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C1022

Carmine

Name: Carmine
Brand: SIGMA

≥42.0% purity, 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, powder, ≥42.0% (UV-vis)

Quality Level

200

assay

≥42.0% (UV-vis)

form

powder

color

red

solubility

ammonium hydroxide: 1 mg/mL

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

Application

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

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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