| Appearance |
White or almost white, hygroscopic, crystalline powder
|
Solubility |
Freely soluble in water, soluble in anhydrous ethanol, practically insoluble in Methylene chloride
|
| Identification 'A', 'B', 'C' and 'D' |
-
|
Melting point |
115-118°C
|
| Identification 'D' |
The solution gives reaction of sodium
|
Appearance of solution |
Solution S, examined immediately after preparation, is clear and not more intensely coloured than reference solution BY6
|
| Assay (by HPLC; on dried basis) |
95.0- 102.0%
|
pH (1% solution in CO2 free water) |
9.5 to10.5
|
| Unspecified impurities |
NMT 0.5%
|
Sum of impurities other than A |
NMT1.0%
|