phencyclidine phencyclidine phencyclidine or phenylcyclohexyl piperidine (pcp), also known as angel dust among other names, is a dissociative anesthetic mainly used recreationally for its significant mind-altering effects. pcp may cause hallucinations, distorted perceptions of sounds, and violent behavior. as a recreational drug, it is typically smoked, but may be taken by mouth, snorted, or injected. it may also be mixed with cannabis or tobacco. phencyclidineclinical datatrade namessernyl, sernylan (both discontinued)other namesci-395; phenylcyclohexylpiperidine; "angel dust"ahfs/drugs.comphencyclidineaddictionliabilityvariable reported from low to highroutes ofadministrationsmoking, injection, snorted, by mouthdrug classnmda receptor antagonists; general anesthetics; dissociative hallucinogensatc codenonelegal statuslegal status au: s9 (prohibited substance) br: class a3 (psychoactive drugs) ca: schedule i de: anlage i (authorized scientific use only) nz: class a uk: class a us: schedule ii un: psychotropic schedule ii pharmacokinetic datametabolismoxidative hydroxylation in liver by cyp450 enzymes, glucuronidationmetabolitespchp, ppc, pcaaonset of action2–60 minelimination half-life7–46 hoursduration of action6–48 hoursexcretionurineidentifiers iupac name 1-(1-phenylcyclohexyl)piperidine cas number77-10-1 ypubchem cid6468iuphar/bps4282drugbankdb03575 ychemspider6224 yuniij1doi7uv76keggc07575 ychebichebi:8058 nchemblchembl275528 ycomptox dashboard (epa)dtxsid6023446 echa infocard100.150.427 chemical and physical dataformulac17h25nmolar mass243.394 g·mol−13d model (jsmol)interactive imagemelting point46.5 °c (115.7 °f)boiling point136 °c (277 °f) smiles c1ccccc1c2(ccccc2)n3ccccc3 inchi inchi=1s/c17h25n/c1-4-10-16(11-5-1)17(12-6-2-7-13-17)18-14-8-3-9-15-18/h1,4-5,10-11h,2-3,6-9,12-15h2 ykey:jtjmjgyzqzdujj-uhfffaoysa-n y data pagephencyclidine (data page) ny (what is this?) (verify) adverse effects may include seizures, coma, addiction, and an increased risk of suicide. flashbacks may occur despite stopping usage. chemically, pcp is a member of the arylcyclohexylamine class, and pharmacologically, it is a dissociative anesthetic. pcp works primarily as an nmda receptor antagonist. pcp is most commonly used in the united states. while usage peaked in the us in the 1970s, between 2005 and 2011 an increase in visits to emergency departments as a result of the drug occurred. as of 2017 in the united states, about 1% of people in 12th grade reported using pcp in the prior year while 2.9% of those over the age of 25 reported using it at some point in their lives. recreational uses illicit pcp in several forms seized by the dea. phencyclidine is used for its ability to induce a dissociative state. effects