Sodium Tripolyphosphate STPP 94% Min

Sodium Tripolyphosphate STPP 94% Min (STP, TPP, Triphosphoric acid, pentasodium tripho)

Molecular Formula: Na5P3O10
CAS No.: 7758-29-4
Einecs: 237-004-9
Industrial Grade
Na5P3O10: 94.0%Min
P2 O 5 : 57.0%Min
Water Insoluble Matter: 0.15%Max
Iron(Fe): 0.015%Max
PH value (1% water solution): 9.2-10.0
Whiteness: 92%Min
Ignition loss: 1.0
density (g/cm3): 0.35-0.9
Phase I: 10-30

Food Grade
Na5P3O10: 94.0%Min
P2 O 5 : 57.0%Min
Water Insoluble Matter: 0.04%Max
Iron(Fe): 0.006%Max
PH value (1% water solution): 9.5-10.0
Heavy Metal (as Pb): 0.001%Max
Arsenic (As): 0.0003%Max
Fluoride (F): 0.003%Max
Whiteness: 92%Min
density (g/cm3): 0.35-0.9
Phase I: 10-30


Re: STPP tech grade
Appearance : white granular
Specification:
Na5P3O10: 94% min
P2O5 : 57% min
Substances not dissolved in water: 0.1% max
Fe : 0.015% max
PH value(1% of solution): 9.2-10.0
Whiteness : 85% min
Remain(testing sieve 1.00mm): 5.0% max
Size: 20-60 mesh

Re: STPP tech grade
Appearance : white powder
Specification:
Na5P3O10: 94% min
P2O5 : 57% min
Substances not dissolved in water: 0.1% max
Fe : 0.015% max
Heavy metal : 0.002% max
As: 0.0005% max
Pb:
Ash:
PH value(1% of solution): 9.2-10.0
Whiteness : 85% min
Remain(testing sieve 1.00mm): 5.0% max
25kg/bag 22MT/20'FCL

1) .as one of the main auxiliaries for synthetic detergent, synergist for soap; water softener. 2).Tanning agent for leather making, auxiliary for dyeing; 3).As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; 4).As an oil contamination resistance agent in paper production. 5).In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry.