Detailed content
Executive Standard: GB 25557-2010
Molecular Formula: Na4P2O7 CAS No.: 7722-88-5
M.W. : 265.9
Character: White powder, easily soluble in water, insoluble in alcohol, density: 2.45, relative density:2.45, melting point: 890°C. Water solution is alkaline, PH of 1% solution is 9.9-10.7.
Package: 25kgs woven bag lined with plastic bag, according to the customer’s demand , Stored at draughty dry places..
Usage: Used as the buffering agent, the emulsifying agent, the nutritional agent and the quality modifying agent in the food industry, commonly used in canned food, juice drinks, dairy products, meat products, milk, ice cream and instant noodles etc.
Performed Specifications:
Specification |
Food Grade |
Appearance |
White Powder |
Main content(based on Na4P2O7) %≥ |
96.5 |
Phosphorus pentoxide ( P2O5 ) %≥ |
51.5 |
Water insoluble %≤ |
0.20 |
PH value(1% aqueous solution) |
9.9-10.7 |
Orthophosphate |
Pass the test |
Heavy metals, as Pb % ≤ |
0.001 |
Arsenic, as As % ≤ |
0.0003 |
Fluoride, as F % ≤ |
0.003 |