Sodium trimetaphosphate
What is Sodium trimetaphosphate?
Sodium trimetaphosphate (CAS 7785-84-4), commonly abbreviated as STMP, is an inorganic cyclic phosphate salt.
Where is Sodium trimetaphosphate used?
- Food processing: crosslinks starch granules to improve heat and shear stability in canned goods, sauces, and instant food products
- Water treatment: sequesters calcium and magnesium ions, preventing scale formation in distribution systems and industrial cooling circuits
- Textile and paper manufacturing: dispersing and sequestering agent during processing baths
- Leather processing: buffering and chelating agent to regulate pH during tanning stages
- It also functions as a crosslinking agent, chelating agent, and buffering compound.
Other Names (Synonyms)
Trisodium trimetaphosphate|Trisodium metaphosphate|Cyclic sodium trimetaphosphate|Sodium phosphate ((NaPO3)3)|Metaphosphoric acid, trisodium salt|Sodium metaphosphate (Na3(P3O9))|Trisodium trimetaphosphate (Na3P3O9)|Cyclisches trinatriummetaphosphat|STMP