sodium hexametaphosphate - 535

Product name: sodium hexametaphosphate or abbreviated to SHMP
Chemical formula: Na6P6O18P
CAS No.: 10124-56-8
Specification:
index Industrial grade Food grade
Total phosphate as P2O5%≥ 68 68
Inactive phosphate,as P2O5%≤ 7.5 7.5
Iron as Fe %≤ 0.05 0.05
Ph value (1% solution) %≤ 5.8-7.3 5.8-6.5
solubility qualified qualified
Heavy metals as Pb %≤ / 0.001
Arsenic as As %≤ / 0.0003
Fluoride as F %≤ / 0.003
Water insoluble %≤ 0.05 0.06

Properties:
White powder,density is 2.484(20℃)，easily soluble in water ,but not in organic solution,absorbent to dampness,and tum sticky when absorbed dampness in air ,it is possible to form solvent compound with metallic ions such as Ca Ba Mg Cu Fe ;it is a fine agent for water treatment.
Application:
for industrial use ,such as oil field,paper-making ,textile ,dyeing,petrochemical industry,tanning industry,metallurgical industry and building material industry it is mainly used as a water softening agent in solution for printing ,dyeing ,and boiler,diffusant in papermaking ,slow corrodent,floating agent ,dispersing medium,high temperature agglomerant,detergent and soil analytical chemistry reagent,for food grade ,it is mainly used as additive agent,ph adjusting agent and fermentation agent ,and nourishment.
Packaging:plastic-woven sack with inner polythene film;net weight at 25kg ,50kg or 1000kg ,store at a well ventilated ,dry place.