KH2PO4 will generate OH- ions when disolved in water (therefore pH is rising), because is a salt derived from a strong alkali (KOH) and a weak acid (H3PO4). This is the phenomenon occured in the alkaline hydrolysis of all salts derived from a strong alkali and a weak acid when disolved in water.

Is KH2PO4 an acid salt?

KH2PO4 – Monopotassium Phosphate Monopotassium Phosphate is the monopotassium salt of phosphoric acid with the formula KH2PO4. It is freely soluble in water and insoluble in ethanol.

What kind of compound is KH2PO4?

Monopotassium phosphate (MKP) (also, potassium dihydrogenphosphate, KDP, or monobasic potassium phosphate) is the inorganic compound with the formula KH2PO4. Together with dipotassium phosphate (K2HPO4. (H2O)x) it is often used as a fertilizer, food additive, and buffering agent.