| Assay: | 98.0-101.0% MnCl2 · 4H2O |
| pH of a 5% solution | 3.5-6.0 at 25 °C |
| MAXIMUM ALLOWABLE | |
| Insoluble matter: | 0.005% |
| Sulfate (SO4): | 0.005% |
| Heavy metals (as Pb): | 5 ppm |
| Iron (Fe): | 5 ppm |
| Calcium (Ca): | 0.005% |
| Magnesium (Mg): | 0.005% |
| Potassium (K): | 0.01% |
| Sodium (Na): | 0.05% |
| Zinc (Zn): | 0.005% |