- CAS No. :25454-23-3
- Molecular formula : CaC2O4
- Molar Mass :128.097 g/mol. Anhydrous, 146.112 g/mol. Monohydrate.
- Solubility in water : Almost insoluble.
| Test | Spec.Limit | Result |
| Aqueous Extract a) acidity to orange b) alkalinity to phenolphthalein calculated as sodium carbonate5 | Nil, 0.1% | Nil, 0.06% |
| Matter insoluble in cold dilute hcl Max | 0.50% | 0.30% |