Product: Sodium Hexametaphosphate; SHMP; Sodium Hexameta phosphate; Sodium Metaphosphate; Sodium Phosphate Chemical formula: (NaPO3)6 Standard executed: HG/T2837-1997 Molecular weight: 611.82 CAS No.: 10124-56-8 . Properties: 1. Appearance: White powder; 2. Relative density: 2.484 (20 degree centigrade); 3. Solubility: Easily soluble in water, but not in organic solution; 4. Absorbent to dampness, and turn sticky when absorbed dampness in air; 5. Can form soluble chelate with metallic ions such as Ca, Ba, Mg, Cu and Fe . Application: 1. Technical grade: Used in such industries as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, and used as a water softening agent in solution for printing, dyeing, and boiler, as diffusant in papermaking; Retarding agent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemical reagent; 2. Food grade: Mainly used as additive agent, pH adjusting agent, fermenting agent, and nourishment, etc. 25kg in plastic woven bag with polythene liner; Stored in ventilated and dry place.