Standard

Result of Inspection        

Character

White grainy crystal with specific aroma of camphor                    

qualified              

Specific Density    

0.990~0.995                               

0.993           

Optical Rotation    

41°~44°                                             

42°             

Boiling Range          

176°C~181°C                                             

178°C           

Solubility

Completed dissolved in 3 times the volume of ethanol(95%), assume clarified solution

qualified

Content             

camphor≥96%                                  

≥96%                

Microbial Limit              

bacteria:≤500/g                               

qualified                

Mildew & microzyme:≤50/g                          

qualified              

Live acarid:forbidden                           

without              

Escherichia coli:forbidden                          

without               

Reference: “Pharmacopoeia of People's Republic of China”