CAS：7664-39-3
Molecular formula：HF
Molecular weight：20.01
Physical and chemical properties：Colorless transparent liquid, with a strong irritating odor, smoke in the air. The relative density is 0.987. Boiling point 19.5℃.
Production Usage：Used in the production of electronic grade hydrofluoric acid, reagent grade hydrofluoric acid, fluorohaloalkane, fluorine-containing medicine, fluorine-containing pesticides and other fluorine-containing products.
Package：Tank truck or cylinder packing, filling coefficient of 0.83kg/L.
Standard：GB 7746-2011
| Index name |
I |
II |
| Superior quality |
1st grade |
Qualified grade |
| Anhydrous hydrogen fluoride≥ |
99.98 |
99.96 |
99.92 |
99.8 |
| Moisture content%≤ |
0.005 |
0.02 |
0.04 |
0.06 |
| fluosilicic acid%≤ |
0.005 |
0.008 |
0.015 |
0.05 |
| sulfur dioxide%≤ |
0.003 |
0.005 |
0.01 |
0.03 |
| non-volatile acid（count in H2SO4）%≤ |
0.005 |
0.005 |
0.01 |
0.05 |
