| M | 228.20 |
|---|---|
| m.p | 120 °C |



| White to pale yellow solid | Complying |
| Assay | 98.0-102.0%w/w |
| Acidity | max. 0.04meq/gr |
| Heavy metals (as Pb) | max. 0.005% |
| Iron (Fe) | max. 0.001% |
| Chloride & Chlorates | max. 0.001% |
| Insoluble matter | max. 0.005% |
| Residue after ignition | max. 0.05% |