Mono Potassium Phosphate( MKP) Molecular formula: KH2PO4 Properties: White or colorless crystal, easily soluble in water, relative density at 2.338 g/ cm3, melting point at 252.6centidegree , and PH value of 1% solution is 4.5. Uses: 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. Packing and storage: In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place. Guaranteed Technical Specifications: No. Specifications Food Grade 1 Main contents % min 99.0 2 P2O5 % min51.50 3 Potassium oxide ( K2O) % min 34.0 4 PH value of 1% solution 4.3-4.7 5 Moisture % max 0.20 6 Heavy metal, as Pb % max 0.001 7 Arsenic, as As % max 0.0003 8 Fluoride as F % max 0.005 9 Water insoluble % max 0.10 We can also manufacture industrial grade.