The product is a colorless, transparent liquid. It has a strongly pungent odor. It is very corrosive and strongly toxic. White fumes can rise from it in air. Boiling point, 19.5°C.

The product is a colorless and transparent solution. It has a strongly pungent odor and a strong toxicity. It is very corrosive.

For the making of element fluorine, fluoride, can also be used as catalyst, fluoridation agent.