| CAS No.: | 7758-29-4 |
|---|---|
| Formula: | Na5p3o10 |
| EINECS: | 231-838-7 |
| Certification: | ISO, COA, MSDS, ISO |
| Purity: | 94%Min, 90%~99% |
| Type: | Sodium Tripolyphosphate |
| Samples: |
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| Customization: |
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Audited Supplier sodium tripolyphosphate tech grade for detergent powder STPP powder/granule
Sodium Tripolyphosphate is an inorganic compound with formula Na5P3O10, It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of tripolyphosphoric acid. It is produced on a large scale as a component of many domestic and industrial products, especially detergents. Environmental problems associated with eutrophication are attributed to its widespread use.
STPP is a preservative for seafood, meats, poultry, and animal feeds. It is common in food production as E number E451. In foods, STPP is used as an emulsifier and to retain moisture.
Specification of Food Grade Best Price STPP Sodium Tripolyphosphate
| Test | Result |
| Appearance | White Granular or Powder |
| Na5P3O10 | 95% min |
| P2O5 | 57.0% min |
| Water Insoluble | 0.05% max |
| pH Value | 9.5-10.0 |
| Fluoride | 10 mg/kg max |
| As | 1 mg/kg max |
| Lead | 1 mg/kg max |
| Cd | 1 mg/kg max |
| Hg | 1 mg/kg max |
| AI | 200 mg/kg max |
| Heavy Metals (As Pb) | 10 mg/kg max |
| Bulk Density | 0.70 g/ml-0.80 g/ml |
| Whiteness | 85% min |
| CI | By testing% |
| SO4 | By testing% |
| Loss on Ignition (105°C,1hour) | 0.5% max |
| Through 80mesh | 25% min |
| Through 100mesh |
45% min |
Application of Food Grade Best Price STPP Sodium Tripolyphosphate
Used as moisture conservative. Applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
7Packing: 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.
8Storage 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.
25kg bag, can be loaded 25MT in a 20'FCL for stpp
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