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C6152

Carmine

Name: Carmine
Brand: SIAL

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

Synonym(s):

Alum lake of carminic acid, Cochineal, Nacarat, Natural Red 4

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About This Item

CAS Number:

1390-65-4

MDL number:

MFCD32869252

UNSPSC Code:

12171500

NACRES:

NA.47

EC Number:

215-724-4

Colour Index Number:

75470

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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

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

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

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c