Sodium Tripolyphosphate
Sodium triphosphate, also sodium tripolyphosphate, or tripolyphosphate, 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.
- Synonyms
- Sodium tripolyphosphate, Pentasodium triphosphate, Sodium triphosphate, STPP, Thermphos, Armofos, Polygon, Tripoly, Rhodiaphos LV, Thermphos N, Empiphos stp-D, Thermphos SPR, PENTASODIUM TRIPOLYPHOSPHATE, Triphosphoric acid, pentasodium salt
- Chemical Formula
- Na5O10P3· nH2O (n = 0 or 6)
- CAS Number
- 7758-29-4
Characteristics
- Molar Weight
- 367.86 g/mol
- Melting Point
- 622 °C
- Density
- 2.52 g/cc
- Forms
- Crystals (large), Powder (dry), White, Pellets
Uses and Applications
Key applications
- Buffer agent
- Water treatment
- Ceramics
- Oil and Gas
- Pulp and paper
- Textile handling
- Detergent
- Cosmetic products
Industries
- Cleaning
- Water Treatment
- CASE & Construction
- Beauty & Personal Care
- Pulp & Paper