Sodium Tripolyphosphate (STPP)

Sodium Tripolyphosphate (STPP)

Sodium tripolyphosphate is used in the food industry as an emulsifying agent and quality improver agent

Introduction

White powder; Melting point 622°C; Easily soluble in water; It has salient chelating capacity to ions of Ca and Mg etc. and can soften hard water to make suspension solution become into clear solution; It has weak alkalinity but no corrosiveness. It is a surfactant, and has outstanding emulsification to lubricants and fat.

Sodium tripolyphosphate is used in the food industry as an emulsifying agent and quality improver agent, for example, including processed meat processed seafood, processed cheeses, noodles product.  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 serve as a softener or densifier in foodstuff industry.

Functions and Applications

ITEMS
INDEXES
Product Name
Sodium Tripolyphosphate STPP Food Grade
Appearance
White Powder
Main Content(Na5P3O10)
94%min
Total Phosphate(P2O5)
56-58%min
Insoluble Substance
0.1%max
Heavy Metal(as Pb)
10mg/kg
Pb
4mg/kg
As
3mg/kg
F
50mg/kg


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