methylisopropyltryptamine methylisopropyltryptamine n-methyl-n-isopropyltryptamine (mipt) is a psychedelic tryptamine, closely related to dmt, dipt and miprocin. methylisopropyltryptamine legal statuslegal status au: unscheduled ca: unscheduled de: npsg (industrial and scientific use only) uk: class a us: schedule i (positional isomer of det) identifiers iupac name n--n-methylpropan-2-amine cas number96096-52-5pubchem cid29935323chemspider21106353 yuniijo3scr302achemblchembl353728 ychemical and physical dataformulac14h20n2molar mass216.328 g·mol−13d model (jsmol)interactive image smiles cc(c)n(c)ccc1cc2ccccc12 inchi inchi=1s/c14h20n2/c1-11(2)16(3)9-8-12-10-15-14-7-5-4-6-13(12)14/h4-7,10-11,15h,8-9h2,1-3h3 ykey:ktqjvajljzikkd-uhfffaoysa-n y (verify) chemistry mipt base, unlike many other tryptamines in their freebase form, does not decompose rapidly in the presence of light or oxygen. in august 2019, chadeayne et al. solved the crystal structure of mipt fumarate. its systematic name is (methyl)propan-2-ylazanium 3-carboxyprop-2-enoate. the salt consists of a protonated tryptammonium cation and a 3-carboxyacrylate (hydrogen fumarate) anion in the asymmetric unit. dosage 10-25 mg is usually taken orally, with effects lasting 4–6 hours. effects mipt is said to emphasize psychedelic/entheogenic effects over sensory/hallucinogenic activity. users report strong mental effects, but few perceptual alterations. hyper sensitivity to sound as well legality sweden's public health agency suggested classifying mipt as a hazardous substance, on may 15, 2019. in the united states mipt is considered a schedule 1 controlled substance as a positional isomer of diethyltryptamine (det). mipt is specifically mentioned by name in the dea controlled substance orange book.