Menadiol Diacetate(Vitamin K4) Aspectus: White Crystal Powder Molecular Formula: C31H46O2 Molecular Wight: 258.2693 CAS Number: 573-20-6 EINECS Number: 201-564-2 Density 1.2g/cm3 Boiling point 388.9° C at 760 mmHg Refractive index 1.58 Flash point 195.1° C