What is Arsenic trifluoride?
'''Arsenic trifluoride''', also known as '''arsenic(III) fluoride''', is a [[chemical compound]]. Its chemical formula is AsF<sub>3</sub>. It has [[arsenic]] and [[fluoride]] [[ion]]s in it. The arsenic is in its +3 [[oxidation state]]. ==Properties== 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== It is made by reacting [[arsenic trioxide]] with hydrofluoric acid or by reacting excess arsenic with [[fluorine]]. ==Uses== It is used to change [[nonmetal]] [[chloride]]s to fluorides. ==Related pages== *[[Antimony trifluoride]] *[[Bismuth trifluoride]] *[[Arsenic trichloride]] *[[Arsenide]] [[Category:Arsenic compounds]] [[Category:Fluorine compounds]]