Sodium Tripolyphosphate
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- Category :
Food and Feed additives/Food additives
- CAS NO : 7758-29-4
- EC NO : 231-838-7
- Molecular Formula : Na5P3O10
- Main Specifications : FCC-IV,
- Synonyms : pentasodium triphosphate;Pentasodium Tripolyphosphate;Sodium Phosphate Tripoly;STPP;Triphosphoric acid, pentasodium salt;Pent-sodium Phosphate;Sodium triphosphate;Sodium Tripolyphos;sodium phosphate (3:1);
Package: it is packed with plastic bag as liner, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
Uses : Used as moisture conservative. Applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
Molecular Structure:
Product description:
1、Chemical Name:Sodium Tripolyphosphate、Sodium Triphosphate
2、M. F:Na5P3O10
3、M.W:367.86
4、Physical properties :White microdot powder with luster,melting point at 622,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: (QB1034-1991、FCC-iv、GB/T9983-2004)
Name of index QB1034-1991 FCC-Ⅳ GB/T9983-2004
Sodium Tripolyphosphate ≥% 95 85 95
P2O5 ≥% 57 - 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 0.05
pH (1% aqueous solution) 9.5 -10.0 - 9.5-10.0
Whiteness ≥% 85 - 80
Pb ≤% - 0.0002 -
6、Usage:Used as moisture conservative. Applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
7、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、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.