| Description |
Colourless, light crystals, scales or needles
|
Identification |
The solution gives the reactions of potassium salts and of chlorides
|
| Identification 'A' |
Melting point -121° to 124°C
|
Identification 'B' |
Passes test
|
| Appearance of solution |
Solution should be clear and colorless
|
Arsenic |
NMT 2 ppm
|
| Readily oxidisable substance |
NMT 0.5 ml of 0.1 M potassium permanganate is required
|
Readily carbonisable substance |
The color of the solution should not be more intense than that of reference solution YS5
|
| Cinnamic acid |
No odour of benzaldehyde is developed
|
Chlorinated compounds |
Passes test
|
| Water |
NMT 0.7%
|
Assay (on anhydrous basis) |
99.5% - 100.5%
|