Product Details :
Product Name | :MAGNESIUM SULPHATE HEPTAHYDRATE |
C.A.S. No. | :10034-99-8 |
Molecular Formula | : MgSO4.7H2O |
Molecular Weight | : 246.50 g/mol |
SPECIFICATION | IP | BP |
Description | Colorless crystals or white, Crystalline powder. | White or almost white, crystalline powder or brilliant , colorless crystals. |
Solubility | - | Freely Soluble in water , very soluble in boiling water and practically insoluble in ethanol (96 % ) |
Identification
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pH of a 5% solution at 250C | - | - |
Appearance of solution | Dissolve 5 g in sufficient carbon dioxide free water to produced 50 ml (Solution A) is clear and colorless. | Dissolve 5 g in sufficient carbon dioxide free water to produced 50 ml (Solution S) is clear and colorless. |
Acidity or alkalinity | NMT 0.2 ml of either 0.01 M hydrochloric acid or 0.01 M sodium hydroxide is required to change the color of solution. | NMT.0.2 ml of 0.01 M hydrochloric or 0.01 M sodium hydroxide is required to change the color of indicator. |
Arsenic | NMT 2 ppm. | NMT 2 ppm |
Heavy metals | NMT 10 ppm. | - |
Selenium | - | |
Iron | NMT 200 ppm. | NMT 20 ppm |
Chloride | NMT. 300 ppm | NMT. 300 ppm |
Organic Volatile impurities | - | |
Residual Solvents | - | |
Loss on drying | 48.0 to 52.0 % | 48.0 % - 52.0 % |
Loss on Ignition | - | - |
Assay (on dried basis) | 99.0 % to 100.5 % | 99.0 % - 100.5 % |
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