Executive Standard: GB8848-88
Molecular Formula: Na4P2O7
MW: 265.9
Character:
White powder. It is soluble in water but insoluble in ethanol.
The density is 2.45 and melting point is 890°C.
It is deliquescent in the open air.
Its aqueous solution shows weak alkalinity and stable below 70°C, but will be hydrolyzed into di-sodium phosphate when boiled .
Package: 25kgs woven bag lined with plastic bag, according to the customer’s demand , Stored at draughty dry places..
Usage: used as buffering agent, emulsifier, nutrition ingredients and quality improver.
Performed Specifications:
Specifications |
Food Grade |
Main contents % ≥ |
96.0 |
Phosphorus Pentoxide % ≥ |
51.0 |
Ortho Phosphates |
Pass the test |
PH Value of 1% water solution |
9.9-10.7 |
Water Insoluble matter % ≤ |
0.2 |
Arsenic, as As % ≤ |
0.0003 |
Heavy metal, as Pb % ≤ |
0.001 |
Fluoride as F % ≤ |
0.005 |
Loss of % ≤ |
0.5 |
|
