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Potassium hydrogenacetylenedicarboxylate is a potassium salt with chemical formula KC4HO4 or K+·HC4O4−, often abbreviated as KHadc. It is often called potassium hydrogen acetylenedicarboxylate or monopotassium acetylenedicarboxylate. The salt can be obtained from acetylenedicarboxylic acid and is a common laboratory starting material for the synthesis of other derivatives of that acid. In the crystalline form, the hydrogenacetylenedicarboxylate anions HC4O4−s are joined into linear chains by uncommonly short hydrogen bonds. 〔 Ivan Leban and Ljubo Golić (1973), ''Crystal Structures of the Acid Salts of Some Dibasic Acids. Part VII. An X-Ray Study of Potassium Hydrogen Acetylenedicarboxylate: the α-Form.'' J. Chem. Soc., Perkin Trans. 2, , 703–705, 〕〔 Keisuke Miyakubo (1994). (''Nuclear magnetic resonance studies of dynamicals structure of one-dimensional hyrogen-bonded system in the acid salts of some dicarboxylic acids.'' ) Ph.D. Thesis, Osaka University. 〕 ==See also== * Potassium bicarbonate * Potassium hydrogenoxalate 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「potassium hydrogenacetylenedicarboxylate」の詳細全文を読む スポンサード リンク
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