STPP Sodium tripoly phosphate
Molecular Formular: Na5P3O10
CAS No.: 13573-18-7
Appearance: White powder or granular
Molecular Formular: Na5P3O10
CAS No.: 13573-18-7
Appearance: White powder or granular
Product: STPP Sodium tripolyphosphate
Molecular Formular: Na5P3O10
Molecular Formular: Na5P3O10
CAS No.: 13573-18-7
Appearance: White powder or granular; Easily soluble in water;
Specification:
|
ITEM
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INDEX
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|
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Tech. Grade
|
Food Grade
|
|
|
Na5P3O10 (%):
|
94Min
|
95Min
|
|
P2O5 (%):
|
57Max
|
57Max
|
|
Insolubles in water (%):
|
0.15Max
|
0.05Max
|
|
Fe (%):
|
0.007Max
|
N
|
|
Ph (1% solution):
|
9.2-10
|
9.5-10
|
|
Heavy Metal (As Pb) (%):
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N
|
0.001Max
|
|
Arsenic (As) (%):
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N
|
0.0003Max
|
|
Fluoride(F) (%):
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N
|
0.003Max
|
|
Whiteness(%):
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90Min
|
90Min
|
|
Density
|
0.35-0.9
|
0.35-0.9
|
|
I type content (%)
|
10-30
|
10-30
|
Uses:
STPP Used in detergent, synergist for soap; water softener; tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production. 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.
Packing: In 25kg/1000kg net each PP/PE bag