From OEHHA:

Chemicals Listed Effective June 22, 2012 As Known To The State Of California To Cause Cancer: benzophenone (CAS No. 119-61-9), coconut oil diethanolamine condensate (cocamide diethanolamine) (CAS No. 68603-42-9), diethanolamine (CAS No. 111-42-2), and 2-methylimidazole (CAS No. 693-98-1)

To download the most recent Proposition 65 List see the above link.