Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 240 °C | Solubility in water [% weight] | Soluble in water |
Colour | White powder |
Appearance | White granules or powder; odourless or· with slight put not unpleasant odour. The pentahydrate is somewhat efflorescent. |
Assay (as C6H10Ca06; on dried basis) | 98.0-102.0% |
Identification | Passes IP test |
Acidity or alkalinity | Passes IP test |
Arsenic (As) | Max 0.0002% |
Heavy metal (as Pb) | Max 0.002% |
Iron (Fe) | Max 0.008% |
Chlorides | Max 0.02% |
Sulphates | Max 0.15% |
Reducing substance | Passes IP test |
Loss on drying (at 120°C; 4 hrs) | Max 30.0% |