... powder Content: 98.5%min Methyl-1,4-naphthoquinone( Vitamin K3)Product Name: Menadione;Methyl-1,4-naphthoquinone;Vitamin K3CAS ... Number: 58-27-5Chemical name: Methyl-1,4-naphthoquinoneMolecular Weight: 172.2Technical conditions:Appearance: Yellow ... 107°CLoss on drying: 0.3%minUsage: β-Menadione(2-methyl-1,4-Naphthaquinone) is a liposoluble, Chemically fairly unstable ...