Physical characteristics: White crystal power, little water – soluble(1.3g/100ml), easily dissolved in ethane and chloroform. MNB unique advantage: Based on MSB, combined with niacinamide molecular group, MNB has higher stability and bioactivity. It also saves the separate quantity of the addition of niacinamide. Reservation: Name: Menadione Nicotinamide Bisulphate Molecular formula: C17H16N2O6S Molecular weight: 376.23 Appearance: White to creamish crystalline powder Solubility: Insoluble in water Specifications: MNB 96% Content of -menadione: 43.7% min Content of Nicotinamide: 31.2 %in MNB 50% Content of -menadione: 23.3%min Content of Nicotinamide: 16.4%min Packing: 25Kgf netcarton, inner plastic bag Shelf life: 12 months