CASR |
: | 1390-65-4 |
Molecular Formula |
: | C44H37O27AlCa.3H2O |
Molecular Weight |
: | 1118.78 |
| Specifications | |
|---|---|
| Description: | Bright red powder. |
| Solubility: | Insoluble in water. Soluble in ammonia solution. |
| Carminic acid content: | min. 50.00% |
| Absorption, L max: | 565 - 570 nm & 525 - 532 nm (In DMSO) |
| Absorptivity(A1%,1cm,L max.): | 80 - 110 & 105 - 150 (In DMSO) |
| Suitability for microscopy: | Passes test |
| Sulphated ash: | 10 - 17% |
| Water: | 15.00% max. |
