| CAS | 7757-79-1 |
| Molecular Formula | KNO3 |
| Molecular Weight | 101.11 |
| 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 |
| Solubility in Water [% weight] | 36 gm/l00 ml water | ||
| Specifications | |||
| Appearance | White crystalline powder | Assay (As Kno3) | 99 – 100.5% |
| Identity | Passes test | Appearance of Solution | Passes test |
| Reducing Substance | Passes test | pH (5% Solution in Water; 20°C) | 4.5 – 8.5 |
| Acidity Or Alkalinity | Passes test | Chloride (Cl) | Max 0.001% |
| Chlorate And Perchlorate (As Cl) | Passes test | Sulphate (So4) | Max 0.003% |
| Phosphate (Po4) | Max 0.0005% | Heavy Metal (As Pb) | Max 0.0005% |
| Arsenic (As) | Max 0.0003% | Iron (Fe) | Max 0.0003% |
| Calcium (Ca) | Max 0.001% | Sodium (Na) | Max 0.02% |
| Ammonium (Nh4) | Max 0.001% | Iodate (Io3) | Max 0.0005% |
| Nitrite (No2) | Max 0.001% | ||
| Dangerous Goods Information | |||
| UN Number | 1486 | DG Class | 5.1 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS03 |
| Signal Word | Warning |
| Hazard Statement | H272 |
| Precaution Statement | P220 |
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