Sodium Tripolyphosphate

Buy Sodium Tripolyphosphate in packs of 1Kg, 5Kg and up to 25Kg bags. The price of the different formats of Sodium Tripolyphosphate can be seen when you select the format you want. The order is made directly through the Web following the steps indicated, and the delivery arround Europe is made in 4-5 days with UPS. In case you have any doubt please contact us.

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SKU: ALCS4 Category:

Sodium tripolyphosphate is a chemical also known as STPP, sodium tripolyphosphate or TPF. Sodium tripolyphosphate occurs as white crystals or grains. It is soluble in water but not in organic solvents. Sodium tripolyphosphate is used in different industries: agriculture, construction, paper manufacturing. This compound is a commonly used ingredient in the manufacture of soaps and detergents for various reasons. It reduces water hardness by attracting calcium and magnesium ions. It also has a flocculant component, i.e. it keeps dirt in suspension, making it easier to clean.


Name: Sodium Tripolyphosphate
CAS: 7758-29-4
EC: 231-838-7

  • Appearance: Solid, white powder or granules (hydroscopic)
  • Odour: Odourless
  • pH (1% H2O solution): 9.1-10.2
  • Melting point: 622ºC
  • Flash point: Non-flammable
  • Flammability (solid, gas): Non-flammable
  • Density at 20ºC: 2.5-3.05 g/cm3
  • Bulk density at 20ºC: 450-1000 kg/m3
  • Solubility in water (20ºC): 148 g/l
  • Decomposition temperature: 622ºC


  • Laboratory substance
  • Metal treatment
  • Textile and leather processing
  • Water treatment
  • Cleaning product
  • Drilling fluid (oil and other)
  • Detergent
  • In the construction and building products sector












Product Ref. Document
Sodium Tripolyphosphate ALQ0045 Material Safety Data Sheet MSDS:    EN          &nbsp  
Sodium Tripolyphosphate ALQ0045 Technical specifications
You can also see the Material Safety Data Sheets (MSDS) of all products in this section: MSDS
Weight 1 kg
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1 review for Tripolifosfato de Sodio

  1. Margarita -

    Great product and speed, thank you!

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