Vitamin D3

Chinese alias: Cholecalciferol; 9,10-open-loop cholester-5,7,10 (19) - triene-3 β- alcohol

English name: Vitamin D3

Density: 0.9717 g/cm3

Melting point: 83-86 ° C (lit.)

Boiling point: 496.4 º C at 760 mmHg 

Flash point: 214.2 º C

Refractive index: 1.507 (15 º C)

Stability: Stable at room temperature and pressure

Storage conditions: 2-8 º C 

Vitamin D3, also known as cholecalciferol, is a type of vitamin D. The 7-dehydrocholesterol produced by cholesterol dehydrogenation can form cholecalciferol by ultraviolet radiation. Therefore, the vitamin D of cholecalciferol is originally 7-dehydrocholesterol.