| Test Performed | Limit |
| Description | White soft powder, taste, alkaline and slightly bitter |
| Solubility | Practically insoluble in water |
| Identification | Gives reaction of calcium |
| Matter Insoluble in Acid (HCl) | NMT 10 mg |
| Carbonates | NMT 5.0% |
| Heavy Metals | NMT 20 ppm |
| Arsenic | NMT 4 ppm |
| Chloride | NMT 330 ppm |
| Sulphates | NMT 0.4% |
| Magnesium & Alkali Matter | NMT 20 mg |
| Assay | NLT 95.0% |
Shelf Life: 4 years
Storage: Keep container tightly closed. Keep container in a cool, well-ventilated area
Usage and application of Calcium Hydroxide: