Vitamin B12，Cyanocobalamin

Details:

Product Name:    Vitamin B12

MF:    C63H88CoN14O14P
MW:    1355.37
EINECS:    200-680-0

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)
Safety Information
Hazard Codes     
Hazardous Substances Data    68-19-9(Hazardous Substances Data)
Toxicity    LD50 intravenous in mouse: 2gm/kg

SHANGHAI MINSTAR CHEMICAL CO., LTD. is a leading, experienced, professional supplier of API & intermediates, plant extract, food additive, fine chemicals and industry chemicals, etc.  Our efforts are constantly dedicated to supplying customers with good quality products at competitive prices consistent with service that meets customers’ needs.  In the past years, our products were exported to more than 50 countries and regions in Asia, Europe, Africa, Middle East and America and commanded a good reputation. MINSTAR selects high technology and market oriented products as her source of main business development strategy. Once we start, we do not just supply our own products. And in the years of development to meet customer demand for different kinds of products, we are helping to purchase other products too. Now we have completed our supplying chains for fine chemical & API industry, MINSTAR provides customers with optimal solution for related products & service demand -like related production information, product knowledge, optimum application method, since we own the R&D Laboratory Department, modern equipments, 2 production bases in Zhengjiang & Anhui provinces, fundamental and specific training including seminars.