Arsenic trifluoride
chemical compound
Arsenic trifluoride, also known as arsenic(III) fluoride, is a chemical compound. Its chemical formula is AsF3. It has arsenic and fluoride ions in it. The arsenic is in its +3 oxidation state.
Properties change
Arsenic trifluoride is a colorless liquid. It melts at -8.5°C and boils at 60.4°C. It is highly toxic. It reacts with water to make arsenous acid and hydrofluoric acid, both very dangerous acids.
Preparation change
It is made by reacting arsenic trioxide with hydrofluoric acid or by reacting excess arsenic with fluorine.