The Collaborative International Dictionary of English v.0.48:

Corruptive \Cor*rupt"ive\ (k?r-r?p"t?v), a. [L. corruptivus: cf.
   F. corruptif.]
   Having the quality of tainting or vitiating; tending to
   produce corruption.
   [1913 Webster]

         It should be endued with some corruptive quality for so
         speedy a dissolution of the meat.        --Ray.
   [1913 Webster]

WordNet (r) 3.0 (2006):

corruptive
    adj 1: tending to corrupt or pervert [syn: corruptive,
           perversive, pestiferous]