Sodium Tripolyphosphate Cas no 7758-29-4 Formula Na5O10P3 Purity 99% Packin25KG/BAG , 22MT/20'FCL.

Sodium Tripolyphosphate  It is a preservative for seafood, meats, poultry, and animal feeds.STPP is used to retain moisture. Many governments regulate the quantities allowed in foods, as it can substantially increase the sale weight of seafood in particular.

 Specification of  Sodium Tripolyphosphate

ITEMS	SPECIFICATION
Assay Na5P3O10 % ≥	95.0 Min.
P2 O 5 % ≥	56.5 Min.
Water Insoluble Matter % ≤	0.05 Max.
PH value (1% water solution)	9.5-10.0
Heavy Metal (as Pb) %≤	0.001 Max.
Arsenic (As) % ≤	0.0003 Max.
Fluoride (F) % ≤	0.003 Max.
Whiteness % ≥	90 Min.

Sodium Tripolyphosphate STPP powder