Ethyl chloride, also known as chloroethane, is a colorless, flammable gas at room temperature. It has a sweet odor and is commonly used as a refrigerant and in the production of other chemicals. Ethyl chloride is also utilized in the medical field as a topical anesthetic to numb the skin before minor procedures. In addition to its industrial uses, ethyl chloride can be found in some household products, such as aerosol sprays. It is important to handle ethyl chloride with care, as it can be harmful if inhaled or ingested, and proper safety measures should be taken during its use.