Acetone | CH3-CO-CH3 or C3H6O | CID 180 - structure , chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Acetone Formula : C 3 H 6 O Molecular weight: 58.0791 IUPAC Standard InChI: InChI=1S/C3H6O/c1-3 (2)4/h1-2H3 Copy What is Acetone Formula ? - Acetone is an explosive, transparent, and volatile liquid. Check detail information about Acetone Formula like structure , preparation, properties and more here. Acetone is a simple and small ketone with the formula (CH3)2CO. It is a highly flammable and volatile liquid that is widely used as a solvent and an intermediate in organic synthesis.