Chloroform (Trichloromethane,
CHCl3cap C cap H cap C l sub 3
3
) is a colorless, sweet-smelling, volatile liquid used as a solvent, chemical precursor (like for Teflon), and cleansing agent, known historically as an anesthetic but now avoided due to toxicity, with health risks including liver/kidney damage and potential cancer, causing dizziness or organ failure at high exposures.
Methylene chloride (DCM) is a clear, colorless, volatile liquid with a sweet, ether-like odor, characterized by its chemical formula CH₂Cl₂Methylene chloride is a colorless, volatile, nonflammable liquid with a penetrating, ether-like odor that is detectable at about 200 parts per million (ppm) in air.