Potassium hydrogenacetylenedicarboxylate
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. [1][2]
See also
References
- ↑ 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, doi:10.1039/P29730000703
- ↑ 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.
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