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POTASSIUM NITRATE AR
Confirms to BP, USP
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC2845 | AR | 99% | 7757-79-1 | KNO3 | 101.11 | 2834.2100 | 60 Months |
Packings
| 500 g |
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 (Titration after Ion exchange) | 99 - 100.5% |
| Identity (acc. to pharmacopoeias) | 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% |
| Lead (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 0.0005% |
| Loss on drying (at 105°C) | Max 0.5% |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS03 |
| Signal Word | Warning |
| UN No. | 1486 |
| IMCO Class No. | 5.1 |
| Packing Group | III |
| Hazardous Statement | H272 |
| Precaution Statement | P220 |
| Risk Statement | |
| Safety Statement | |
Revision Date : 14-Apr-2022
Certificate of Analysis (COA's)
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