Chloroacetaldehyde is a colorless, flammable liquid with a strong, pungent odor. It is an organic compound with the chemical formula C2H3ClO and is primarily used in the production of various chemicals, including pesticides and pharmaceuticals. This compound is produced through the chlorination of acetaldehyde and can be hazardous if inhaled or ingested. Due to its reactivity, chloroacetaldehyde is also used in the synthesis of other organic compounds, making it an important intermediate in chemical manufacturing.