维生素 D3

熔点 

83-86 °C(lit.)

比旋光度 

105 º (c=0.8, EtOH 25 ºC)

沸点 

451.27°C (rough estimate)

密度 

0.9717 (rough estimate)

蒸气压

2.0 x l0^-6 Pa (20 °C, est.)

折射率 

1.5100 (estimate)

闪点 

14 °C

储存条件 

-20°C

溶解度 

Practically insoluble in water, freely soluble in ethanol (96 per cent), soluble in trimethylpentane and in fatty oils. It is sensitive to air, heat and light. Solutions in solvents without an antioxidant are unstable and are to be used immediately. A reversible isomerisation to pre-cholecalciferol takes place in solution, depending on temperature and time. The activity is due to both compounds.

形态

powder

酸度系数(pKa)

14.74±0.20(Predicted)

水溶解性 

<0.1 g/L (20 ºC)

敏感性 

Air & Light Sensitive

Merck 

14,10019

BRN 

2339331

InChIKey

QYSXJUFSXHHAJI-YRZJJWOYSA-N