Disodium phosphate(DSP)
Technical specifications:
Chemical formula: Na2HPO4.12H2O
Molecular weight: 358
Standard: GB25568-2010(Food grade) HG/T2965-2009(Industrial grade)
Properties:
White or colorless granular crystal. Weathering in the air. Easily soluble in water, insoluble in alcohol. Relative density is 1.63, melting point is 34.6℃.
Uses:
Sodium hydrogen phosphate is mainly used as fire-proofing agent of fabric, wood and paper, boiler softener, dye additive, acidity buffer, and etc.
Technical Parameters:
| No. |
Specifications |
Industrial grade |
|
1 |
Main content (Na2HPO4.12H2O)%≥ |
97.0 |
|
2 |
PH (1% aqueous solution) |
9.0-9.4 |
|
3 |
Chloride (cl)%≤ |
0.05 |
|
4 |
Sulfate (S04)%≤ |
0.7 |
|
5 |
Fluoride (F)%≤ |
|
|
6 |
Heavy metal (as Pb)%≤ |
|
|
7 |
Arsenic (as AS)%≤ |
|
|
8 |
Water insoluble %≤ |
0.10 |
