This compound is an organic compound belonging to the naphthalene disulfonic acid class, primarily used as a dye intermediate. Its significance lies in its role as a precursor in the synthesis of various dyes and pigments.
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.
Sourcing 2-Amino-5-hydroxynaphthalene-1,7-disulphonic acid?
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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
Direct dye for textiles
Sodium 4-amino-6-chlorotoluene-3-sulphonate
dye intermediate
2-methoxy-5-nitroaniline hydrochloride
dye intermediate
1-(p-acetamidoanilino)-4-hydroxyanthraquinone
solvent dye
The international HS code for 2-Amino-5-hydroxynaphthalene-1,7-disulphonic acid (CAS 6535-70-2) is 2922.21.
2922.21
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.
2-amino-5-hydroxynaphthalene-1,7-disulfonic acid
HIVUAOXLSJITPA-UHFFFAOYSA-N
C1=CC(=C(C2=C1C(=CC(=C2)S(=O)(=O)O)O)S(=O)(=O)O)N
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Sourcing 2-Amino-5-hydroxynaphthalene-1,7-disulphonic acid?
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