分析项目

ITEM OF ANALYSIS

指标

STANDARD

性状Appearance

黄色粉末Yellow powder

纯度Purity

≥98.0%

鉴别Identification

本品红外吸收与对照一致

The IR absorption of sample is accordance with that of reference

熔点Melting point

138~146℃

干燥失重Loss on drying

≤1.0%

重金属Heavy metals

≤20ppm

单杂Individual impurity

≤1.0%