ChEBI: Acetone is a methyl ketone that consists of propane bearing an oxo group at C2. It has a role as a polar aprotic solvent, a human metabolite and an EC 3.5.1.4 (amidase) inhibitor. It is a methyl ketone, a ketone body, a volatile organic compound and a member of propanones.NCI Thesaurus (NCIt): Acetone is a colorless, volatile, flammable organic solvent. Acetone occurs naturally in plants, trees, forest fires, vehicle exhaust and as a breakdown product of animal fat metabolism. This agent may be normally present in very small quantities in urine and blood; larger amounts may be found in the urine and blood of diabetics. Acetone is toxic in high doses. (NCI04)