Potassium 19 K 39.0983

Potassium Phosphate Dibasic USP Powder

Jost Code: 2666

Synonyms: Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate

Potassium Phosphate can be used as a dietary supplement and as a nutrient. This product is known to be used in pharmaceuticals, in oral care products, as a laboratory reagent, and in fermentation and cell cultures. Potassium works with sodium to normalize heart rhythms and to regulate the body’s waste balance. It also preserves proper alkalinity of body fluids and assists in reducing high blood pressure. Product specifications, SDSs and certifications are available under Additional Information.

Chemical Formula
CAS Number
Molecular Weight
Oral Care; Nutrient; Dietary Ingredient; Pharmaceuticals; Laboratory Reagent; Fermention and Cell Cultures
White, powder product
55 lb. / 25 kg cartons
Store in a clean, dry warehouse in the original unopened containers.
Revision Date
98.0 - 100.5%
pH of 5% solution
8.5 - 9.6
Insoluble Matter
0.2% maximum
LOD @ 105°C
1.0% maximum
Chloride (Cl)
0.03% maximum
Sulfate (SO4)
0.1% maximum
Heavy Metals (as Pb)
0.001% maximum
Iron (Fe)
0.003% maximum
Sodium (Na)
To Pass Test
Arsenic (As)
3 ppm maximum
Carbonate (CO3)
To Pass Test
Fluoride (F)
0.001% maximum
Monobasic or Tribasic Salt
To Pass Test
Microbial Test Results
Aerobic Plate Count
1000 cfu / gram maximum
Yeast and Mold Count
100 cfu / gram maximum
Total Coliforms