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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Dithiobiuret ： ウィキペディア英語版 Dithiobiuret |Section2= |Section3= |Section4= }} Dithiobiuret is an organosulfur compound with the formula HN(C(S)NH2)2. It is a colourless solid that is soluble in warm water and polar organic solvents. It is a planar molecule with short C-S and C-N distances (1.69, 1.38 Å, resp.) indicative of multiple C-S and C-N bonding.〔Spofford, W. A., III; Amma, E. L. "Crystal and molecular structure of dithiobiuret" Journal of Crystal and Molecular Structure 1972, vol. 2, 151-8. 〕 The compound can be viewed as the product from the condensation of two molecules of thiourea, but it is prepared by treatment of 2-cyanoguanidine with hydrogen sulfide. The conversion proceeds via guanylthiourea: :NCNC(NH2) + H2S → HN(C(S)NH2)(C(NH)NH2) :HN(C(S)NH2)(C(NH)NH2) + H2S → HN(C(S)NH2)2 It is used as a plasticizer, a rubber accelerator, and as an intermediate in pesticide manufacturing.〔(Dithiobiuret Hazardous Substance Fact Sheet ), New Jersey Department of Health and Senior Services〕 It is extremely toxic; exposure can result in respiratory failure. ==See also== * Biuret 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dithiobiuret」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.