%0 Journal Article %T Study on the photoreaction of 1-(2-chlorohenzoyl)-3-(4-chlorophenyl 1 urea in methanol %A Liu Guoguang %A Jin Zuliang %A Xu Xiaobai %J 环境科学学报(英文版) %D 1992 %I %X A photoreaction of 1-(2-chlorobenzoyl)-3-(4-chlorophenyl)urea(CCU)m methanol was studied.Rate constants of its reactions,which are found both of the first order,in methanol solution saturated with N2 or O2 upon irradiation with xenon lamp,are determined to be O,118 and O.129 h-1,respectively.Its half life changes from 5.37 to 4.42 h when the light intensity is changed from O.50 to O.62 cal/cm2.min.The main photoproducts identified arc 2-chloro-benzamide.N-phenyl methylearbamate,N-(4-chlorophenyl) methylcarbamate,4-chlorophenyl urea and others.Meanwhile.the mechanism of the photochemical reaction of this compound in methanol was discussed. %K 1-(2-chlorobenzoyl)-3-(4-chlorophenyl)urea,CCU %K photoreaction %K products %K methanol %K mechanism. %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=6CB1530875F53489BF1E81BD87B7F5E6&aid=6BD0E7F98C8EED65C871B04978F63600&yid=F53A2717BDB04D52&vid=E158A972A605785F&iid=E158A972A605785F&sid=1D0FA33DA02ABACD&eid=4F2F18DD6F870C2C&journal_id=1001-0742&journal_name=Journalofenvironmentalsciences(China)&referenced_num=1&reference_num=0