1 | Appearance | Almost white crystlline powder. | White or almost white crystalline powder |
2 | Solubility | Complies | Freely soluble in water; Sparingly soluble or Soluble in ethanol(96%), Practically insoluble in methylene chloride |
3 | Identification A Melting point of derivative | 104° - 108°C | 103 °-115 °C |
4 | Identification,(B)By IR test | Complies | To comply the test |
5 | Identification C) Give reaction(a) of Sulphate | Passes | Passes test |
6 | Identification D) Give reaction(a) of Sodium | Passes | Passes test |
7 | Appearance of solution | Complies | Not more Opalescent than reference suspension II and not more intensely coloured than reference solution B6 |
8 | pH | 6.55 | Between 6 and 8 |
9 | Inorganic mercuric compounds | 0.35% | Not more than 0.70% |
10 | Loss on drying | 0.15% | Not more than 0.5% |
11 | Assay (on dry basis) | 99.44% | 97.0%-101.0% |