Acetone is an organic compound with the formula (CH3)2CO. It is the simplest and smallest ketone and has a pungent, fruity odor. Learn more about its chemical structure, properties, uses, hazards and synthesis. The acetone formula is C3H6O. It is a colorless, volatile liquid with a sweet odor and is one of the simplest and most widely used organic solvents. Acetone is also known by its chemical name propanone, has a simple molecular structure consisting of three carbon atoms, six hydrogen atoms, and one oxygen atom, represented by the chemical formula C₃H₆O. At the center of the acetone molecule, there is a carbonyl group (C=O), where a carbon atom is double-bonded to an oxygen atom. This carbonyl group is flanked on either side by a methyl group (CH₃), making the overall structure symmetrical. The presence of the carbonyl group makes ... Learn about acetone, a simple and common ketone with the formula (CH3)2CO, also known as propanone or dimethyl ketone. Find out its IUPAC name, molecular weight, properties, uses, and reactions in chemistry.