Acetone Acetone Acetone (propanone) is the organic compound with the formula (CH)CO. It is a colorless, volatile, flammable liquid, and is the simplest and smallest ketone. Acetone is miscible with water and serves as an important solvent in its own right, typically for cleaning purposes in laboratories. About 6.7 million tonnes were produced worldwide in 2010, mainly for use as a solvent and production of methyl methacrylate and bisphenol A. It is a common building block in organic chemistry. Familiar household uses of acetone are as the active ingredient in nail polish remover, and as paint thinner. Acetone is produced and
Polish Air Forces in France and Great Britain of the Polish Air Force. The squadron number "305" is added. 306 Squadron's badge uses an old Polish design previously used for 141 and 142 Escadrilles. The main differences are: 141 & 142 had an inverted hexagon, 306 uses a diamond shape. Also in the 306 badge there is a bear and tree, a symbol for Warwickshire, UK (and Madrid). 307 Squadron's badge uses a crescent moon, an aircraft and an Eagle Owl derived from the heroic exploits of The Lwów Eaglets (Polish: Orlęta Lwowskie) young fighters who died defending the city of Lwow in Galicia, Poland from invading Ukrainian