Diphenylchlorarsine
（重定向自Diphenyl chloroarsine）
![](/Images/godic/202501/09/Ph2AsCl4426.png")
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Diphenylchloroarsine (DA) is the organoarsenic compound with the formula (C6H5)2AsCl. It is a low-melting solid. It is highly toxic and was once used in chemical warfare. It is also an intermediate in the preparation of other organoarsenic compounds. The molecule consists of a pyramidal As(III) center attached to two phenyl rings and one chloride.