In chemistry, THT stands for Tetrahydrothiophene. It is a colorless, flammable liquid with a characteristic sulfur smell, commonly used as an odorant for natural gas to help detect leaks. Tetrahydrothiophene is also known by other names such as thiolane and tetramethylene sulfide, and it has the chemical formula C4H8S with a molar mass of approximately 88.17 g/mol.
