COLECALCIFEROL (VITAMIN D3) BP
Use
White columnar crystal or crystalline powder, odorless and tasteless. The melting point is 84～88℃, and the specific rotation is αD20=+105°～+112°. Very soluble Chemicalbook in chloroform, soluble in ethanol, ether, cyclohexane and acetone, slightly soluble in vegetable oil, insoluble in water. Good heat resistance, but unstable to light, easy to oxidize in the air.