Methanol

Made for industry; found in windshield washer fluid, antifreeze, fuel, and solvents; released from vehicle exhaust and some industrial processes; sometimes present in illicit or improperly distilled alcohol [1][2][3].

Using or spilling these products; breathing vapors in poorly ventilated spaces; skin contact; drinking contaminated beverages; workplace exposure in manufacturing, labs, printing, biodiesel, and auto maintenance [1][2].

The body converts methanol to formic acid, causing metabolic acidosis and optic nerve damage. Symptoms include headache, dizziness, nausea, and blurred or “snowfield” vision; severe cases can lead to coma, blindness, or death. Not classified as a carcinogen by major agencies [1][2].

Children, workers handling methanol, people using products indoors without ventilation, and anyone consuming non-commercial alcohol [1][2].

Choose methanol-free products when possible; use with good ventilation; wear chemical-resistant gloves and eye protection; store securely away from children; never drink non-commercial alcohol; seek medical help or call Poison Control if exposed [1][2].