Potassium phosphate monobasic has been used in the preparation of phosphate buffer and phosphate buffered saline (PBS). It has also been used in the preparation of PEG1000 poly ethylene glycol per potassium phosphate aqueous two-phase systems ATPS.

Potassium Phosphate Monobasic is used as a buffering agent to maintain and control pH levels in chemical pharmaceutical and laboratory applications. It also serves as a source of potassium and phosphate in fertilizers food processing and biological so

Potassium phosphate monobasic (monopotassium orthophosphate) is a water soluble inorganic salt. It acts a starting material in the synthesis of potassium metaphosphate.