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 : Emulsifier; sequestrant,etc.
- 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: 25 KG plastic woven bag lined with PE liner or 25 KG net paper bag
Uses : Emulsifier; water-retainer, sequestrant,etc.
Molecular Structure:
Product description:
1, Chemical Name:Sodium Tripolyphosphate,Sodium Triphosphate
2, M. F: Na5P3O10
3, M.W:367.86
4,Specification: White microdot powder with luster, melting point at 622,freely soluble in water , easily chelate with metallic ions such as Ca2+,Mg2+, has hygroscopic property.
5, Quality standard: (QB1034-1991, FCC-V, GB/T9983-2004)
Name of index QB1034-1991 FCC-V GB/T9983-2004
Sodium Tripolyphosphate ≥% 95 85 95
P2O5 ≥% 57 - 57
Fluoride (F) ≤% 0.003 0.005 -
Arsenic (As) ≤% 0.0003 0.0003 -
Heavy Metal (Pb) ≤% 0.001 0.002 -
Chloride (as Cl) ≤% 0.025 - -
Sulfate (as SO42-) ≤% 0.4 - -
Insoluble Substances ≤% 0.05 0.1 0.05
pH (1% aqueous solution)9.5 -10.0 9.5 9.5-10.0
Whiteness ≥% 85 - 80
Lead ≤% - 0.0002 -
6, Function: Emulsifier; sequestrant,etc.
7. Package: Woven bag lined with PP,25kg/bag.Or,as per customers’ requirements.
8. Storage and transportation: Store in tight containers in a dry and ventilated warehouse. Keep away from moisture, hot and poisonous substances.
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