Liquid oxygen
One of the physical forms of elemental oxygen / From Wikipedia, the free encyclopedia
This article is about the liquid form of the element oxygen. For the commercial dietary supplement product, see Liquid Oxygen (supplement).
"LOX" redirects here. For other uses, see Lox (disambiguation).
Liquid oxygen, sometimes abbreviated as LOX or LOXygen, is a clear light sky-blue liquid form of dioxygen O2. It was used as the oxidizer in the first liquid-fueled rocket invented in 1926 by Robert H. Goddard,[1] an application which has continued to the present.