Sulfur trioxide

Sulfur trioxide
Properties
Chemical formula	SO3
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Sulfur trioxide (sometimes spelled sulphur trioxide) is a chemical substance made of 1 sulfur and 3 oxygen atoms (SO₃). It is very toxic and irritating. It can dissolve violently in water to make sulfuric acid. It is made by oxidation of sulfur dioxide. It contains sulfur in its +6 oxidation state.

In popular culture

Sulfur trioxide is mentioned in the Emergency! episode "The Old Engine Cram".

This short article about chemistry can be made longer. You can help Wikipedia by adding to it.

Properties
Chemical formula	SO₃
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references