Carmine, powder, Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
Synonyms:
Carminic acid, Cochineal, Alum lake of Carminic Acid, Natural Red 4, FD and C Carmine, CI 75470, Carmine, calcium/aluminum lake
M-Clarity™ quality level = MQ200
C1022-100G
C1022-25G
C1022-5G
C1022-100GEA
539
GBP
C1022-100G
C1022-25G
C1022-5G
Carmine, powder, Sigma-Aldrich®
Carmine
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.
- Carmine has been used for the staining of mammary glands
- It has been used for the staining of the chromosomes
Formula:
C₂₂H₂₀O₁₃ MW: 492,389 g/mol Storage Temperature: Room Temperature |
MDL Number:
MFCD00167028 CAS Number: 1390-65-4 EINECS: 215-724-4 |
Specification Test Results
Appearance (Colour) | Red |
Appearance (Form) | Powder |
Infrared spectrum | Conforms to Structure |
Solubility (Colour) 1 mg/ml in 2 N NH₄OH |
Red |
Assay (UV-Vis) % Carminic acid |
≥42.0 % |
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