Potassium nitrate - 31263
Code: 31263
Potassium nitrate
Puriss. p.a., ACS Reagent, Reag. ISO, Reag. Ph. Eur., ≥99%
ACS Reagent, Reag. ISO, Reag. Ph. Eur.
CAS Number: 7757-79-1
Linear Formula: KNO3
Molar Mass: 101 g/mol
EC Number: 231-818-8
MDL Number: MFCD00011409
| Property |
Value |
| Assay |
min. 99.0 % |
| PH (5 %, 25 °C) |
5.0 - 8.0 |
| Water insoluble matter |
max. 0.005 % |
| Ammonium (NH4) |
max. 0.001 % |
| Calcium (Ca) |
max. 0.001 % |
| Copper (Cu) |
max. 0.0005 % |
| Iron (Fe) |
max. 2 ppm |
| Magnesium (Mg) |
max. 0.002 % |
| Sodium (Na) |
max. 0.005 % |
| Lead (Pb) |
max. 0.0005 % |
| Zinc (Zn) |
max. 0.0005 % |
| Heavy metals (as Pb) |
max. 5 ppm |
| Chloride (Cl) |
max. 0.001 % |
| Iodate (IO3) |
max. 5 ppm |
| Nitrite (NO2) |
max. 0.001 % |
| Phosphate (PO4) |
max. 5 ppm |
| Sulfate (SO4) |
max. 0.002 % |
| Property |
Value |
| Freezing point |
335 °C |
| Density |
2.11 g/cm3 |