Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. 2C-T-7 is a psychedelic phenethylamine of the 2C family. In his book PiHKAL, Alexander Shulgin lists the dosage range as 10 to 30 mg. 2C-T-7 is generally taken orally, and produces psychedelic and entheogenic effects that last 8 to 15 hours