This document provides information on various carbonyl compounds of commercial significance including acetone, chloral hydrate, hexamine, benzaldehyde, vanillin, and cinnamaldehyde. It describes their major industrial uses such as acetone being used as a solvent and precursor to methyl methacrylate. Chloral hydrate is used as a sedative and to treat alcohol withdrawal symptoms. Hexamine is used in production of phenolic resins and as a urinary tract infection treatment. Benzaldehyde and vanillin are commonly used as flavoring agents, with benzaldehyde imparting an almond flavor and vanillin providing vanilla flavor. Cinnamaldehyde is synthesized via