Carmine

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Properties Simple | Detailed

Formula C22H20O13
IUPAC Name 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2r,3r,4r,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]anthracene-2-carboxylic acid
Molecular Mass 492.386 g·mol−1
Heat of Formation -2126.5 ± 16.7 kJ·mol−1
Dipole Moment 6.23 ± 1.08 D
Volume 500.02 Å 3
Surface Area 422.52 Å 2
HOMO Energy -8.90 ± 0.55 eV
LUMO Energy -1.86 ± eV
Point Group Symmetry C1
Synonyms
  • (1r)-1,5-anhydro-1-(7-carboxy-1,3,4,6-tetrahydroxy-8-methyl-9,10-dioxo-9,10-dihydroanthracen-2-yl)-d-glucitol
  • 2-anthracenecarboxylic acid, 7-.alpha.-d-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-
  • 2-anthracenecarboxylic acid, 7-beta-d-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-
  • 2-anthroic acid, 7-d-glucopyrosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-
  • 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2r,3r,4r,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)-2-tetrahydropyranyl]-2-anthracenecarboxylic acid
  • 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2r,3r,4r,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid
  • 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2r,3r,4r,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]anthracene-2-carboxylic acid
  • 3,5,6,8-tetrahydroxy-9,10-diketo-1-methyl-7-[(2r,3r,4r,5s,6r)-3,4,5-trihydroxy-6-methylol-tetrahydropyran-2-yl]anthracene-2-carboxylic acid
  • 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
  • c.i. 75470
  • carminic acid
  • ci 75470
  • ci natural red 4
  • coccus cacti extract
  • cochineal extract
  • cochineal tincture
  • e 120
  • e 120 (dye)
  • natural red 4
  • san-ei gen san red 1
  • sanred 1
  • smp1_000058
  • sun red 1
  • sun red no. 1
CAS Number(s)
  • 1260-17-9
  • 1389-34-0
  • 16667-06-4
  • 37349-49-8
  • 476-39-1
  • 632-55-3
InChIKey DGQLVPJVXFOQEV-NGOCYOHBSA-N
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