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C.I. Direct Black 32
Direct dye for textiles
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This compound is a direct dye used for textile coloration. It is a disodium salt of an azo compound containing sulfonate and carboxylate groups, imparting affinity for cellulosic fibers.
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 Benzoic acid, 2-hydroxy-5-((4-((((2-methoxy-4-((3-sulfophenyl)azo)phenyl)amino)carbonyl)amino)phenyl)azo)-, disodium salt (CAS 8005-52-5) is 3204.14.
3204.14
3204 14 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;2-hydroxy-5-[[4-[[2-methoxy-4-[(3-sulfonatophenyl)diazenyl]phenyl]carbamoylamino]phenyl]diazenyl]benzoate
PBOIUUROGJVVNC-UHFFFAOYSA-L
COC1=C(C=CC(=C1)N=NC2=CC(=CC=C2)S(=O)(=O)[O-])NC(=O)NC3=CC=C(C=C3)N=NC4=CC(=C(C=C4)O)C(=O)[O-].[Na+].[Na+]