POTASSIUM NITRATE
POTASSIUM NITRATE
| Article No. | 542008 |
| Grade | Bp |
| Purity | 99.9% |
| CAS No. | 7757-79-1 |
| Molecular Formula | KNO3 |
| Molecular Weight | 101.10 |
| H.S. Code | 2834.2100 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH value | 5.5 – 8.0 |
| Melting point/ Freezing point (°C) | 334 °C |
| Boiling point (°C) | 400 °C |
| Vapour density | 3 |
| Density (g/cm³) | 2.109 |
Specifications
| Appearance | White or almost white, crystalline powder or colourless crystals |
| Solubility | Freely soluble in water |
| Identification | Gives reaction of potassium, Gives reaction of nitrate |
| pH | 5.0 – 7.0 |
| Acidity or alkalinity | Passes test |
| Reducible substances | Passes test |
| Chlorides | Max 20 ppm |
| Sulfates | Max 150 ppm |
| Calcium | Max 100 ppm |
| Loss on drying | Max 0.5% |
| Assay | 99.0 – 101% |
| Packings | 500 gm |
