English name: Vitamin B12
CAS number: 68-19-9
Molecular formula: C63H88CoN14O14P
Molecular weight: 1355.37
EINECS number: 200-680-0
MDL No. : MFCD00151092
Stats
Melting point >300°C
Specific rotation 23656-59 ± 9° (dil aq soln)
Boiling point >300 °C
Packing density 450-600kg/m3
Flash point 9℃
Storage conditions 2-8°C
Sparingly soluble in water and in ethanol (96 per cent), practically insoluble in acetone. The anhydrous substance is very hygroscopic.
Acidity coefficient (pKa)pKa 3.28±0.04(H2O,D2O t=23±0.5 Iunspeci? ed) (Uncertain)
Morphology Crystalline Powder or Crystals
The color is Red to dark red
dark red cryst. or powd., odorless and tasteless
PH 6.0 (20°C, 1g/L in H2O)
synthetic ((organic))
Water Soluble
Sensitivity Hygroscopic
Merck14, 10014
BRN4122889
Exposure limit NIOSH: IDLH 25 mg/m3
Stability Hygroscopic. Keep cold and dry.