1,4-Diisocyanobutane

1,4-Diisocyanobutane is an organic compound. Its structural formula is CN(CH2)4NC, which similar to adiponitrile but with carbon and nitrogen of cyanide groups switching places. It has been used as a ligand in the formation of organometallic complexes, such as with rhodium - [Rh2(CNC8H14NC)4]2+.