Diammonium Phosphate Fertilizer DAP Chemical formula:(NH4)2HPO4 Molecular weight:132.0 Standard executed :HG/T4132-2010(Tech grade) GB 30613-2014 (Food grade) Property:White crystal, Relative density is 1.619g/cm3, melting point is 155â??, easily soluble in water , insoluble in alcohol, PH value of 1%solution is 8.0 Uses:As a fire-prevention agent for fabric, timber and paper. Also as a raw maerials for ammonium polyphosphate of high polymerization. It may be used for makeding printing plates; in food industry it is mainly used as a fermentation agent, nourishment and so on; In agriculture, it is used as a high effective non-chloride N,P compound fertilizer and containing totally 74% fertilizer elements, it is often used as a basic raw material for N,P and K compound fertilizer. Packing:Plastic woven bag. Net weight 25 Kg, 50Kg ,1000Kg , store at a cool, dry and well ventilated place.