Vitamin K3(MSB) 50/96/98.0% Name: 2-Methyl-1,4-naphthoquinone CAS:58-27-5 Standard: GB7294-87 Menadione Appearance: White to brownish crystalline powder Solubility: Water soluble Specifications: MSB content: 98.5% (Menadione content: 51.5% ) MSB content: 97.5% (Menadione content: 51.0% ) MSB content: 96% (Menadione content: 50.0% ) MSB content: 60-75% (Menadione content: 35.0% ) Item and Index: Item Index contentcounting C11H8O2•NaHSO3•3H20 ,% e96.0 menadione,% e50 Solution color dKelly standard colorimetric solution No 4 sulphonic acid menadione No deposition Moisture,% d13. Heavy metalcounting Pb % d0.002 arsenic saltAs % d0.0005 Packing: 25Kgf netcarton, inner plastic bag Shelf life: 12 months Cell:0086-13573787409 Email:exportcorp@126.com