High quality white crystalline Oxygen scavenger CarbohydrazideApplication: Strong reductive agent, can be used as intermediates of energy-contain material, and ingredients of rocket explosive and impelling agent; Also it is the highest efficient agent to move Oxygen from boiler, with lower toxin, high melting point and high efficiency, safe to environment; and it can be used as cross-linking agent of elastic fiber in chemical fiber industry; as chemical raw material and intermediate, it is widely used in pharmaceuticals, herbicide, plant growth regulator and dyestuff industry.