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Name Cyanocobalamin
CAS 68-19-9
EINECS(EC#) 200-680-0
Molecular Formula C63H88CoN14O14P
MDL Number MFCD00151092
Molecular Weight 1355.37
MOL File 68-19-9.mol

Chemical Properties

Appearance Crystalline
Melting point  >300°C
Boiling point  >300 °C
alpha  23656 -59 ± 9° (dil aq soln)
Fp  9℃
storage temp.  2-8°C
solubility  Soluble
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
Stability: Hygroscopic. Keep cold and dry.
Water Solubility  Soluble
Sensitive  Hygroscopic
Merck  14,10014
BRN  4122889

Vitamin B12 is water-soluble required for the normal development of red blood cells. Its deficiency causes pernicious anemia. It is stable in neutral conditions and is more stable for storage than for processing conditions. It is found in meat, fish, and milk.

EPA Substance Registry System Vitamin B12(68-19-9)

Safety Data

Hazard Codes  F,T
Risk Statements 


Safety Statements 


WGK Germany  1
RTECS  GG3750000
HS Code  29362600
Safety Profile

Poison by subcutaneous route. Moderately toxic by intraperitoneal route. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits very toxic fumes of POx and NOx. See also COBALT COMPOUNDS.

Hazardous Substances Data 68-19-9(Hazardous Substances Data)

Hazard Information

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