Usage
Making vitamin D3;
the additive of cosmetic; Regent of other laboratories
Specification
Properties: white or pale white powder; odourIess and tasteless
Melting Point: 136°C—140°C
Specific Rotation: -108° -~-120°
Loss on Drying: 7.0% max.
Assay ( C28H44O ) 90.0%
Solubility Chloroform (Sparingly), DMSO (Slightly, Heated,
Sonicated), Ethyl Acetate (Slightly)
Storage temp. -20°C
