Mustard gas
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Mustard gas or sulfur mustard are names commonly used for the organosulfur chemical compound bis sulfide, which has the chemical structure S2, as well as other species. In the wider sense, compounds w
Soldier with moderate mustard agent burns sustained during World War I showing characteristic bullae on the neck, armpit, and hands
Typical appearance of bullae on an arm caused by vesicant burns
Lewisite (top row) and mustard gas (bottom row) test with concentrations from 0.01% to 0.06%
Pallets of 155 mm artillery shells containing "HD" (distilled mustard gas agent) at the Pueblo Chemical Depot. The distinctive color-coding scheme on each shell is visible.
Chemical warfare dates back thousands of years, but the first large-scale use of chemical weapons was during World War I. Austria-Hungary, France, the German Empire, the United Kingdom, and the United
Mustard gas
…War I relied on the Meyer-Clarke method because 2-chloroethanol was readily available from the German dye industry of that time. Mustard gas was first used in World War I by the German army against British and Canadian soldiers near Ypres, Belgium, on July 12, 1917, and later also against the French Second Army. Yperite…
A French gas attack on German trenches in Flanders, Belgium (1917).
Russian Red Cross nurses tend to gassed Russians brought from the front lines, 1915
British emplacement after German gas attack (probably phosgene)
A bell used as a gas alarm, December 1916.