Lewisite is an organoarsenic compound, specifically an arsine. It was once manufactured in the U.S. and Japan as a chemical weapon, acting as a vesicant (blister agent) and lung irritant. Although colorless and odorless, impure samples of lewisite are a yellow or brown liquid with a distinctive odor that has been described as similar to scented geraniums.

Read more about LewisiteChemical Reactions, Mode of Action As Chemical Weapon, Chemical Composition, History, Controversy Over Japanese Depots of Lewisite in China

Other articles related to "lewisite":

Rudolph Peters
... crucial in maintaining battlefield effectiveness facing the threat of lewisite attacks ... An Oxford scientific team led by Peters developed an antidote for lewisite called British Anti-Lewisite (BAL) on 21 July 1940 ...
Controversy Over Japanese Depots of Lewisite in China
... In mid 2006, China and Japan were negotiating disposal of stocks of lewisite in northeastern China, left by Japanese military during World War II ...
Chelation Therapy - History
... dithiol compound dimercaprol (also named British anti-lewisite or BAL), was used as an antidote to the arsenic-based poison gas, lewisite ... BAL's mercaptan groups strongly bond to the arsenic in lewisite, forming a water-soluble compound that entered the bloodstream, allowing it to be removed from the body by the ...