| Melting point | >300°C |
| alpha | 23656 -59 ± 9° (dil aq soln) |
| Boiling point | >300 °C |
| Fp | 9ºC |
| 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 |
| Water Solubility | Soluble |
| Sensitive | Hygroscopic |
| Merck | 14,10014 |
| BRN | 4122889 |
| Stability: | Hygroscopic. Keep cold and dry. |
| InChIKey | RMRCNWBMXRMIRW-WZHZPDAFSA-L |
| EPA Substance Registry System | Vitamin B12 (68-19-9) |
China
