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Vitamin B12 Basic information

outline Chemical properties Characters The structure of vitamin B12 Uses Physiologic function vitamin B12 deficiency Main Application Content Analysis Toxicity Limited use Production method

Product Name: Vitamin B12

Synonyms: hemomin;hepacon-b12;hepagon;hepavis;hepcovite;lactobacilluslactisdornerfactor;lldfactor;macrabin

CAS: 68-19-9

MF: C63H88CoN14O14P

MW: 1355.37

EINECS: 200-680-0

Product Categories: Pharmaceutical intermediates;Inhibitors;Mainly used in the treatment of giant young red blood cell anemia, nutritional bad blood loss anemia, neuralgia and obstructive disease;Vitamin series;Cobalamin, vitamin B-12;vitamin;Organometallics;Nutritional Supplements;Vitamins and derivatives;Vitamin Ingredients;Carbohydrates & Derivatives;Chiral Reagents;Intermediates & Fine Chemicals;Pharmaceuticals;Biochemistry;Classes of Metal Compounds;Co (Cobalt) Compounds;Porphyrins;Transition Metal Compounds;Vitamins

Mol File: 68-19-9.mol

Vitamin B12 Structure

Vitamin B12 Chemical Properties

Melting point >300°C

alpha 23656 -59 ± 9° (dil aq soln)

Boiling point >300 °C

Fp 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

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)