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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