1.04175

Carmine (C.I. 75470)

• Fórmula empírica (notación de Hill): C₄₄H₃₇AlCaO₂₇ · 3H₂O
• Número de CAS: 1390-65-4
• Peso molecular: 1118.85
• Número MDL: MFCD32869252
• Código UNSPSC: 41116130
• NACRES: NA.21

Propiedades

• Formulario: solid
• Nivel de calidad: 200
• composición: Dye, ≥50% spectrophotometric assay
• solubilidad: practically insoluble 1.3 g/L
• densidad aparente: 290 kg/m³
• aplicaciones: diagnostic assay manufacturing; hematology; histology
• temp. de almacenamiento: 2-30°C
• cadena SMILES: 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)
• Clave InChI: DGQLVPJVXFOQEV-UHFFFAOYSA-N

Descripción

Descripción general

Carmine (C.I. 75470) (calcium-aluminium lacquer of carminic acid) for microscopy Certistain^®, is a dry dye that is used for the preparation of a staining solution for staining nuclei and for demonstration of glycogen in histological sections of human origin.
As a Certistain^® dye it is chemically quality-certified according to highest standards and strict specifications.

Aplicación

(calcium-aluminium lacquer of carminic acid) for microscopy Certistain^®

Nota de análisis

Identity
- aluminium:
passes test
- Calcium: passes test
- UV/VIS-Spectrum: passes test
Dye content (spectrophotometrically): ≥ 50 % (als C₂₂H₂₀O₁₃)
Absorption maximum λ 1 (Dimethyl sulfoxide): 565 - 570 nm
Absorption maximum λ 2 (Dimethyl sulfoxide): 525 - 532 nm
Spec. Absorptivity A 1%/1cm
- λ1<SUB>m</SUB><SUB>a</SUB><SUB>x</SUB>; 0.05 g/l; DMSO:
80 - 110
- λ2<SUB>m</SUB><SUB>a</SUB><SUB>x</SUB>; 0.05 g/l; DMSO: 105 - 150
TLC-Test: passes test
Water (according to Karl Fischer): ≤ 15 %
Sulfated ash: 10 - 17 %
Suitability for microscopy: passes test

Información legal

CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany

Información de seguridad

• Código de clase de almacenamiento: 11 - Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 1
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable