Sodium Tripolyphosphate STPP

Product Description

Chemical name

Sodium Tripolyphosphate, Sodium Triphosphate

Molecular formula

Na₅P₃O₁₀

Molecular Weight

367.86

Performance

White crystal powder,melting point is 622ºC,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.

Quality standards

(GB25566-2010,FCC-V)

Name of index	GB25566-2010	FCC-V
Sodium Tripolyphosphate ≥%	85	85
P2O5 ≥%	56.0-58.0	-
Fluoride (as F) ≤%	0.005	0.005
Arsenic (As) ≤%	0.0003	0.0003
Heavy Metal (as Pb) ≤%	0.001	-
Chloride (as Cl) ≤%	-	-
Sulfate (as SO42-) ≤%	-	-
Water Insoluble ≤%	0.1	0.1
pH (1% aqueous solution)	9.5-10.0	-
Whiteness ≥%	-	-
Pb ≤%	0.0004	0.0002

Uses

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.

Packing

In 25kg composite plastic woven/paper bag with PE liner.

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.

Packaging Details
1).25 kg in plastic bag
2).customized package