Shelf Life

4 years

ITEMS

SPECIFICATION

RESULTS

Appearance

A white or silightly yellowish crystalline powder

White crystalline powder

Identification

A.IR

CONFORM

D.Test of sodium salt

CONFORM

Appearance of solution

The solution is clear and its absorbance at 440 nm is not   greater than 0.05

Clear, 0.009

Related substances

Impurity A:NMT0.2%

<0.05%

Impurity F:NMT0.15%

<0.05%

Any specified individual impurity:NMT0.10%

<0.05%

Total impurities:NMT0.4%

0.069%

Heavy metals

NMT 10 PPM

<10ppm

Loss on drying

NMT 0.5%(1g,105℃,3hrs)

0.04%

Assay

99.0~101.0%(dried substance)

100.2%

Conclusion:It accords with BP2015.Be up to the   standard.