LIANYUNGANG KANDS CHEMICAL CO., LTD.
(K & S INDUSTRY LIMITED)
NO 4, Chaoyang East Rd, Xinpu District, Lianyungang, Jiangsu, China.
SPECIFICATION(TDS)
Sodium Tripolyphosphate (STPP)
1,Chemical Name:Sodium Tripolyphosphate,Sodium Triphosphate
2,M. F:Na5P3O10
3,M.W:367.86
4,Physical properties: 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.
5,Quality standard: (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 |
6,Usage: In food industry, it is used as water-retainer, applied in sea foods, canned foods, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products and so on.
7,Packing: In 25kg PP/kraft paper bag with PE liner.
8,Storage and transport: It should be stored in a dry, ventilated and clean warehouse; kept away from moisture and heat, and stored separately from poisonous substances.