What is formula for tin iv oxide?

The chemical formula for tin IV oxide is SnO2. It is also known as stannic oxide or tin dioxide. It is a white, powdery substance that is insoluble in water. Tin IV oxide is used in the manufacture of ceramics, glass, and in the production of some metals. It is also used as a polishing agent for glass and metals, and as a semiconductor material in electronic devices. It is a non-toxic substance and has no harmful effects on human health.