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Sodium tripolyphosphate (Na5P3O10)-Granules

Sodium tripolyphosphate (Na5P3O10)-Granules

CAS: 7758-29-4
Molecular Formula: Na5P3O10
Purity: 90%
Products Code: TR11150802GN
Specification Model: 1-3mm
EINECS No.: 231-838-7
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Sodium tripolyphosphate (Na5P3O10)-Granules introduce:



Sodium triphosphate (STP), also sodium tripolyphosphate (STPP), or tripolyphosphate (TPP) is an inorganic compound with formula Na5P3O10. It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid.

Chemical formula:Na5P3O10

Molar mass: 367.864 g/mol

Appearance: white

Density: 2.52 g/cm3

Melting point: 622 °C (1,152 °F; 895 K)

Solubility in water:14.5 g/100 mL (25 °C)




Sodium tripolyphosphate is used in water softening, heavy-duty fabric washing, automatic dish washing, drilling fluid cleaning and liquid cattle feed supplements. It is also used as a peptizing, emulsifying, dispersing agent and as a hydrogen peroxide solution stabilizer. It acts as a preservative for seafood, meats, poultry, and animal feeds. It finds application as a polyanion crosslinker in polysaccharide based drug delivery. Further, it is used as a sealant for leaking farm ponds and a calcium and magnesium chelating agent. In addition to this, it is used in ceramics, leather tanning, flame retardants, paper pulping, paper coatings, textile processing, ore flotation, anticorrosion pigments and rubber production.
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