Sodium Tripolyphosphate(STPP)
Chemical formula： Na5P3O10
Purity quotient： 95%
CASRN： 7758-29-4
Na5p3o10 % ≥ 95.0
p2o5 % ≥ 57.0
water insoluble % ≤ 0.05
F % ≤ 0.003
As % ≤ 0.00013
Heavy metals (Pb) % ≤ 0.001
chloride (Cl) % ≤ 0.025
sulphate (so4) % ≤ 0.4
whiteness % ≥ 85
ph(1% aqueous solution) 9.5-10.0

25Kg, 50Kg in plastic woven bags

Used as food additives and in the preservation of sea and pet foods.
It plays a basic role as fundamental component in various cleaning products.
It is the main building agent of detergents and soaps.