| Description |
Colorless crystals, or white, crystalline powder
|
Solubility |
Freely soluble in water; insoluble in alcohol
|
| Assay (on anhydrous basis) |
99.0%-100.5%
|
Tartrates |
No crystalline precipitate is formed
|
| Alkalinity |
The sample solution ( 1 g in 20 mL of water) is alkaline litmus paper, but after the addition of 0.20 mL of 0.10 N sulphuric acid, no pink colour is produced by 1 drop pf phenolphthalein TS
|
Water |
10.0 to 13.0 %
|