Cadmium oxide
Cadmium oxide is a chemical compound. Its chemical formula is CdO. It has cadmium and oxide ions in it.
Properties[change | change source]
Cadmium oxide can be a colorless powder, brown powder, or red-brown crystals. All forms dissolve in acid. It is carcinogenic. Breathing the dust is harmful. It is similar in some ways to zinc oxide.
Preparation[change | change source]
Cadmium oxide is made by burning cadmium in air or reacting an alkali with any soluble cadmium salt.
Uses[change | change source]
Cadmium oxide is used in electronics as a transparent conductor. It is also used to make pigments (cadmium sulfide), kill nematodes, make nickel cadmium batteries, and electroplating cadmium.