ethylisopropyltryptamine ethylisopropyltryptamine eipt is a chemical in the tryptamine family, and produces psychedelic and hallucinogenic effects. it was probably first synthesized by alexander shulgin. ethylisopropyltryptamineclinical dataatc codenonelegal statuslegal status de: npsg (industrial and scientific use only) uk: class a identifiers iupac name n-ethyl-n-propan-2-amine cas number848130-11-0 ychemspider21106305 yunii63j8cxv5z8chemical and physical dataformulac15h22n2molar mass230.355 g·mol−13d model (jsmol)interactive imagemelting point71 to 73 °c (160 to 163 °f) smiles ccn(c(c)c)ccc1cc2ccccc12 inchi inchi=1s/c15h22n2/c1-4-17(12(2)3)10-9-13-11-16-15-8-6-5-7-14(13)15/h5-8,11-12,16h,4,9-10h2,1-3h3 ykey:hqzlbymoycjzrf-uhfffaoysa-n y (verify) chemistry eipt is short for n-ethyl-n-isopropyl-tryptamine. the full chemical name of this structure is n-ethyl-n-propan-2-amine. eipt is a tryptamine, which all belong to a larger family of compounds known as indolethylamines. eipt is closely related to the compounds diethyltryptamine (det) and dipt. dosage in his book tihkal, alexander shulgin lists a dosage for eipt as being 24-40 mg taken orally. effects very little is known about the psychopharmacological properties of eipt, but reports suggest it produces psychedelic effects that can last 4–6 hours. according to shulgin, this compound tends to produce nausea, dysphoria, and other unpleasant side-effects. it also lacks the hallucinatory and visual properties usually associated with psychedelic drugs. dangers there have been no reported deaths or hospitalizations from eipt, but its safety profile is unknown. legality eipt is unscheduled and uncontrolled in the united states, but possession and sales of eipt could be prosecuted under the federal analog act because of its structural similarities to det.