A bactericidal agent that is a toxic, flammable, colorless gas or liquid, frequently used for sterilizing or disinfecting medical instruments.
A gas used to accelerate ripening of certain fruit. Also, produced naturally by fruit to hasten the ripening process.
A chemical, C2H40, that in its gaseous state is used to sterilize materials that cannot with stand heat or steam. It is also used as a fumigant.