Tags: Drug.
5-(2-Aminopropyl)-23-dihydro-1H-indene (5-APDI) also known as indanylaminopropane (IAP) IAP (psychedelic) 2-API(2-aminopropylindane) indanametamine and incorrectly as indanylamphetamine is an entactogen and psychedelic drug of the amphetamine family. It has been sold by online vendors through the Internet and has been encountered as a designer drug since 2003 but its popularity has diminished in recent years.