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Sodium Tripolyphosphate

CAS Number: 7758-29-4
Molecular formula: Na5O10P3
Molecular weight: 367.86
EINECS number: 231-838-7
Type:Feed Grade
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What is Sodium Tripolyphosphate?

Sodium triphosphate (STP), also sodium tripolyphosphate (STPP), or tripolyphosphate (TPP),[1]) 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. 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.

Sodium tripolyphosphate is produced by heating a stoichiometric mixture of disodium phosphate, Na2HPO4, and monosodium phosphate, NaH2PO4, under carefully controlled conditions.



Tech. Grade Food Grade
Na5P3O10 (%): 94Min 94
P2O5 (%): 57Min 57
Insolubles in water (%): 0.15Max 0.05Max
Fe (%): 0.007Max N
Ph (1% solution): 9.2-10 9.5-10
Heavy Metal (As Pb) (%): N 0.01Max
Arsenic (As) (%): N 0.0003Max
Fluoride(F) (%): N 0.003Max
Whiteness(%): 90Min 90Min
Density (g/cm3) 0.35-0.9 0.35-0.9
Itype content (%) 10-30



Sodium tripolyphosphate is Generally Recognized as Safe (GRAS) in animal feeds by the Association of American Feed Control Officials. This means that under the conditions of intended use, experts qualified to evaluate the safety of sodium tripolyphosphate have deemed it safe to use.

Sodium Tripolyphosphate is used as canned pets, animal feed, aquatic feed, vitamin feed, veterinary drug products, etc.


Sodium Tripolyphosphate Supplier

Green Agri enjoys long term relationships with our clients because we focus on customer service and providing great products. If you are interested in our products, we are flexible with the customization of orders to suit your specific need and our quick lead time on orders guarantees you’ll have great tasting our products on-time.

We also focus on value-added services. We are available for service questions and information to support your business.

Why Choose Sodium Tripolyphosphate?

Green Agri specialize in Sodium Tripolyphosphate powder for sale for several years, we supply products with competitive price, and our product is of the highest quality and undergoes strict, independent testing to ensure that it is safe for consumption around the world.

Where to buy Sodium Tripolyphosphate?

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Why choose us?

  • For all your intermediate needs, you can count on us to deliver the highest quality products.
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  • Our team of experts is always on hand to provide technical support and guidance to our customers.
  • Our company pays attention to quality control, and constantly strive to provide customers with first-class quality Sodium Tripolyphosphate.
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