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D&c red no. 6 barium lake
Pigment for cosmetics
Pigment red 48 strontium
Red pigment for plastics
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D&C Red #7 is a calcium salt of a monoazo dye used as a red pigment in cosmetics and plastics. It is characterized by its aromatic ring structure and sulfonate and carboxylate functional groups.
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 Calcium 3-hydroxy-4-((4-methyl-2-sulphonatophenyl)azo)-2-naphthoate (CAS 5281-04-9) is 3204.17.
3204.17
3204 17 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
calcium 2-[(3-carboxy-2-oxidonaphthalen-1-yl)diazenyl]-5-methylbenzenesulfonate
PZTQVMXMKVTIRC-UHFFFAOYSA-L
CC1=CC(=C(C=C1)N=NC2=C(C(=CC3=CC=CC=C32)C(=O)O)[O-])S(=O)(=O)[O-].[Ca+2]