物化性质(Physical properties): 本品为白色或类白色结晶性粉末,微溶于水,不溶于乙醇。 This product is a white to off-white powder or crystalline powder, slightly soluble in water, insoluble in ethanol. 纯度(Purity)HPLC:≥98.0% 含量(Contents)dry basis:≥98.0% 贮藏(storage):阴凉干燥处保存。Preserve in tight containers,in a cool and dry place.