes
The international HS code for Disodium 4-hydroxynaphthalene-2,6-disulphonate (CAS 24402-46-8) is 2908.99.
2908.99
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.
disodium;4-hydroxynaphthalene-2,6-disulfonate
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C1=CC(=CC2=C(C=C(C=C21)S(=O)(=O)[O-])O)S(=O)(=O)[O-].[Na+].[Na+]
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