Lutidic acid
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | Lutidic acid | ||||||||||||||||||
other names |
Pyridine-2,4-dicarboxylic acid |
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Molecular formula | C 7 H 5 NO 4 | ||||||||||||||||||
Brief description |
white odorless solid |
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properties | |||||||||||||||||||
Molar mass | 167.10 g mol −1 | ||||||||||||||||||
Physical state |
firmly |
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Melting point |
242-243 ° C |
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pK s value |
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solubility |
slightly soluble in water (2.49 g l −1 at 25 ° C) |
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safety instructions | |||||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Lutidic acid ( pyridine-2,4-dicarboxylic acid ) is an organic compound that belongs to the group of heterocycles (more precisely: heteroaromatic compounds ). It belongs to the group of pyridinedicarboxylic acids and consists of a pyridine ring that has two carboxy groups in the 2- and 4-positions.
literature
- Hans Meyer, Hans Tropsch: About derivatives of lutidic acid and αγ-diaminopyridine. In: Monthly magazine for chemistry . 35, 1914, pp. 189-206, doi : 10.1007 / BF01518123 .
Individual evidence
- ↑ a b c d e data sheet lutidic acid (PDF) from Merck , accessed on December 25, 2018.
- ^ A b D'Ans-Lax: Pocket book for chemists and physicists , 3rd edition, Volume 1, Springer-Verlag, Berlin-Göttingen-Heidelberg 1967 ( ChemieOnline - pK b and pK s values ).
- ↑ Richard Wolffenstein : Die Pflanzenalkaloide , 3rd edition, Berlin 1922, p. 67 ( limited preview in the Google book search).