Definition. - A haloid derivative prepared by the action of hydrochloric acid gas upon absolute ethyl alcohol. It is also known as chelene or kelene.

Description. - A colorless, mobile, very volatile liquid, having a characteristic, rather agreeable odor and a burning taste. It boils at a temperature of 12.5o to 13o C. It is slightly soluble in water, readily in alcohol. It is very inflammable and should not be used in proximity to a gas flame or fire.

A volatile, colorless, and inflammable liquid, having a pleasant odor. It is a very fugacious anesthetic, greatly depressing the heart and respiration, and is mainly used in the form of a spray, to produce local anesthesia. Caution should be observed in operations about the head, as freezing of the cornea is apt to leave residual opacities.