| Melting point: |
>300°C |
| alpha |
23656 -59 ± 9° (dil aq soln) |
| Boiling point: |
>300 °C |
| Flash point: |
9℃ |
| storage temp. |
2-8°C |
| solubility |
Sparingly soluble in water and in ethanol (96 per cent), practically insoluble in acetone. The anhydrous substance is very hygroscopic. |
| pka |
pKa 3.28±0.04(H2O,D2O t=23±0.5 Iunspeci?ed) (Uncertain) |
| form |
Crystalline Powder or Crystals |
| color |
Red to dark red |
| Odor |
dark red cryst. or powd., odorless and tasteless |
| Water Solubility |
Soluble |
| Sensitive |
Hygroscopic |
| Merck |
14,10014 |
| BRN |
4122889 |
| Exposure limits |
NIOSH: IDLH 25 mg/m3 |
| Stability: |
Hygroscopic. Keep cold and dry. |
| InChIKey |
RMRCNWBMXRMIRW-WZHZPDAFSA-L |
| LogP |
3.570 (est) |
| EPA Substance Registry System |
Vitamin B12 (68-19-9) |