Home - STPP-Sodium Tri-Polyphosphate
Sodium Tri-Polyphosphate(STPP)

Molecular Formula:Na5P3O10
Product Code:7758-29-4
Storage Conditions: QB 1034-1991
Usage:Used as moisture conservative. Applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
Packing:25 kg/bag inner plastic and outer plait
Specifications:
|
|
STPP |
Appearance |
|
White Powder or granules |
Sodium Tripolyphosphate |
%(w/w) |
min. 95 |
P2O5 |
%(w/w) |
min. 57.0 |
Fluoride (as F) |
mg/kg |
max. 30 |
Arsenic (As) |
mg/kg |
max. 3 |
Heavy Metal (as Pb) |
mg/kg |
max. 10 |
Chloride (as Cl) |
mg/kg |
max. 250 |
Sulfate (as SO42-) |
%(w/w) |
max. 0.4 |
Water Insoluble |
%(w/w) |
max. 0.05 |
pH (1% aqueous solution) |
|
9.5 -10.0 |
Whiteness |
% |
min. 85 |