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| 中文名 | 维生素 B12 |
| 中文同义 | Α-5,6-二甲基-苯并咪唑氰钴胺;氰钻胺素;维生素B12, 氰钴胺;维生素B12/氰钴胺素/钴胺素;维生素B12原料药厂家;维生素B12原料药;维生素B12原料药厂家现货;钴胺素,氰钴胺;氰钴胺 |
| 英文名 | Vitamin B12 |
| 英文同义 | hemomin;hepacon-b12;hepagon;hepavis;hepcovite;lactobacilluslactisdornerfactor;lldfactor;macrabin |
| CAS | 68-19-9 |
| 分子式 | C63H88CoN14O14P |
| 分子量 | 1355.37 |
| EINECS | 200-680-0 |
| 结构式 |
|
性质 |
|
| 熔点 | >300°C |
| 比旋光度 | 23656 -59 ± 9° (dil aq soln) |
| 沸点 | >300 °C |
| 闪点 | 9℃ |
| 储存条件 |
2-8°C |
| 溶解度 | Sparingly soluble in water and in ethanol (96 per cent), practically insoluble in acetone. The anhydrous substance is very hygroscopic. |
| 酸度系数(pKa) | pKa 3.28±0.04(H2O,D2O t=23±0.5 Iunspeci?ed) (Uncertain) |
| 形态 | Crystalline Powder or Crystals |
| 颜色 | Red to dark red |
| 水溶解性 | Soluble |
| 敏感性 | Hygroscopic |
| Merck | 14,10014 |
| BRN | 4122889 |
| 稳定性 | Hygroscopic. Keep cold and dry. |
| InChIKey | RMRCNWBMXRMIRW-WZHZPDAFSA-L |
| EPA化学物质信息 | Vitamin B12 (68-19-9) |
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