Methyl chloride, also known as chloromethane, is an organic compound with the chemical formula CH3Cl. It is a colorless, flammable gas that is commonly used as a refrigerant, solvent, and propellant. This compound is also used in the manufacturing of various products, including pharmaceuticals, silicone and as an intermediate in the production of different types of chemicals. There are some synonyms for methyl chloride used in various industries, such as monochloromethane, methyl chloridate, and methane monochloride among others. These synonyms are often used interchangeably to reference the same chemical compound. Understanding the different terms used helps people to communicate clearly and to avoid confusion.