Sodium hexametaphosphate (shmp) Sodium hexametaphosphate(shmp) Standard executed: hg/t2519-1998 Molecular formula: (napo3)6 Mw: 611.82 Description: white, density is 2.484(20 ), soluble in water easily, but not in organic a fine water agent. Usage: as for industrial grade, it is mainly used as soft water agent in the solution for industrial and dyeing and boiler; combine of papermaking; slow corrode, floating agent, dispersant medium high temperature lowering, clash and soil analytical chemistry regent. For food grade, it is mainly used as additive agent, ph adjustive agent and ferment agent, nourishment. Packing: plastic knit bag, net weight 25kg. Store at ventilated dry places. Technical specifications: Specifications industrial grade food grade Total phosphate, as p2o5 % 68.0 68.0 Inactive phosphate, as p2o5% 7.50 7.50 Fe% 0.05 0.05 Ph of 1% solution 5.8-7.0 5.8-6.5 Solubility through test through test Heavy metals, as pb% 0.001 Arsenic % 0.0003 Fluoride % 0.003 Water insoluble % 0.05 0.06 25kg bag