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Home/Compounds/Dye & Pigment/D&C Red 7
C18H12CaN2O6S
424.4 g/mol
Dye & Pigment

Calcium 3-hydroxy-4-((4-methyl-2-sulphonatophenyl)azo)-2-naphthoate

CAS5281-04-9EC226-109-5
Category
Dye & Pigment
Compound Class
Other
Primary Use
red pigment for cosmetics and plastics

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.

red pigment for cosmeticscolorant for plastics

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

StrongSame Parent

Lithol Rubine B

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colorant for personal care products

StrongSame Parent

D&c red no. 6 barium lake

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Pigment for cosmetics

SimilarStructure SimilarSimilarity 0.73

Pigment red 48 calcium

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Red pigment for plastics

SimilarStructure SimilarSimilarity 0.73

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Red pigment for plastics

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Fluorescent solvent dye

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2-nitro-p-phenylenediamine

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hair dye intermediate

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dye intermediate

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Basic dye for textiles

Identifiers
IUPAC Name

calcium 2-[(3-carboxy-2-oxidonaphthalen-1-yl)diazenyl]-5-methylbenzenesulfonate

InChIKey

PZTQVMXMKVTIRC-UHFFFAOYSA-L

SMILES

CC1=CC(=C(C=C1)N=NC2=C(C(=CC3=CC=CC=C32)C(=O)O)[O-])S(=O)(=O)[O-].[Ca+2]

Synonyms (19)
  • Brilliant Carmine 6B
  • D&C RED 7 CALCIUM LAKE
  • D&C Red 7
  • D&C Red No. 7
  • DC RED NO. 7-CALCIUM LAKE
  • DYE DC RED NO. 7 CALCIUM LAKE
  • Lithol Rubin BCA
  • Lithol Rubine BK
  • red 7