The chemical composition of methanol is CH3OH. It consists of one carbon atom (C), four hydrogen atoms (H), and one hydroxyl group (OH). Methanol, also known as wood alcohol, is a clear, colorless liquid primarily used as an industrial solvent, antifreeze, and fuel. It is also a precursor for the production of formaldehyde and other chemicals. Despite its applications, methanol is toxic to humans and can cause serious health problems if ingested, highlighting the importance of handling it with care.