A colorless organic liquid, C2 H5 SH, that has a strong odor and is added to odorless fuel and fuel systems as a warning agent.
A colorless organic liquid that has a very strong odor. It is added to odorless fuel, such as natural gas, and fuel systems as a warning agent in the event of leakage or spills. Also called ethanethiol. Chemical formula: C2H6S.