Vitamin K3 MSB (Menadione Sodium Bisulfate) 99%, 98%, 96%, 50% Molecular fomula.: C11H8NaHSO3.3H2O Molecular weight: 330.18 Aspects and characters: White crystal power, no smell, water-soluble, not dissolved in ethanol, hardly dissolved in aether and benzene, easily decomposed under light, stimulating skin and respiratory tract. Efficacy: It facilitate the formation of thrombin so as to speedup of maintain the normal concretion time of blood. As well as it facilitate the formation. It is also diuretic and strengthen liver's detoxification ability. Deficiency of VK3 will lead to longer concretion time of blood or to bleeding nonstop. That meens even very small wounds may lead to the breach of blood vessels. Resulting in extensive observable under-skin bleeding and bleeding fo other apparatuses or organs sush as: Muscles, brain, stomach, intestines, abdomen, urinary system, genital system and so on. More seriously. It may lead to hematuria and anaemia, even death Reservation: Reserved in a place that is shabby and cool, lightproof and dry Guarantee period: One year. Please use it as soon as possible after unpacking for fear of metamorphose Packaging: 25kg/carton MNB (Menadione Niacinamide Bisulfite) 96%, 50% Molecular Formula: C17H16O6N2S=376.23 Efficacy: Based on MSB, combined with niacinamide molecular grorp, MNB has higher stability and bioactivity. It also saves the separate quantity of the addition of niacinamide Physical characteristics: White crystal power. Little water-soluble(1.3G/100ml) Storage: Airproof avoiding light, heat and moisture. Guarantee period: Under original packing. The guarantee period is 2 years Packaging: 25kg/carton