2,3-Pyridinediol

[C5H5NO2]
  [Synonyms]:

[CAS]: 16867-04-2.

[Molecular Formula]: C5H5NO2

[Molecular weight]: 111.1

[Feature]: NH-form predominate, Used as a 0.5-1.0% Solution in EtOH or H2O for photometric detn. of Os, Fe; Metallochromic indicator for titrimetric detn. of Fe3+, Prisms(H2O), MP 248¡ãC, PKa1 0.22(H2SO4 aq.);PKa2 9.00(20¡ãC)


Items
 Standard
Appearance Brown crystalline powder
Assay ¡Ý99%
Water ¡Ü0.5%
Melting point 245-248°C

[Package]: 25KG net in carton drum