agro trade sp

Sodium Tripolyphosphate(technical grade)

Synonyms: pentasodium triphosphate; Pentasodium Tripolyphosphate; Sodium Phosphate Tripoly; STPP; Triphosphoric acid, pentasodium salt; Pent-sodium Phosphate; Sodium triphosphate; Sodium Tripolyphos; sodium phosphate (3:1)

CAS No.:7758-29-4

M.F.:Na5P3O10

M.W.:367.86413

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.

Item Index

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