Potassium 19 K 39.0983

Potassium Nitrate ACS Crystals

Jost Code: 3660

Synonyms: Saltpeter, Saltpetre, Nitrate of Potash

Potassium Nitrate can be used as a laboratory reagent. Product specifications, SDSs and certifications are available under Additional Information.

Chemical Formula
KNO3
CAS Number
7757-79-1
Molecular Weight
101.1
Use
Laboratory Reagent
Description
White or colorless crystal
Containers
55 lb/25 kg cartons
Agglomeration
Potassium Nitrate crystals tend to agglomerate. Agglomeration is a normal occurrence for this chemical.
Storage
Store in a clean, dry warehouse in the original unopened containers.
Revision Date
08/02/2021
Assay
99.0% minimum
pH
4.5 - 8.5
Insoluable Matter
0.005% maximum
Heavy Metals
5 ppm maximum
Chloride
0.002% maximum
Iodate
5 ppm maximum
Phosphate
5 ppm maximum
Sulfate
0.003% maximum
Iron
3 ppm maximum
Calcium
50 ppm maximum
Magnesium
20 ppm maximum
Sodium
50 ppm maximum
Nitrite
0.001% maximum
Microbial Test Results
Aerobic Plate Count
1000 cfu/g maximum
Yeast and Mold Count
100 cfu/g maximum
Total Coliforms
Negative