物化性质(Physical properties): 本品为白色或类白色结晶或粉末,本品在水中易溶,在乙醇,乙醚,三氯甲烷中几乎不溶。 This product is a white to off-white crystal or powder, freely soluble in water, insoluble in ethanol, ether and chloroform. 纯度(Purity)HPLC:≥98.0% 含量(Contents)dry basis:≥98.0% 贮藏(storage):密封,凉暗干燥处保存。Preserve in tight, light-resistant containers, in a cool and dry place.