Sourcing Acid red 88?
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2,7-Naphthalenedisulfonic acid, 4-(acetylamino)-5-hydroxy-, disodium salt
Naphthalene sulfonate dye intermediate
Sourcing Acid red 88?
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Acid Red 88 is an azo dye used primarily for coloring textiles. It is applied as an acid dye, offering vibrant shades on protein fibers such as wool and silk.
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 Acid red 88 (CAS 1658-56-6) is 3204.12.
3204.12
3204 12 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
sodium 4-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate
LGZQSRCLLIPAEE-UHFFFAOYSA-M
C1=CC=C2C(=C1)C=CC(=C2N=NC3=CC=C(C4=CC=CC=C43)S(=O)(=O)[O-])O.[Na+]