联苯苄唑

Item

Requirement

Result

Description                    

White or almost white crystalline power

white crystalline power

Assay                          

98.0-100.5%

99.60%

Identification                      

IR complies to CRS

Identical

Optical rotation                               

The angle is -0.10⁰～+0.10⁰

The angle is +0.10⁰

Related

Substance

MAX:2.0%(total)

0.64%

Impurity B≤1.5%

0.41%

Impurity C≤0.25%

/

MAX:0.5%(each)

0.28%

Particle size

100%＜80MESH

Loss on drying

≤0.5%

0.35%

Sulphated ash

≤0.1%

0.03%

Expiry date

Three years

Conclusion： Complies with CP2010