Carmine (C.I. 75470) 25Grm
Carmine (C.I. 75470) (calcium-aluminium lacquer of carminic acid) for microscopy Certistain®. CAS 1390-65-4, molar mass 1118.88 g/mol.
Manufacturer: Merck
Catalog ID: 115933.0025
Stock: In Stock
Description
| Catalogue Number | 115933 |
| Description | CARMINE (C.I. 75470) (CALCIUM-ALUMINIUM |
| Overview | Carmine (C.I. 75470) is a CERTISTAIN® 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 CERTISTAIN® dye it is chemically quality-certified according to highest standards and strict specifications. As an IVD product and CE registered, it can be used hassle-free in diagnostics and laboratory accreditations. |
Product Information
| CAS number | 1390-65-4 |
| EC number | 215-724-4 |
| Hill Formula | C₄₄H₃₇O₂₇AlCa*3H₂O |
| Molar Mass | 1118.88 g/mol |
| HS Code | 3203 00 90 |
Applications
| Application | Carmine (C.I. 75470) (calcium-aluminium lacquer of carminic acid) for microscopy Certistain®. CAS 1390-65-4, molar mass 1118.88 g/mol. |
Physicochemical Information
| Bulk density | 290 kg/m3 |
| Solubility | 1.3 g/l practically insoluble |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| 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 - λ1max; 0.05 g/l; DMSO | 80 - 110 |
| - λ2max; 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 |
