C6152

Carmine

Dye content: minimum not established , certified by the Biological Stain Commission, powder

• Synonym(s): Alum lake of carminic acid, Cochineal, Nacarat, Natural Red 4
• CAS Number: 1390-65-4
• MDL number: MFCD32869252
• UNSPSC Code: 12171500
• NACRES: NA.47
• EC Number: 215-724-4
• Colour Index Number: 75470

Properties

• Product Name: Carmine, certified by the BSC
• agency: certified by the BSC
• Quality Segment: 200
• form: powder
• composition: Dye content: minimum has not been established
• color: red
• solubility: 1 mg/mL, red (2 N NH₄OH)
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: O1C(C(C(C(C1c2c(c3c(c(c2O)O)C(=O)c4c(c(c(c(c4)O)C(=O)O)C)C3=O)O)O)O)O)CO
• 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)
• InChI key: DGQLVPJVXFOQEV-UHFFFAOYSA-N

Description

General description

Carmine is a red compound and is commonly used with aluminum, iron or other metal salts to enhance its activity. During smear preparation, carmine is required for chromatin staining in fresh material. In presence of aluminum chloride, it is required for the staining of glycogen.

Application

Certified for use in Orth′s lithium carbonate technique, Southgate′s mucicarmine method, and Best′s carmine for glycogen

Carmine has been used for the staining of mammary glands. It has also been used for the staining of chromosomes.[1]

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)