品名:維生素B12
別名:維生素B12,氰鈷胺;維生素B12/氰鈷胺素/鈷胺素; 甲鈷胺
英文名稱(chēng):VitaminB12
CAS號(hào):68-19-9
分子式:C63H88CoN14O14P
分子量:1355.37
EINECS號(hào):200-680-0
熔點(diǎn):>300°C
比旋光度:23656-59±9°(dilaqsoln)
沸點(diǎn):>300°C
閃點(diǎn):9℃
儲(chǔ)存條件:2-8°C
溶解度:Sparinglysolubleinwaterandinethanol(96percent),practicallyinsolubleinacetone.Theanhydroussubs tanceisveryhygroscopic.
酸度系數(shù):(pKa)pKa3.28±0.04(H2O,D2Ot=23±0.5Iunspeci?ed)(Uncertain)
外觀:紅色粉末