White power,apparent density:0.35-0.90/ml,melting point 622,easily dissolving in water;water solution is alkaline(PH value of 1% solution is 9.7);can hydrolyze into phosphate in water,has good ability in complexing metal ions;can be used to soften water;has some surfactent properties.Applicantion:1.mainly used as syndet adjuvant,soap synergist and prevent bar soap from oiling off and blooming;2.has strong emulsification on lubricant and fats;3.can be used to adjust the PH value of butter soap solution,4.can be used as water softener for industrial water;pretanning agent and dyeing adjuvant;drilling mud dispersant;dispersant in preparing suspension in paint,kaolinite,magnesiium oxide,calcium carbonate etc;oil-proofing agent and antifoulant in paper industry.Packing:Net 25kg/50kg/100okg woven bag,stored in dry,clean and well ventilated place.