Melting point :177-180 °C
Boiling point :539.0±45.0 °C(Predicted)
Density :1.44±0.1 g/cm3(Predicted)
storage temp. :Inert atmosphere,2-8°C
solubility :Soluble in methanol, water (100 mM), DMSO (100 mM), ethanol (<1 mg/ml at 25° C), and 1 M NH4OH (1 mg/ml).
form :Solid
pka :2.80±0.10(Predicted)
color :Yellow
Merck :14,111
InChI :InChI=1S/C6H6N2O3/c1-4-2-7-5(6(9)10)3-8(4)11/h2-3H,1H3,(H,9,10)
InChIKey :DJQOOSBJCLSSEY-UHFFFAOYSA-N
SMILES :C1(C(O)=O)N=CC(C)=[N+]([O-])C=1
CAS DataBase Reference :51037-30-0(CAS DataBase Reference)
EPA Substance Registry System :Pyrazinecarboxylic acid, 5-methyl-, 4-oxide (51037-30-0)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.