| Introduced by Germany | Year | Introduced by the Allies |
|---|---|---|
| Dianisidine salts* | 1914 | Ethyl bromoacetate |
| 1915 | ||
| Xylyl bromide | January | |
| March | Chloroacetone | |
| Chlorine | April | Ethyl chlorosulfonate |
|
June | |
| Bromoacetone | July | |
| September | Perchloromethyl mercaptan | |
| December |
|
|
| 1916 | ||
| January | Acrolein | |
| Trichloromethyl chloroformate | May | |
| Chloropicrin | July |
|
| 1917 | ||
| Phenylcarbamine chloride | May | |
| Dichloroethyl sulfide | July | |
| Phenyl dichloroarsine | September | |
| 1918 | ||
| (Unknown date) |
|
|
| Diphenylcyanoarsine | March | |
| *Dianisidine salts, usually dianisidine chlorosulfonate, were incorporated into the TNT charges of German artillery shells to save TNT and provide an effect comparable to that from the fumes of Allied Lyddite-filled shells. One of those effects was said to be violent sneezing. | ||
| Chemical name# | Military code names | CAS Registry Number# | ||
|---|---|---|---|---|
| British/US | French | German* | ||
| Acrolein | Papite | 107-02-8 | ||
| Benzyl bromide | Cyclite | T-Stoff | 100-39-0 | |
| Benzyl iodide | Fraisinite | 620-05-3 | ||
| Bromine | Brom | 7726-95-6 | ||
| Bromoacetone | BA | B-Stoff (White Cross) |
598-31-2 | |
| Bromobenzyl cyanide | Camite | (White Cross) | 5798-79-8 | |
| Bromomethyl ethyl ketone | Homomartonite | Bn-Stoff (White Cross) |
816-40-0 | |
| Chlorine | Bertholite | Chlor | 7782-50-5 | |
| Chloroacetone | Tonite | A-Stoff (White Cross) |
78-95-5 | |
| Chloropicrin | PS | Aquinite | Klop (Green Cross) |
76-06-2 |
| Cyanogen bromide | Campilite | E-Stoff | 506-68-3 | |
| Cyanogen chloride | Mauguinite | 506-77-4 | ||
| Dibromomethyl ether | Bibi | 4497-29-4 | ||
| Dichloroethyl sulfide | HS | Yperite | Lost (Yellow Cross) |
505-60-2 |
| Dichloromethyl ether | Cici | 542-88-1 | ||
| Dimethyl sulfate | D-Stoff | 77-78-1 | ||
| Diphenyl chloroarsine | DA | Clark I (Blue Cross) |
712-48-1 | |
| Diphenyl cyanoarsine |
CDA | Clark II (Blue Cross) |
23525-22-6 | |
| Ethyl bromoacetate | (White Cross) | 105-36-2 | ||
| Ethyl chlorosulfonate | Sulvinite | 625-01-4 | ||
| Ethyl dichloroarsine | Dick (Blue Cross) |
598-14-1 | ||
| Ethyl iodoacetate | SK | 623-48-3 | ||
| Hydrocyanic acid | Forestite | 74-90-8 | ||
| Methyl chlorosulfonate | Villantite | C-Stoff | 812-01-1 | |
| Methyl dichloroarsine | Methyldick (Blue Cross) |
593-89-5 | ||
| Monochloromethyl chloroformate |
22128-62-7 | |||
| Perchloromethyl mercaptan | Clairsite | 594-42-3 | ||
| Phenylcarbylamine chloride | K-Stoff | 622-44-6 | ||
| Phenyl dichloroarsine | 692-28-6 | |||
| Phosgene | CG | Collongite | (Green Cross) | 75-44-5 |
| Thiophosgene | Lacrimite | 463-71-8 | ||
| Trichloromethyl chloroformate | Surpalite | Perstoff (Green Cross) |
503-38-8 | |
| Xylyl bromide | T-Stoff (White Cross) |
35884-77-6 | ||
| #The chemical names used here are from the early part of the 20th Century and do not necessarily meet modern standards. The CAS Registry Numbers for the correct chemical structures are supplied as an alternative to listing several names for each compound. | *The Germans gave agents code names and also grouped them by use with the use indicated by colored crosses on artillery rounds:
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