MKP [IDENTIFICATION] Monopotassium Phosphate (Industrial Grade) [CHEMICAL FORMULA] KH2PO4 [SPECIFICATIONS] Item Internal Quality Control Index* Main Content(KH2PO4 Unit) % 98.0min Moisture(H2O) % 2.5max PH(1% Water Solution) 4.3~4.7 Water Insoluble % 0.2max Chloride Content(Cl Unit) % 0.20max Iron Content(Fe Unit) % 0.003max Arsenic Content(As Unit) % 0.005max Heavy Metal Unit(Pb Unit) % 0.005max K2O(K2O Unit) 33.9min *Tip: Customization is available.