Molecular formula : Na2HPO4 Molecular weight : 141.98 Standards : Enterprise standard Property : White powder, easy soluble in water, insoluble in alcohol, easy to absorb water, pH value of 1% aqueous solution is 9.1. Specification : available at request Use : used as boiler water softening agent, the flame retardant and waterproof agent for woods, papers and textiles, dyes auxiliaries, treating agent in electroplating industry,glaze, flux, and the production of purgative prescription. The food grade is used as additive to produce baking powder, etc.