2c-se 2c-se 2c-se is a lesser-known psychedelic drug. it was originally named by alexander shulgin as described in his book pihkal (phenethylamines i have known and loved). shulgin considered 2c-se to be around three times the potency of mescaline, but was too concerned about toxicity to test it extensively, though he considered it noteworthy as the only psychedelic drug to contain a selenium atom. 2c-se names preferred iupac name 2-ethan-1-amine identifiers cas number 1189246-68-1 y 3d model (jsmol) interactive image chemspider 21106227 y pubchem cid 44719515 unii 0khr4cw43b inchi inchi=1s/c11h17no2se/c1-13-9-7-11(15-3)10(14-2)6-8(9)4-5-12/h6-7h,4-5,12h2,1-3h3key: cxquhxatpufgmc-uhfffaoysa-n smiles nccc1cc(oc)c(cc1oc)c properties chemical formula c11h17no2se molar mass 274.218 g/mol melting point 240–241 °c (464–466 °f; 513–514 k) except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references