Product Name: Sodium Tripolyphosphate
Classification: Phosphate
CAS No.: 7758-29-4 Other
MF: Na5P3O10
Place of Origin: Henan, China (Mainland)
Grade Standard: Food Grade, Industrial Grade
Purity: 94%
Appearance: White Powder
Melt Point: 622
Density: 0.35-0.9
Molecular weight: 367.86

 

ITEM	INDEX
	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) (%)	N	0.001Max
Arsenic (As) (%)	N	0.0003Max
Fluoride(F)	N	0.003Max
Whiteness(%)	90Min	90Min
Density	0.35-0.9	0.35-0.9
I type content (%)	10-30	10-30

Properties
Sodium tripolyphosphate is a white powder or slightly granular material. Melting point 622°C; Density: 0.35-0.9g/cm3; Easily soluble in water; Insoluble in ethanol; Aqueous solution appears acid; Free from extraneous material.
Application
1 Used as one of the main auxiliaries for synthetic detergent, synergist for soap;
2 Water softener, tanning agent for leather making, auxiliary for dyeing;
3 As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.;
4 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.
5 STPP is a multi-functional food additive.Used in food processing as quality improver, PH regulator, buffer, sequestrant emulsifier.
Storage
The product shall be stored in a clean, dry & cool area protected from exposure to moisture, foreign odors and other contaminants.
Packaging
Totally packed in 25kg paper bags net each with white or yellow color, or made to customer.