Sodium Polyphosphate, CAS No. : 7758-29-4

Sodium Tripolyphosphate(Technical grade)                   
 Use: Sodium tripolyphosphate(STPP) is the conjugate base of triphosphoric acid. It is produced on a large scale as a component of many domestic and industrial products, especially detergents.
Assay Na5P3O10      94.0%min P2O5                57.0%min
Fe                  0.005%max  pH                  9.4-10.2  Phase I content     20-40%
Whiteness            85min  Bulk density g/cm3  0.40-0.95
Moisture               1%max  Water insoluble matter  0.1%max
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