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Appearance Fine crystals
Colour White
Odour Odourless
pH (5% solution) 8,5
Content of KNO₃ on the anhydrous basis, % (m/m) 99,5
Moisture (as loss on drying at 105°C), % (m/m) 1
Nitrites expressed as KNO₂, (mg/kg) 10
Arsenic (as As), (mg/kg) 0,1
Lead (as Pb), (mg/kg) 0,1
Mercury (as Hg), (mg/kg) 0,1
Ethylene oxide residues (ethylene oxide + 2-chloro-ethanol), (mg/kg) 0,1
Insoluble matter, % (m/m) 0,005
Chlorides (as NaCl), % (m/m) 0,001
Ammonium (NH4) absent
Phosphate (PO4), % (m/m) 0,0005
Sulfate (SO4), % (m/m) 0,003
Iodate (IO3), % (m/m) 0,0005
Sodium (Na), % (m/m) 0,02
Heavy metals (as Pb²⁺), % (m/m) 0,0005
| CAS No. | 7757-79-1 |
|---|---|
| Molecular Formula | KNO3 |
| Molecular Weight | 101.11 |
| HS Code | 2834.2100 |
| Symbol | GHS03 |
| Signal Word | Warning |
| UN No. | 1486 |
| IMCO Class No. | 5.1 |
| Hazardous Statement | H272 |
| Precaution Statement | P220 |
| Packing | 1 KG |
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