Ergosterol CAS Number:57-87-4 Molecular Formula:C28H44O Molecular Weight:396.66 . EINECS:200-352-7 Density:1g/cm3 Melting Point:170 C Boiling Point:250 ºC (1.3 mmHg) Flash Point:216.3°C Solubility:Insoluble Risk Codes:R28 Details Appearance:white to yellow crystalline powder