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.

PropertiesEdit

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.

PreparationEdit

It is made by reacting arsenic trioxide with hydrofluoric acid or by reacting excess arsenic with fluorine.

UsesEdit

It is used to change nonmetal chlorides to fluorides.

Related pagesEdit