Dichloromethane (Methylene chloride)

Uses

Dichloromethane, $\text{CH}_2\text{Cl}_2$, better known by its common name methylene chloride, is valued mainly as a solvent:

• As a paint remover
• As a propellant in aerosol cans
• As a process solvent in drug manufacture
• As a metal cleaning and finishing solvent

Health effects

Methylene chloride is harmful to the human central nervous system, and the severity of the effect depends on the level of exposure.

• Lower levels of methylene chloride vapour in air can mildly impair hearing and vision.
• Higher levels bring on dizziness, nausea, and a tingling/numb sensation in the fingers and toes.
• Direct skin contact causes intense burning and mild reddening of the skin. …