As a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention coating, and dry powder for fire extinguisher. 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. Its total nourishment (N+P2O5 ) is at 73%, and may be used as a basic raw material for N, P and K compound fertilizer