Meconic acid

Not to be confused with muconic acid.
Meconic acid
Names
Preferred IUPAC name
3-Hydroxy-4-oxo-4H-pyran-2,6-dicarboxylic acid
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.007.136
EC Number
  • 207-848-2
KEGG
MeSH C010603
UNII
  • InChI=1S/C7H4O7/c8-2-1-3(6(10)11)14-5(4(2)9)7(12)13/h1,9H,(H,10,11)(H,12,13) N
    Key: ZEGRKMXCOCRTCS-UHFFFAOYSA-N N
  • InChI=1/C7H4O7/c8-2-1-3(6(10)11)14-5(4(2)9)7(12)13/h1,9H,(H,10,11)(H,12,13)
    Key: ZEGRKMXCOCRTCS-UHFFFAOYAE
  • C1=C(OC(=C(O)O)C(=O)C1=O)C(=O)O
Properties
C7H4O7
Molar mass 200.102 g·mol−1
Appearance colorless crystals
Related compounds
Related compounds
 Chelidonic acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Meconic acid, also known as acidum meconicum and poppy acid, is a chemical substance found in certain plants of the poppy family, Papaveraceae, such as Papaver somniferum (opium poppy) and Papaver bracteatum. Meconic acid constitutes about 5% of opium and can be used as an analytical marker for the presence of opium. Meconic acid has erroneously been described as a mild narcotic, but it has little or no physiological activity, and is not used medicinally. Meconic acid forms salts with alkaloids and metals. These salts as well as meconic acid esters are called meconates. Meconic acid was first isolated by Friedrich Sertürner in 1805.

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