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Shanghai Ruizheng Chemical Technology Co., Ltd.
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1. Sodium tripolyphosphate(STPP)
2. Quality standard: (GB25566-2010, FCC-V)
3. ISO9001, ISO22000, KOSHER, HALAL, FDA
Sodium tripolyphosphate(STPP),food additive,chemical product
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 622C,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 conservative, applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
7,Packing: In 25kg composite plastic woven/paper bag with PE liner.
8,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.