Methanol, also known as wood alcohol, is a colorless, flammable, and volatile liquid with the chemical formula CH3OH. It is the simplest alcohol and is commonly used as a solvent, fuel, and antifreeze agent. Methanol is also used in the production of formaldehyde, acetic acid, and other chemicals. It is toxic if ingested and can cause blindness or death. Methanol is also a greenhouse gas and a contributor to air pollution.