Potassium 19 K 39.0983

Potassium Sulfate ACS Powder

Jost Code: 2681

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

Chemical Formula
K2SO4
CAS Number
7778-80-5
Molecular Weight
174.26
Use
Laboratory Reagent
Description
White, granular or powder; odorless
Containers
100 kg / 220 lb. fiber drums; 25 kilogram packs EU only
Storage
Store in a clean, dry warehouse in the original unopened containers.
Revision Date
12/22/05
Assay
99.0% minimum
Solubility
Clear/colorless
Insoluble Matter
0.01% maximum
Sodium (Na)
0.02% maximum
pH of 5% solution
5.5 - 8.5
Chloride (Cl)
0.001% maximum
Nitrogen Compounds (N)
5 ppm maximum
Heavy Metals (as Pb)
5 ppm maximum
Iron (Fe)
5 ppm maximum
Calcium
0.01% maximum
Magnesium
0.005% maximum