Molecular Weight: 384.64

Molecular Formula: C₂₇H₄₄O

[Properties]   

Appearance: light yellow to yellowish brown
Assay: 1 million lu/g?8 million lu/g

[Use]As raw material for the production of feed grade VD3 powder or pharmaceutical grade VD3 crystal; mainly used as nutrient in feed industry.

[Stability] Sensitive to light, air and heat; very easily soluble in ethanol, acetone, chloroform and ether, insoluble in water.

[Storage] Stored in dry and cool place, avoid moisture, water or heat.

[Safety]When the dosage is over 1000～3000IU/Kg body weight, vitamin is toxic.