Carmin (Calcium-Aluminium-Verlackung von Carminsäure), Pulver, Sigma-Aldrich®
Lieferant: SIGMA ALDRICH MICROSCOPY
Synonyme:
Carminic acid, Cochineal, Alum lake of Carminic Acid, Natural Red 4, FD and C Carmine, CI 75470, Carmine, calcium/aluminum lake
M-Clarity™ Qualitätsstufe = MQ200
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
Formel:
C₂₂H₂₀O₁₃ Molekulargewicht: 492.389 g/mol Lagerungstemperatur: Room Temperature |
MDL Number:
MFCD00167028 CAS-Nummer: 1390-65-4 EINECS: 215-724-4 |
Spezifikation Testergebnisse
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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