Health

Methanol-laced drinks claim dozens of lives in Peru

At least 54 people have died in Peru over the past month after they consumed bottled drinks containing methanol, a toxic form of alcohol, the South American country's health ministry said Monday.

Health

Methanol in South Africa teen deaths often fatal

Methanol was found in the blood of the 21 teenagers who died last month in a bar in South Africa's city of East London, according to a health official. Methanol—often called wood alcohol—is a toxic chemical and if ingested ...

Health

FDA warns again about dangers of methanol-based hand sanitizers

(HealthDay)—The U.S. Food and Drug Administration is warning consumers not to use alcohol-based hand sanitizers containing methanol, or wood alcohol, which is used in fuel and antifreeze and is toxic if absorbed through ...

Health

Toxic liquor kills 143 in eastern India

A batch of home-brewed liquor thought to have been laced with the highly toxic chemical methanol has killed 143 people in eastern India, an official told AFP on Thursday.

Methanol

Methanol, also known as methyl alcohol, wood alcohol, wood naphtha or wood spirits, is a chemical with the formula CH3OH (often abbreviated MeOH). It is the simplest alcohol, and is a light, volatile, colorless, flammable liquid with a distinctive odor very similar to, but slightly sweeter than, ethanol (drinking alcohol). At room temperature, it is a polar liquid, and is used as an antifreeze, solvent, fuel, and as a denaturant for ethanol. It is also used for producing biodiesel via transesterification reaction.

Methanol is produced naturally in the anaerobic metabolism of many varieties of bacteria, and is ubiquitous in the environment. As a result, there is a small fraction of methanol vapor in the atmosphere. Over the course of several days, atmospheric methanol is oxidized with the help of sunlight to carbon dioxide and water.

Methanol burns in air, forming carbon dioxide and water:

Because of its toxic properties, methanol is frequently used as a denaturant additive for ethanol manufactured for industrial uses — this addition of methanol exempts industrial ethanol from liquor excise taxation. Methanol is often called wood alcohol because it was once produced chiefly as a byproduct of the destructive distillation of wood.

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