Potassium 19 K 39.0983

Potassium Phosphate Monobasic ACS Crystals

Jost Code: 2670

Synonyms: Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate

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

Chemical Formula
KH2PO4
CAS Number
7778-77-0
Molecular Weight
136.09
Use
Laboratory Reagent; Buffering Agent
Description
White, crystal product
Containers
68.2 kg/150 lb fiber drums; 25 kg cartons EU only. Additional packaging options: 50 kg poly drums, 12 kg poly pails.
Storage
Store in a clean, dry warehouse in the original unopened containers.
Revision Date
05/11/2021
Assay
99.0% minimum
pH (5%)
4.1 - 4.5
Insoluble Matter
0.01% maximum
LOD
0.2% maximum
Chloride
0.001% maximum
Sulfate
0.003% maximum
Heavy Metals
10 ppm maximum
Iron
0.002% maximum
Sodium
50 ppmmaximum
Lead
0.1 ppm maximum
Nitrite
Pass
Microbial Test Results
Aerobic Plate Count
1000 cfu/g maximum
Yeast and Mold Count
100 cfu/g maximum
Total Coliforms
Negative