Sodium Hexametaphosphate

We are offering sodium hexametaphosphate.
1:cas:10124-56-8
2:formula:(napo3)6
3: color: white
sodium hexametaphosphate
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.
specification:
item
purity
main content (based on p2o5) %min68.0
inactive phosphate(based on p2o5) %min7.5
ph value(1% aqueous solution)5.8-7.3
iron (fe) %max0.05
solubility qualified
water insoluble %min0.05