White granular crystal, relative density at 1.619g/cm3, melting point at 155 , easily soluble in water, insoluble in alcohol, Uses:As a fire-prevention agent for fabric, timber and paper. For food grade it is mainly used as a fermentation agent, nourishment, and so on. Used as a high effective non-chloride N, P compound fertilizer in agriculture. It contains totally 74% fertilizer elements, used ...