acetone peroxide

Chemistry, Natural sciences, Organic chemistry, Physical sciences A cyclic organic peroxide; a mixture of mostly the trimer, (((CH₃)₂CO₂)₃), (TCAP or TATP), containing a nine-membered ring and the dimer, (((CH₃)₂CO₂)₂) containing a six-membered ring; it is a high explosive manufactured from acetone and hydrogen peroxide with the aid of sulphuric acid, and has been used by amateur bomb makers.