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  1. Sodium triphosphate (STP), also sodium tripolyphosphate (STPP), or tripolyphosphate (TPP), [1]) is an inorganic compound with formula Na 5 P 3 O 10. It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid. It is produced on a large scale as a component of many domestic and industrial products ...

    • Na₅P₃O₁₀
    • 367.864 g/mol
    • 622 °C (1,152 °F; 895 K)
    • 14.5 g/100 mL (25 °C)
  2. Jun 25, 2020 · Sodium tripolyphosphate (STPP), the sodium salt of the polyphosphate penta-anion, also known as pentasodium tripolyphosphate or sodium triphosphate (different with trisodium phosphate), is a synthetic ingredient mainly used for retaining moisture in fish. The European food additive number for it is E451 (i).

    • White powder or granular powder
    • Soluble in water, insoluble in ethanol
    • 7758-29-4
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  4. Sodium tripolyphosphate (STPP), also known as sodium triphosphate, is the sodium salt of triphosphoric acid. STPP is a colorless salt that exists both in anhydrous form Na 5 P 3 O 10 and in hexahydrate form H 12 Na 5 O 16 P 3. It is frequently used as a food preservative and as a water softener in commercial detergents.

  5. Jun 18, 2023 · Understanding Sodium Tripolyphosphate. Sodium Tripolyphosphate (STPP) is an inorganic compound with the chemical formula Na5P3O10. It is a white, crystalline powder that is highly soluble in water. STPP is derived from phosphoric acid and sodium hydroxide and is commercially available in various grades. Properties and Features:

  6. Aug 26, 2013 · Food-grade phosphates have been reviewed extensively and in more detail on their properties and uses. 2-6 The uses and functions of food-grade phosphates will be briefly described by food commodity here. Meat, poultry, and seafood. Sodium tripolyphosphate (STPP) is the primary nonchloride salt used in the processing of muscle foods.

    • Lucina E. Lampila
    • 2013
  7. Sodium tripolyphosphate (STPP) is a synthetic preservative that helps processed food retain tenderness and moisture during storage and transportation. It’s a source of excess dietary phosphorous, which can cause cardiovascular and kidney problems. According to the National Institute for Occupational Safety and Health (NIOSH), STPP is a ...

  8. Sodium Tripolyphosphate is a white powder used as a stabilizer, preservative, emulsifier in seafood, meats, poultry, and animal feeds. Sodium Tripolyphosphate is used to improve the whipping properties of egg-containing angel food cake mix and meringues. Sodium Tripolyphosphate can also reduce gelling of juices and canned ham and tenderize ...

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