Word: diphenyl
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Dates: during 1920-1929
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...There is one good thing certainly to be said about the next war. . . . With lungs full of diphenyl chloroarsine (dropped from the invulnerable machines of the air) we shall not need to worry about anything ever again...
...longer is the civilian reasonably safe to carry on for posterity. Science, especially chemistry and aviation, has translated the next war into terms of universal destruction. . . . "In man slight and transitory nasal irritation is appreciable after an exposure of five minutes to as little as one part of diphenyl-chloroarsine in two hundred million parts of air. ... A concentration of one part in ten million will probably incapacitate a man within a minute from the pain and distress, and nausea and vomiting accompanying an exposure of from two to three minutes of this concentration. . . . These substances are generally used...