Chemical formula: Na2HPO4; Na2HPO4.12H2O
Properties:White or colorless crystalline free flowing solid, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density at 1.63, melting point at 34.6
.
Application:Used as a fire-prevention agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent ,solder, tanning agent, etc.
Packing :25kgs net paper bags or 25kgs net plastic woven bags
Specifications
|
No
|
Specifications
|
Na2HPO4Food Grade
|
Na2HPO4.12H2O Food Grade
|
|
1
|
Main contents %
|
98.0
|
98.0
|
|
2
|
PH of 1% water solution
|
8.5-10.0
|
8.8-9.2
|
|
3
|
Chloride, as cl %
|
0.014
|
0.014
|
|
4
|
Sulfate, as SO4 %
|
0.25
|
0.25
|
|
5
|
Heavy metals, as Pb %
|
0.001
|
0.001
|
|
6
|
Arsenic, as As %
|
0.0003
|
0.0003
|
|
7
|
Fluoride, as F %
|
0.005
|
0.005
|
|
8
|
Water insoluble %
|
0.10
|
0.10
|
|
9
|
Pb, %
|
0.0001
|
0.0001
|