Formula

(NaPO3)6

Synonyms

Sodium metaphosphate
Calgon
Sodium polyphosphate
Graham's salt

Grade

Food

Specification

pH(1% solution): 6.5-7.2
Moisture (at 110 °C): 0.50%
Water insolubles: 0.05%
P2O5: 66.5-68.5%
Iron as Fe ppm: 50.0
Arsenic as As ppm: 3.0
Heavy Metal as Pb ppm: 10.0
Cadmium as Cd ppm: 1.0
Fluoride as F ppm: 10.0
Lead as Pb ppm: 3.0
Mercury as Hg ppm :1.0

Properties

Appearance: White granules/ powder
Mol. weight: 1224
CAS number: 10124 - 56 - 8

Applications

Dairy products, sausages, seafood and meat processing, canning of seafood

Packaging