Sodium Polyphosphate (STPP)


• Molecular Formula : Na5P3O10

• Appearance : White Crystal Powder

• CAS No : 7758-29-4

• HS No : 2835-31-0000

 


About Sodium Polyphosphate


• It corresponds to metaphosphate with variety of polymerization.

• It has strong ability to strengthen various metal ions and it also enhances dispersibility of colloid solution.


Application


• Food Additives

Binding agent of fish and meat, anti-tarnishing agent of canned fruit, pH buffers, cheese anti-aging agent, stabilizer of ice cream, emulsifying dispersant agent, stabilizer of meat processing, health supplement food, composite seasoning, processing of nut products, and processing of marine products, etc.

• Industrial Uses

Antiscales, water treatment agent, metal surface treating agent, metal ion blocking agent, synthetic detergent, abstergent, leather tanning, boring(enhancing clay quality), dyeing, photograph, cement, and synthetic rubber, etc.


Specification

Items

Tech

Food

Appearance

White Powder

White Powder

Purity (%)

56.0~58.0

53.0~80.0

Sulfate as SO4 (%)

-

Max. 0.048

Arsenic as As (ppm)

-

Max. 2.0

pH(1% sol'n)

9.0~10.2

Max. 4.0

Heavy Metal as Pb (ppm)

-

Max. 20.0

Iron as Fe (%)

Max 0.01

-

Loss On Drying (%)

Max 0.1

-

Packing Unit

25Kg PP+PE-Bag

25Kg PP+PE-Bag