物化性质(Physical properties): 本品为白色至微黄色粉末。本品在水或生理盐水中易溶,在乙醇,丙酮或乙醚中不溶。 This product is a white to yellowish powder, freely soluble in water or NS, insoluble in ethanol, acetone and ether. 效价(以无水物计)Activity(anhydrous basis):≥3.0EPU/mg 贮藏(storage):遮光,严封保存。Preserve in tight, light-resistant containers.