Sodium Hexametaphosphate

Alternate Text

Molecular formula: (NaPO3)6

Molecular weight: 611.17

CAS No.: 10124-56-8

Property:White powder, specific gravity is 2.484 at 20ºC. Melting point is 616℃. Soluble in water easily but not in organic solvent. Fine soft water agent.


Use mainly as a softener and anticorrosion agent for industrial water, diffusion agent of manufacture paper, bonding agent of blast-furnace refractory, floatation agent for ore-dressing, etc. Food grade can be used as quality improver in beverage, milk products and can goods etc, as PH adjuster and as metal ion adhesive, it can help to protect color of food, to emulsify fats in meat cans and to keep beer from muddling.

Packing:Net in 25KG plastic woven bag.





Total phosphate (as P2O5) Content

68% Min

68% Min

Inactive phosphate (as P2O5) Content

7.5% Max

7.5% Max

Water-insoluble matter

0.04% Max

0.06% Max


0.03% Max

0.02% Max

Heavy metals(as Pb)


0.001% Max

Arsenide (as As)


0.0003% Max

Fluoride (as F)


0.003% Max

PH Value




Is a specialized manufacturing and operating chemical enterprise Our company own variety of export products which are widely used in chemical, pharmaceuticals, textile printing & dyeing, leather processing, fertilizer, water treatment, construction industry, food &feed additives and other areas. Oxalic acid, formic acid, sodium formate, calcium formate, sodium sulphide, series of humic acid, sodium hydrosulphide, ammonium chloride, sodium thiosulfate, and calcium nitrite are partial strong products. Among them, STPP occupy largest export volume and export to more than 20 countries and regions in America , Asia, Africa and other continents, winning customers praise with its superior quality , favorable price and excellent service. For over 10 years, stick to business philosophy of" you should give your customer what they really need not what you think they need ", Verdi has built long term & stable trade relationship with more than 45 countries and regions in the world. sincerely hope to cooperate with more clients in the world and seek common developments.