Industrial anhydrous hydrogen fluoride
- Chemical formula
- HF
- Molecular weight
- 20.01
| Appearance |
Colorless liquid |
| Uses |
It is a necessary fluorine source for fluorine salts, fluorine refrigerants, fluorine plastics, fluororubbers, fluorine medicines and pesticides. |
| Physical properties |
Boiling point: 19.5 degrees Celsius |
| CAS No. |
7664-39-3 |
Quality Index (GB 7746-2011):
| |
Category I |
Category I |
Category II |
Category II |
| Item |
|
Top grade |
First grade |
Qualified products |
| Hydrogen fluoride,% |
99.98 |
99.96 |
99.92 |
99.80 |
| Moisture,% |
0.005 |
0.02 |
0.04 |
0.06 |
| Fluosilicic acid ,% |
0.005 |
0.008 |
0.015 |
0.050 |
| Sulfur dioxide ,% |
0.003 |
0.005 |
0.010 |
0.030 |
| Non-volatile acid (H2SO4) ,% |
0.005 |
0.005 |
0.010 |
0.050
|
|
