Origin	China
Model Number	CAS:7758-29-4
CAS No.	7758-29-4

STPP,phosphate,food additive.

1??/span>Chemical Name??span style="font-family: Times New Roman;">Sodium Tripolyphosphate??/span>Sodium Triphosphate

2??/span>M. F:Na₅P₃O₁₀
3??/span>M.W:367.86

4??/span>Physical properties ??/span>White microdot powder with luster??/span>melting point at 622???easily soluble in water ??/span>with remarkable chelating ability to some metal ions such as Ca²⁺

??/span>Mg²⁺??/span>can soften hard water??/span>change suspension into solution??/span>alkalescent??/span>without causticity

??br />5??/span>Quality standard:??/span>QB 1034-1991??/span>FCC-???

?Name of index	?/span>QB 1034-1991	FCC-??/span>
Sodium Tripolyphosphate?≥%	95	85
P2O5?????????????? ≥%	57	-
Fluoride (as F)?????≤%	0.003	0.005
Arsenic (As)??????≤%	0.0003	0.0003
Heavy Metal (as Pb)???≤%	???0.001	0.001
Chloride (as Cl)?????≤%	0.025	-
Sulfate (as SO42-)???? ≤%	0.4	-
Water Insoluble????? ≤%	0.05	0.1
pH (1% aqueous solution)??	9.5 -10.0	-
Whiteness????????≥%	85	-
Pb??????????? ≤%	-	0.0002

6??/span>Usage:Used as moisture conservative. Applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.

7??/span>Packing: It is packed with ployethylene bags as line-r , and a woven bag as the outer layer. The net weight of each bag is 25kg.
8??/span>Storage and transport: It should be stored in a dry . ventilative and clean warthouse; kept away from moisture and hot, Furthermore, it should be stored separstely from poisonous Substances.