Lutidic acid

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Structural formula
Structure of lutidic acid
General
Surname Lutidic acid
other names

Pyridine-2,4-dicarboxylic acid

Molecular formula C 7 H 5 NO 4
Brief description

white odorless solid

External identifiers / databases
CAS number 499-80-9
EC number 207-892-2
ECHA InfoCard 100.007.176
PubChem 10365
ChemSpider 9938
Wikidata Q27076768
properties
Molar mass 167.10 g mol −1
Physical state

firmly

Melting point

242-243 ° C

pK s value
  • pK s 1 (25 ° C) = 2.17
  • pK s 2 (25 ° C) = 5.09
solubility

slightly soluble in water (2.49 g l −1 at 25 ° C)

safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 315-319-335
P: 302 + 352-304 + 340-305 + 351 + 338
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

Individual evidence

  1. a b c d e data sheet lutidic acid (PDF) from Merck , accessed on December 25, 2018.
  2. ^ 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 ).
  3. Richard Wolffenstein : Die Pflanzenalkaloide , 3rd edition, Berlin 1922, p. 67 ( limited preview in the Google book search).