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          1,5-Naphthalene Diisocyanate (NDI)
          
									 
									   									   
									
           
									      
									 
									 
          Molecular formula: C12H6N2O2 
          
Molecular weight: 210.19
          
CAS number: 3173-72-6
          
Structural formula:
          


          


          Appearance: White to light yellow flaky crystal
          
Melting point: 126-127°C
          
Boiling point: 167°C (5 X 1.33 KPa)
          
Density: 1.42-1.45g/cm3