Appearance: White or almost white crystals
Solubility: Practically insoluble in water,freely soluble in cthanol(96 percent),soluble in trimethylpentane and fatty oils
Assay: 97%-103%
Inspection item Specification Analysis results
Description A white crystalline powder Corresponding
Solubility Comply Corresponding
Identification Comply Corresponding
Melting point 82℃~87℃ 82.8℃
7—Dehydrocholesterol Max 0.2% Corresponding
Light absorption 465~495 475
Specific optical rotation +105°~+112° +106.48°
Assay 97.0%~103.0% 98.24% |