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Substance Name: Carminic acid
RN: 1260-17-9
UNII: CID8Z8N95N
InChIKey: DGQLVPJVXFOQEV-JNVSTXMASA-N

Note

  • Coloring matter from the insect Coccus cacti L. It is used in foods, pharmaceuticals, toiletries, etc., as a dye, and also has use as a microscopic stain and biological marker.

Molecular Formula

  • C22-H20-O13

Molecular Weight

  • 492.387
 

Classification Codes

  • Coloring Agents
  • Food Additives
  • Food Coloring Agents
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Names and Synonyms

Name of Substance

  • Carminic acid
  • Natural red 4

MeSH Heading

  • Carmine

Synonyms

  • 2-Anthroic acid, 7-D-glucopyrosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-
  • 7-D-Glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-2-anthroic acid
  • 7beta-D-Glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-2-anthracenecarboxylic acid
  • AI3-18242
  • C.I. 75470
  • C.I. Natural red 4
  • Carminic acid
  • CCRIS 1397
  • CI 75470
  • CI Natural Red 4
  • Coccinellin
  • Coccus cacti extract
  • Cochineal
  • Cochineal extract
  • Cochineal tincture
  • E 120
  • E 120 (dye)
  • EINECS 215-023-3
  • HSDB 912
  • NSC 326224
  • NSC 6196
  • San-Ei Gen San Red 1
  • Sanred 1
  • Sun Red 1
  • Sun Red No. 1
  • UNII-CID8Z8N95N

Systematic Names

  • 2-Anthracenecarboxylic acid, 7-beta-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-
  • Carminic acid

Superlist Name

  • Carminic acid

Registry Numbers

CAS Registry Number

  • 1260-17-9

FDA UNII

  • CID8Z8N95N

Other Registry Numbers

  • 131802-72-7
  • 1389-34-0
  • 16667-06-4
  • 37349-49-8
  • 476-39-1
  • 632-55-3

System Generated Number

  • 0001260179

Structure Descriptors

InChI

InChI=1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34)/t7-,14-,19+,20-,21+/m1/s1

InChIKey

DGQLVPJVXFOQEV-JNVSTXMASA-N

Smiles

Cc1c(C(=O)O)c(O)cc2C(=O)c3c(O)c(O)c([C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)c(O)c3C(=O)c12

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 136 dec deg C   EXP
log P (octanol-water) 0.970 (none)   EST
Water Solubility 1300 mg/L 25 EXP
Vapor Pressure 9.71E-27 mm Hg 25 EST
Henry's Law Constant 6.57E-32 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.63E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.