DISODIUM PHOSPHATE
detail：
Guaranteed Technical Specifications
Chemical formula: Na2HPO4.12H2O
Molecular weight: 358.0
Standard executed: GB6008-85
Throughput: 10000t/a
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℃
Uses
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 and storage
Plastic-woven sack, net weight 25kg, 50kg or 1000kg. Store at a ventilated, dry place.
- Other Parameters
|
No
|
Specifications
|
Industrial Grade
|
Food Grade
|
|
1
|
%≥ Main contents
|
97.0
|
98.0
|
|
2
|
PH of 1% solution
|
9.0-9.4
|
9.0-9.4
|
|
3
|
% ≤ Chloride, as cl
|
0.05
|
0.014
|
|
4
|
%≤ Sulfate, as SO4
|
0.7
|
0.25
|
|
5
|
%≤ Fluoride, as F
|
0.05
|
0.005
|
|
6
|
%≤ Heavy metals, as Pb
|
|
0.001
|
|
7
|
%≤ Arsenic, as As
|
|
0.0003
|
|
8
|
%≤ Water insoluble
|
0.10
|
0.10
|