物化性质(Physical properties):
本品为白色至微黄色粉末;极具引湿性。
This product is a white to yellowish powder, hygroscopicity.
纯度(Purity)HPLC:≥98.0%
含量(Contents)dry basis:≥90.0%
贮藏(storage):严封,凉暗干燥处保存。Preserve in tight, light-resistant containers, in a cool and dry place.