Monopotassium phosphate, MKP KH2PO4, is a soluble salt of potassium and the dihydrogen phosphate ion which is used as a fertilizer, a food additive and a fungicide.
P 2217 (OTTO) Potassium phosphate, monobasic, GR 99%+ Cas 7778-77-0 - used in research and analytical laboratories as a buffer in mobile/sample preparations for analysis by high pressure liquid chromatography (HPLC) and also in organic synthesis. MKP, monopotassium phosphate, owing to its non-linear optical properties, Potassium phosphate, monobasic, GR 99%+ - used in optical modulators and for second-harmonic generation (SHG).