1,1`-Azobis(cyclohexanecarbonitrile) or ABCN is a radical initiator. The molecular formula is NCC6H10N=NC6H10CN. It is classified as highly flammable and an irritant. ABCN has a 10 hr half life in toluene at 88 °C. ... Found on http://en.wikipedia.org/wiki/ABCN