Pyrazinoic acid

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Pyrazinoic acid
Skeletal formula of pyrazinoic acid
Space-filling model of the pyrazinoic acid molecule
Names
IUPAC name
pyrazine-2-carboxylic acid
Identifiers
98-97-5 YesY
ChEBI CHEBI:71311 N
ChEMBL ChEMBL613 YesY
ChemSpider 1018 YesY
Jmol-3D images Image
MeSH Pyrazinoic+acid
PubChem 1047
Properties
C5H4N2O2
Molar mass 124.10 g/mol
Appearance white to off white crystalline powder
Density 1.403g/cm3
Melting point 222 to 225 °C (432 to 437 °F; 495 to 498 K)
Boiling point 313.1 °C (595.6 °F; 586.2 K) at 760 mmHg
soluble in cold water
Acidity (pKa) 2.9
Hazards
Flash point 143.1 °C (289.6 °F; 416.2 K)
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 N verify (what isYesY/N?)
Infobox references

Pyrazinoic acid is a pyrazinamide metabolite.