Home - STPP-Sodium Tri-Polyphosphate

Sodium Tri-Polyphosphate(STPP)

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