11298

Carminic acid

analytical standard

• Synonym(s): Natural Red 4
• Empirical Formula (Hill Notation): C₂₂H₂₀O₁₃
• CAS Number: 1260-17-9
• Molecular Weight: 492.39
• Colour Index Number: 75470
• Beilstein/REAXYS Number: 71651
• EC Number: 215-023-3
• MDL number: MFCD00167028
• UNSPSC Code: 85151701
• PubChem Substance ID: 329749350
• E Number: E120
• NACRES: NA.24

Properties

• grade: analytical standard
• Quality Level: 100
• assay: ≥90% (HPLC)
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• application(s): cleaning products; cosmetics; food and beverages; personal care
• format: neat
• 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

Description

General description

Carminic acid is an anthraquinone red dye. It is majorly used in textile industry as pigmenting agent.[1]

Application

Carminic acid was used to compare and identify the Leucopis sp. using analytical methods like TLC and HPLC.[1]

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 2
• ppe: Eyeshields, Gloves, type N95 (US)