Chromium dioxide

Description

A black powder. Chromium dioxide is a semiconductor and has strong magnetic properties. It is used as the active material in recording tapes and magnetic strips on credit cards.

Risks

Can decompose in air to form chromic oxide (Cr2O3)

Physical and Chemical Properties

Composition	CrO2
Density	4.9 g/ml
Molecular Weight	mol. wt. = 83.99