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中文名
|
维生素 B12
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|
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英文名
|
Vitamin B12
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CAS
|
68-19-9
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|
分子式
|
C63H88CoN14O14P
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分子量
|
1355.37
|
|
EINECS
|
200-680-0
|
|
结构式
|
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性质
|
|
熔点
|
>300°C
|
|
比旋光度
|
23656 -59 ± 9° (dil aq soln)
|
|
沸点
|
>300 °C
|
|
闪点
|
9℃
|
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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
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|
颜色
|
Red to dark red
|
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水溶解性
|
Soluble
|
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敏感性
|
Hygroscopic
|
|
Merck
|
14,10014
|
|
BRN
|
4122889
|
|
稳定性
|
Hygroscopic. Keep cold and dry.
|
|
InChIKey
|
RMRCNWBMXRMIRW-WZHZPDAFSA-L
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|
EPA化学物质信息
|
Vitamin B12 (68-19-9)
|
产品展厅
