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13440 Sodium tripolyphosphate

CAS Number
7758-29-4
Synonyms
Sodium phosphate
Sodium triphosphate

Stock No. Size Price ($) Quantity Availability
13440-36 500g 26.40
13440-A3 2kg 70.60
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Sodium tripolyphosphate

MDL
MFCD00003514
EINECS
231-838-7

Chemical Properties

Formula
Na5P3O10
Formula Weight
367.91
Form
Granular
Melting point
622°
Storage & Sensitivity
Hygroscopic. Ambient temperatures.
Solubility
Soluble in water. Slightly soluble in methanol. Insoluble in diethyl ether and n-octanol.

Applications

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.

Notes

Hygroscopic. Incompatible with strong oxidizing agents and strong acids. Avoid moisture.

Literature References

Hu, X.; Zhang, Z.; Wang, G.; Yao, L.; Xia, Y.; Sun, A.; Gu, Y.; He, N.; Li, Z.; Yang, W. Preparation of Chitosan-Sodium Sodium Tripolyphosphate Nanoparticles via Reverse Microemulsion-Ionic Gelation Method. J. Bionanosci. 2015, 9 (4), 301-305.

Speroni, F.; Szerman, N.; Vaudagna, S. R. High hydrostatic pressure processing of beef patties: Effects of pressure level and sodium tripolyphosphate and sodium chloride concentrations on thermal and aggregative properties of proteins. Innovative Food Sci. Emerg. Technol. 2014, 23, 10-17.

Hazard Statements:

May be harmful if swallowed. May be harmful in contact with skin. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements:

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,8697
Harmonized Tariff Code
2835.31
TSCA
Yes
RTECS
YK4570000

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