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Pyrrole
 Name:Pyrrole 
 CAS:109-97-7  
  MF:C4H5N
  The detailed specifications are as below:

Item of testing  Specification Result 
Appearance Colorless to yellow clear liquid, browning after long time storage Light yellow clear liquid
Purity(GC),% ≧99.50% 99.70%
Water Content,% ≦0.30% 0.04%
Conclusion Conforms