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Home/Compounds/cosmetic_ingredient/D&c red no. 34
C21H12CaN2O6S
460.5 g/mol
cosmetic_ingredient

D&C Red No. 34

CAS6417-83-0EC229-142-3
Category
cosmetic_ingredient
Compound Class
Inorganic Salt
Primary Use
Colorant for cosmetic products

D&C Red No. 34 is a colorant used in cosmetic products, typically in the form of a calcium lake.

Personal care products

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.

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Related Compounds

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Depilatory and permanent wave agent

Referencesame scaffold

Dialuminium tris(4-hydroxy-3-((4-sulphonato-1-naphthyl)azo)naphthalenesulphonate)

CAS84041-67-8

Carmoisine lake pigment

Referencesame scaffold

Carmoisine

CAS3567-69-9

Synthetic food colorant

Referencesame scaffold

Acid blue 158

CAS6370-08-7

acid dye for textiles

Customs Tariff Classification

The international HS code for D&C Red No. 34 (CAS 6417-83-0) is 3204.17.

HS code (international, 6-digit)

3204.17

EU CN code (8-digit)

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.

Identifiers
IUPAC Name

calcium 2-[(3-carboxy-2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate

InChIKey

OVHKKOQGPOYPLY-UHFFFAOYSA-L

SMILES

C1=CC=C2C(=C1)C=CC(=C2S(=O)(=O)[O-])N=NC3=C(C(=CC4=CC=CC=C43)C(=O)O)[O-].[Ca+2]

Synonyms (10)
  • D&C Red No. 34
  • RED 34

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