Sodium tripolyphosphate, also known as pentasodium phosphate, sodium pyrometaphosphate, STPP and pentasodium tripolyphosphate. White powdery crystals with good fluidity, easily soluble in water, and their aqueous solution is alkaline.
CAS No. :
7758-29-4EINECS :
231-838-7Package :
25KG/BAGBrand :
TOPINCHEM®Origin :
CHINAFormula :
Na5O10P3Minimum Order :
200KGItem :
Sodium TripolyphosphateHigh Purity Food Grade Sodium Tripolyphosphate CAS 7758-29-4
Description
Sodium tripolyphosphate is used as a food additive in fruits and vegetables to reduce the toughness of the outer skin, soften the skin in the production of canned fava beans, and can also be used in dairy and dairy products, frozen drinks, nuts, cocoa and chocolate products, wheat flour and its products, baked goods, puffed foods, canned aquatic products, cooked meat products, etc.
Specification
Items | Testing result | Standard |
Na5P3O10, % | 95.64 | ≥85.0 |
P2O5, % | 57.45 | 56.0~58.0 |
Water insoluble, % | 0.01 | ≤0. 1 |
As, mg/kg | 1 | ≤3 |
Heavy metal(as Pb), mg/kg | <10 | ≤10 |
Pb, mg/kg | 1 | ≤2 |
Fluoride (as F), mg/kg | 2 | ≤20 |
pH value, (1% solution) | 9.92 | 9.1~10.1 |
Turbidity (NTU) | 5.03 | |
Bulk Density (g/cm3) | 0.85 | |
Whiteness | 93.03 | |
Color | white | white |
Appearance | powder | powder or crystal |
Application
Sodium tripolyphosphate is used as a detergent, as an additive, soap enhancer, and to prevent soap crystallization and frost. It is also an effective dispersant for industrial water softeners, leather pre tanning agents, dyeing aids, oil well mud control agents, oil stain prevention agents for paper making, and suspension treatment of paints, kaolin, magnesium oxide, calcium carbonate, and other materials. Food grade sodium tripolyphosphate can be used as a food improver for various fish and meat products, and as a clarifying agent for beverages.