POTASSIUM NITRATE 99 % AR
| Product Code | B-02144 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | AR | CAS No | 7757-79-1 |
| Molecular Formula | KNO3 | Molecular Weight | 101.10 |
| H.S.Code | 2834.21000 | Shelf Life | 60 Months |
| Purity | 99 % |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline |
|---|---|---|---|
| Solubility in water [% weight] | 36 gm/l00 ml water | Odour | Odorless |
| Density [g/cm3] | 2.109 | Melting point/ Freezing point [°C] | 334 °C |
| Boiling point [°C] | 400 °C | pH Value | 5.5 - 8.0 |
| Vapour Density | 3 |
Packaging
Specification
| 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% |
| Loss on drying (at 105°C) | Max 0.5% |
Safety Information and Hazard Symbols
Symbol: GHS03,GHS07
Signal Word: Warning
UN No.: 1486
IMCO Class No.: 5.1
Packing Group: III
Hazardous Statement: H272
Precaution Statement: P220