Calcium Dobesilate Monohydrate EP
| Product Name: | Calcium Dobesilate Monohydrate EP |
| Product Formula: | C12 H10 CaO10 S2.H2O |
| Molecular Weight: | 436.4 |
| CAS Number: |
| No. | Tests | Specifications | Reference |
|---|---|---|---|
| 1 | Appearance | White or almost white, hygroscopic powder | EP |
| 2 | Solubility | Very soluble in water, freely soluble in anhydrous ethanol, very slightly soluble in 2-propanol, practically insoluble in methylene chloride | EP |
| 3 | Identification A. Specific Absorbance B. Test B C. Reaction of calcium |
Shall pass the test Shall pass the test Shall pass the test |
EP |
| 4 | Appearance of solution | Clear and colorless | EP |
| 5 | pH | 4.5 to 6.0 | EP |
| 6 | Related Substances Impurity A Unspecified Impurities Total Disregard Limit |
Max. 0.1% Max. 0.10% Max. 0.2% Max. 0.05% |
EP |
| 7 | Heavy metals | Max. 15 ppm | EP |
| 8 | Iron | Max. 10 ppm | EP |
| 9 | Water | 4.0 % to 6.0 % | EP |
| 10 | Assay as C12 H10CaO10S2 (On anhydrous substance) | 99.0 % to 101.0 % | EP |
Storage: Store in a well-closed container at a temperature not exceeding 25°C, protected from direct sunlight and Moisture, unless otherwise specified.
Retest Period:2 years from the date of manufacture.
