CAS No.: 7778-77-0 Molecular Formula KH2PO4 Specification: 99.0%MIN, Technical/ Feed Grade PropertiesWhite or colorless crystal, easily soluble in water Application Used to manufacture metaphosphate in medical or food industry. Used as a high effective K and P compound fertilizer. It contains totally 86% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer.