Product Details :
Product Name | Calcium Chloride Dihydrate |
C.A.S. No. | 10035-04-8 |
Molecular Formula | CaCl2.2H2O |
Molecular Weight | 147.01 g/mol |
SPECIFICATION | IP | BP | USP |
Description | A White, Crystalline powder or fragments or granules, odorless, hygroscopic. | White or almost white, crystalline powder, hygroscopic. | White or almost white, crystalline powder, hygroscopic. |
Solubility | - | Freely soluble in water and soluble in ethanol (96 %) | - |
Appearance of solution
| Clear and not more intensely colored than reference solution YS6. | 10 % solution is clear and not more intensely colored than reference solution Y6. | - |
Identification
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Acidity or Alkalinity | To 10 ml of freshly prepared 10 % w/v solution add 2 drops off phenolphthalein solution. Titrate with 0.01 M hydrochloric acid or 0.01 M sodium hydroxide. | If the solution is red , than not more 0.2 ml of 0.01 M HCL need to discharge the color and if the solution is colorless, not more than 0.2 mlNaOH is required to turn it red. | - |
pH | - | - | 4.5 9.2 |
Arsenic | NMT 3 ppm. | - | - |
Barium | After not less than 15 min. the solution is not more opalescent than a mixture of 10 ml of solution and 1 ml of distilled water. | After 15 min, Any opalescent in the solution is not more intense than that in a mixture of 1 ml of distilled water and 1.0 gm of sample. | - |
Aluminum&Phosphate (IP) | No turbidity or precipitate is produced. | No turbidity or precipitate is formed. | NMT 1 ppm |
Iron , Aluminum & Phosphate | - | - | No turbidity or precipitate is formed. |
Heavy metals | NMT10 ppm | - | NMT10 ppm |
Iron | NMT 20 ppm. | NMT10 ppm | - |
Magnesium and Alkali salts | NMT 1.0 % | NMT0.5% | NMT 1.0 % |
Sulphate | NMT 300 ppm | NMT 300ppm | - |
Organic Volatile impurities | - | - | Meets the requirements |
Assay | 97.0 % to 103.0 % | 97.0% - 103.0% | 99.0% 107.0% |
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