Monopotassium phosphate (also potassium dihydrogen phosphate, KDP, or monobasic potassium phosphate, MKP) -- KH2PO4 -- is a solu Monopotassium phosphate IUPAC name[hide]Potassium dihydrogen phosphateOther names[hide]Potassium phosphate monobasicPhosphoric acid, monopotassium saltIdentifiersCAS number7778-77-0 YPubChem516951ChemSpider22914 NUNII4J9FJ0HL51 YRTECS numberTC6615500Jmol-3D imagesImage ...