| 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):
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