| 单词 |
phenyldichloroarsine |
| 释义 |
Phenyldichloroarsine
phenyldichloroarsine[¦fen·əl·dī‚klȯr·ō′är‚sēn] (organic chemistry) C6H5 AsCl2 A liquid which becomes a microcrystalline mass at -20°C (melting point) and decomposes in water; soluble in alcohol, ether, and benzene; used as a poison gas. Phenyldichloroarsine C6H5AsCl2, a colorless liquid with a melting point of –20°C and a boiling point of 257°C (with decomposition). Phenyldichloroarsine has a density of 1.625 g/cm3 (20°C) and a volatility (maximum concentration) of 0.274 mg/liter (20°C). The compound irritates the upper respiratory tract, inducing uncontrollable sneezing and coughing; it also has vesicant and resorptive effects. Phenyldichloroarsine is insoluble in water but readily soluble in most organic solvents. It can be obtained by the action of SO2 on phenylarsenic acid in concentrated hydrochloric acid. The compound was used as a war gas in World War I. phenyldichloroarsine
phen·yl·di·chlor·o·ar·sine (PD), (fen'il-dī-klōr'ō-ar'sēn), A toxic liquid that has been used as a blister and vomiting agent by certain military and police organizations; it was first used in a limited manner during World War I.phen·yl·di·chlor·o·ar·sine (PD) (fen'il-dī-klōr-ō-ar'sēn) A toxic liquid that has been used as a blistering and vomiting agent by military and police organizations; it was first used in a limited manner in World War I (1914-1918). |
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