Industrial Grade Potassium Nitrate CAS No:7757-79-1:
Molecular Formula:KNO3
CAS No.: 7757-79-1
Relative Molecular Weight: 101.1
Quality Standard: GB 1918-2011
Place of Origin: Shanxi, China (Mainland)
It occurs as a mineral niter and is a natural solid source of nitrogen. Potassium nitrate is one of several nitrogen-containing compounds collectively referred to as saltpeter or saltpetre.
It can cause combustion or explosion in contact with reducing agent carbon, sulfur, titanium and other metal powders.
|
Index Name |
Qualified Grade |
Agricultural Grade |
Actual Value |
|
Purity (KNO3-) % ≥ |
99 |
98 |
99.4 |
|
Water content (H2O) % ≤ |
0.30 |
1.0 |
0.06 |
|
Chloride content (based on Cl) % ≤ |
0.10 |
0.30 |
0.009 |
|
Insoluble substance in water % ≤ |
0.05 |
— |
0.007 |
|
Sulfate content (based on SO42) % ≤ |
— |
— |
0.005 |
|
Fe % ≤ |
— |
— |
0.003 |
|
K2O % ≥ |
— |
45.5 |
46 |
|
N % ≥ |
— |
13 |
13.5 |
