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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 perylenetetracarboxylic dianhydride ： ウィキペディア英語版 perylenetetracarboxylic dianhydride Perylenetetracarboxylic dianhydride (PTCDA) is an organic compound used commercially as a precursor to pigments and dyes. It is generated by oxidative fusion of naphthalene dicarboxylic anhydride via naphthalimide. PTCDA reacts with amines to give a range of useful colorants.〔Hunger, K. and Herbst, W. (2012) "Pigments, Organic" in ''Ullmann's Encyclopedia of Industrial Chemistry'', Wiley-VCH, Weinheim. 〕〔Greene, M. (2009) "Perylene Pigments", pp. 261–274 in High Performance Pigments, Wiley-VCH, Weinheim.〕 ==Structure== PTCDA occurs in two crystalline forms, α and β. Both have the P21/c monoclinic symmetry and a relatively high for organic compounds density of ca. 1.7 g/cm3. Their lattice parameters are: ''a'' = 0.374 nm, ''b'' = 1.196 nm, ''c'' = 1.734 nm, ''γ'' = 98.8° for α and ''a'' = 0.378 nm, ''b'' = 1.930 nm, ''c'' = 1.077 nm, ''γ'' = 83.6° for β phase. 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「perylenetetracarboxylic dianhydride」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.