Vanadyl perchlorate


Vanadyl perchlorate or vanadyl triperchlorate is a golden yellow coloured liquid or crystalline compound of vanadium, oxygen and perchlorate group. The substance consists of molecules covalently bound and is quite volatile; it ignites organic solvents on contact and explodes at temperatures above 80 °C.

Formation

Vanadyl perchlorate can be made by reacting vanadium pentoxide with dichlorine heptoxide at 5 °C. It is purified by distillation under a vacuum and recrystallisation at 21 °C.
A solution of vanadium perchlorate can be made by dissolving vanadium pentoxide in perchloric acid.
The reaction of vanadium pentoxide and dichlorine hexoxide could produce VO3:

Properties

It can react with vanadium oxychloride to form another vanadyl perchlorate :

Related

Other perchlorates include pervanadyl perchlorate, also known as dioxovanadium perchlorate, which contains VO2+ ions, vanadyl diperchlorate, oxovanadium perchlorate or vanadium perchlorate, and VO2, which dissolves in water. Vanadic perchlorate, also known as vanadium perchlorate solution in water, is a green-tinged blue colour, significantly different to most other V solutions, which are complexed.