Pyrrole????

Wako Pure Chemicals
Grade: Wako Special Grade
Storage condition: Keep at 2-10 degrees C.
Manufacturer: Wako Pure Chemicals   
Summary??UN 1993    

Appearance:  Colorless - brown, clear liquid
Purity:  99.0+% (Capillary GC)
Toxicity:  LD50 (mus, scu) 61mg/kg.
Melting Point:  -23 degrees C
Boiling Point:  about 130 degrees C
         130 - 131 degrees C (761mmHg)
Flash Point:  39 degrees C (tag closed test)
         39 degrees C
Density:  0.965 - 0.975 g/ml (20 degrees C)
Specific Gravity:  0.969 (20/4degrees C)
Refractive Index:  1.5085 (20 degrees C)
                 1.5085 (20degrees C)
Molecular Formula C4H5N
Molecular Weight 67.09

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