Monochloroacetic acid is a colorless, crystalline organic compound with the chemical formula C2H3ClO2. It is a derivative of acetic acid and contains one chlorine atom, which gives it unique properties. This compound is primarily used in the production of various chemicals, including herbicides, dyes, and pharmaceuticals. Monochloroacetic acid is known for its strong acidity and reactivity, making it useful in chemical synthesis. It can be hazardous, so proper safety precautions are essential when handling it. The compound is soluble in water and can be produced through the chlorination of acetic acid.