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C6152

Sigma-Aldrich

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

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About This Item

CAS Number:
Colour Index Number:
75470
EC Number:
UNSPSC Code:
12171500
NACRES:
NA.47

product name

Carmine, certified by the Biological Stain Commission

grade

certified by the Biological Stain Commission

Quality Level

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

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

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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.

Suitability

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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