Physical & Chemical Description
Food Grade Sodium tripolyphosphate(STPP)
Quality standard: (GB25566-2010, FCC-V)
CAS No: 7758-79-4
Sodium tripolyphosphate(STPP),food additive,chemical product
ChemicalName:SodiumTripolyphosphate,Sodium Triphosphate
M. F:Na5P3O10
M.W:367.86
Quality standard: (GB25566-2010, FCC-V)
Physicalproperties:White crystal powder,melting point is 622°C,easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+,Mg2+,can soften hard water,change suspension into solution,alkalescent,without causticity.
Usage: In food industry, it is used as water conservative, applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
Storage and transport: It should be stored in a dry, ventilative and clean warehouse; kept away from moisture and heat, and stored separately from poisonous substances.
Technical Specifications
|
Test Items |
Standards |
|
SODIUM TRIPOLYPHOSPHATE(NA5P3O10) ≥ |
94% |
|
P2O5 ≥ |
57.0 |
|
WATER INSOLUBLE MATTER≤ |
0.1% |
|
PH VALUE (1% SOLUTION) |
9.2-10.3 |
|
IRON(FE) ≤ |
0.015% |
|
|
90 |
|
DENSITY(G/ML) |
0.55-0.65, |
Packing
Packing: In 25kg composite plastic woven/paper bag with PE liner.
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