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Products
Carmine
Product Details
Category
Cosmetic Color Additives
Molecular Formula
C22H20O13
Grade
certified by the Biological Stain Commission
CAS Number
1390-65-4
Synonyms
Alum lake of carminic acid, Cochineal, Nacarat, Natural Red 4
Solubility
ammonium hydroxide: soluble1mg/mL
Quality Level
200
Storage
room temp
Application
Carmine has been used for the staining of mammary glands. It has also been used for the staining of chromosomes.
Boiling Point
N/A
Melting Point
138–140℃ (darkens)
Density
>1.0 g/cm3
Product 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.
EC Number
215-724-4
Physical State
Powder
NACRES
NA.47
InChI Key
DGQLVPJVXFOQEV-UHFFFAOYSA-N
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)
Stability
Stable. Incompatible with strong oxidizing agents.
Safety Statements
22-24/25
WGK Germany
2
RTECS
FH8891000
HS Code
32030090
Water Solubility
Negligible
Color
Red
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Please note: Our products and services are not intended to be used directly in diagnostic or therapeutic procedures.
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