Potassiumdihydrogenphosphate(MKP)
Alias:monopotassiumphosphate
CASNo.:7778-77-0
Molecularformula:KH2PO4
MW:136.08
Character:colorlesscubiccrystallizationorwhitecrystalpowder,Meltingpointis252.6 .Therelativedensityis2.338,anditdissolvesinwater.Itsaqueoussolutionisacidity.Butdoesn tdissolvesinethanol.Heatitupto400centirade,meltsandbecomestransparentliquid.Afterefrigerating,itbecomeopaquepotassiummetaphosphate.Anditiseasytodeliquesce.
Uses:usedasafertilizer,flavoringagent,brewingyeastcultureagent,andusedinmedicineandmanufacturingofpotassiummeta-phosphate.