Topic summary
Chromium(IV) oxide
Chromium dioxide or chromium(IV) oxide is an inorganic compound with the formula CrO2. It is a black, synthetic, magnetic solid. It once was widely used in magnetic tapeemulsion. With the increase in popularity of CDs and DVDs and more recently digital media, the use of chromium(IV) oxide has declined. However, it is still used in data tape applications for enterprise-class storage systems. It is still considered by many oxide and tape manufacturers to have been one of the best magnetic recording particulates ever invented.