Vitamin B12 Basic information | |
Product Name: | Vitamin B12 |
CAS: | 68-19-9 |
MF: | C63H88CoN14O14P |
MW: | 1355.37 |
EINECS: | 200-680-0 |
Mol File: | 68-19-9.mol |
Vitamin B12 Chemical Properties | |
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 |
Test items | Specifications | Results |
Appearance | Red to dark red | Red to dark red |
Assay | ≥99% | 99.5% |