C2H5ClO, known as chloroethanol, is an organic compound that consists of two carbon atoms, five hydrogen atoms, one chlorine atom, and one oxygen atom. It is a colorless liquid with a sweet odor and is used in various industrial applications, including as a solvent and in the production of other chemicals. Chloroethanol is classified as a haloalcohol due to the presence of both a halogen (chlorine) and a hydroxyl group (-OH). It is important in organic synthesis and can be produced through the reaction of ethylene oxide with hydrochloric acid. Safety precautions are necessary when handling this compound, as it can be toxic.