Sodium Tripoly Phosphate Medium Dense (STPP) [Na5P3O10] [CAS_7758-29-4] 94+% White Powder/ Granular (50 Lbs Bag)

$ 206.00 $ 243.00

Wintersun code: 19-053-02
CAS Number: 7758-29-4
Molecular Formula: Na5P3O10
Molecular Weight: 367.86 g/mol


The alkaline phosphates offer detergency activity in combination with the properties of sequestration, dispersion and buffering ability. STPP is used in water softening, industrial cleaners, food uses, detergent, emulsifier of oil and grease, peptizing agent, deflocculating agent in oil well, sequester in cotton boiling.

Sales Specification

  • Appearance: White granular or powder
  • Assay: 94.0% min
  • P2O5 Content: 57% min
  • Density: 0.80-0.90g/cm3
  • Substance in soluble water: 0.10% max
  • pH(1% soluble in water): 9.2-10
  • Whiteness: 90%


 50 lb paper bag

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