butyl nitrite butyl nitrite butyl nitrite is the organic compound with the formula ch3(ch2)3ono. it is an alkyl nitrite made from n-butanol. butyl nitrite is used recreationally as poppers. synonyms include 1-butyl nitrite, n-butyl nitrite and nitrous acid butyl ester. butyl nitriteclinical dataatc codenonelegal statuslegal status uk: controlled drug (medicines act 1968) us: unscheduled (illegal under anti-drug abuse act of 1988) identifiers iupac name 1-nitrosooxybutane cas number544-16-1 ypubchem cid10996chemspider10530 yunii44p8qg0f3tcomptox dashboard (epa)dtxsid8049418 echa infocard100.008.057 chemical and physical dataformulac4h9no2molar mass103.121 g·mol−13d model (jsmol)interactive imageboiling point78.0 °c (172.4 °f) smiles ccccon=o inchi inchi=1s/c4h9no2/c1-2-3-4-7-5-6/h2-4h2,1h3 ykey:jqjpbyftqaanle-uhfffaoysa-n y (verify) it can be prepared by treating nitrous acid (generated in situ with n-butanol. applications butyl nitrite is one of the compounds used as poppers, inhalant drugs that induce brief euphoria. it was developed by clifford hassing, a graduate student in los angeles, as a faster-acting analog of alkyl nitrite. among the inhalants' trade names are rush, locker room, and bolt. they are sometimes marketed as "cleaner", liquid incense, or room odorizer. it is used for its euphoric effect and for relaxing the smooth muscles during sexual intercourse.