PRODUCT Properties
| Melting point: | 62-67 °C(lit.) |
| Boiling point: | 270 °C(lit.) |
| Density | 1.1418 (rough estimate) |
| refractive index | 1.5939 (estimate) |
| Flash point: | 143 °C |
| storage temp. | 2-8°C |
| form | Crystalline Solid, Crystals, and/or Chunks |
| pka | 0.79(at 24℃) |
| color | White to brownish |
| Water Solubility | soluble |
| Sensitive | Hygroscopic |
| Merck | 14,7972 |
| BRN | 105257 |
| CAS DataBase Reference | 694-59-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyridine, 1-oxide(694-59-7) |
| EPA Substance Registry System | Pyridine, 1-oxide (694-59-7) |
Description and Uses
Pyridine N-Oxide is a useful reagent for the chemical industry, a mild reoxidant that transforms osmium-catalyzed oxidative cyclization. A catalytic agent.
Safety
| Symbol(GHS) |  GHS06 |
| Signal word | Warning |
| Hazard statements | H301-H315-H319-H335 |
| Precautionary statements | P261-P280a-P301+P310a-P305+P351+P338-P405-P501a |
| Hazard Codes | Xi,Xn |
| Risk Statements | 36/37/38-22-40-20/21/22 |
| Safety Statements | 26-24/25-37/39-36/37/39-22 |
| WGK Germany | 3 |
| RTECS | UT6410000 |
| F | 21 |
| TSCA | Yes |
| HS Code | 29333999 |
