Sodium Tri poly phosphate (STPP)

Sodium Tri poly phosphate

What is Sodium Tri poly phosphate (STPP)?

It is an inorganic compound with formula Na5P3O10. It is the sodium salt of the polyphosphate penta-anion, easily soluble in water but not in organic solution. Its water solution is alkaline

Uses:

  • Ceramics
  • Water softening agent
  • Cleaning agent in electroplating
Characteristics Specifications
APPEARANCE White Colour
PURITY 94.6%
Phosphates (P2O5) 57.1%
Iron (Fe) 0.008 %
Water Insoluble matter 0.03%
pH Value (1% Solution) 9.4
Bulk Density 0.75g/cm3
18 Mesh 98.6