Sourcing 2-Amino-5-hydroxynaphthalene-1,7-disulphonic acid?
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dye intermediate
Sourcing 2-Amino-5-hydroxynaphthalene-1,7-disulphonic acid?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
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.
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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