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Key Documents

C3522

Sigma-Aldrich

Carminic acid

Synonym(s):

Natural Red 4

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About This Item

Empirical Formula (Hill Notation):
C22H20O13
CAS Number:
Molecular Weight:
492.39
Colour Index Number:
75470
Beilstein:
71651
EC Number:
MDL number:
UNSPSC Code:
12171500

composition

Dye content, ~90%

SMILES string

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

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

InChI key

DGQLVPJVXFOQEV-JNVSTXMASA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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