Description

性状

Off-white powder,very hygroscopic.

类白色粉末，极易引湿

White to yellowish powder,very hygroscopic.

白色或淡黄色粉末，极易引湿

Solubility

溶解度

Complies

符合要求

Freetly soluble In water and methanol and dichloromethane

在水、甲醇和二氯甲烷中易溶

Identification

鉴别

Complies

符合要求

（1）By IR, To match with working standard

 IR图谱应与对照品一致

Complies

符合要求

（2）It  gives reaction of sodium

应显钠盐的鉴别反应

Impurities A

杂质A

Not  detected

未检出

             ≤0.1%

Related compounds

有关物质

＜0.1%

Any  impurity  任意杂质 ≤0.1%

0.19%

Total impurities  总杂质 ≤0.4%

Residual Solvents

溶剂残留

Not  detected

未检出

Acetidin乙酸乙酯≤ 0.5%

0.04%

Dichloromethane二氯甲烷≤ 0.06%

0.01%

Methanol甲醇≤ 0.3%

0.01%

Acetone 丙酮≤ 0.5%

Not  detected

未检出

Acetonitrile乙腈≤0.041%

0.01%

Ethanol乙醇≤0.5%

Not  detected

未检出

N, N-dimethylformamide N,N-二甲基甲酰胺≤0.088%

Water

水分

2.35%

≤ 5.0%

Assay

含量

99.35%

99.0%-101.0%（On anhydrous basis以干品计）