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Sodium Tripolyphosphate (STPP) Food Grade Synonym: Pentasodium Triphosphate, Sodium Tripolyphosphate Anhydrous: Sodium Triphosphate Anhydrous Formula: Na5 P3 O10 CAS No.: 7758 – 29 – 4 Molecular Weight: 367.86
Appearance: 1. White powder 2. White granular
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Supply Ability
Supply Ability: 1800 Metric Tons per Month
Packaging & Delivery
Packaging Details: In 25kg composite plastic woven/paper bag with PE liner.
Loading Port Lianyungang, Qingdao, Shanghai
Lead Time : within 15 days after receiving order
1,Chemical Name: Sodium Tripolyphosphate STPP
2,M.F: Na5P3O10
3,M.W:367.86
4,Physical properties: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.
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.
