- Bu ▁▁ ▁→ ▁▁ ▁K P ( Si Me 3 ) 2 ▁ ▁+ ▁ ▁Me 3 Si O - t - Bu ▁ ▁It ▁is ▁a ▁re agent ▁in ▁the ▁prepar ation ▁of ▁metal ▁ph osph ido ▁clusters ▁by ▁reaction ▁with ▁metal ▁hal ides ▁or ▁car box yl ates . ▁ ▁In ▁such ▁re actions ▁the ▁s ily l ▁hal ide ▁or ▁s ily l ▁car box yl ate ▁is ▁liber ated ▁as ▁illustrated ▁in ▁this ▁ideal ized ▁reaction : ▁P ( Si Me 3 ) 3 ▁ ▁+ ▁▁ 3 ▁Cu Cl ▁▁ ▁→ ▁▁ ▁Cu 3 P ▁ ▁+ ▁▁ 3 ▁Cl Si Me 3 ▁ ▁Saf ety ▁Tr is ( trim eth yl s ily l ) ph osph ine ▁sp ont ane ously ▁ign ites ▁in ▁air , ▁thus ▁it ▁is ▁handled ▁using ▁air - free ▁techniques . ▁ ▁References ▁ ▁Category : Tr im eth yl s ily l ▁comp ounds ▁Category : Ph osph ines <0x0A> </s> ▁Nash ▁Har bor ▁is ▁an ▁un in cor por ated ▁community ▁on ▁N un iv ak ▁Island ▁in ▁Beth el ▁Census ▁Area , ▁Al aska , ▁United ▁States . ▁Nash ▁Har bor ▁is ▁located ▁on ▁the ▁western ▁shore ▁of ▁the ▁bay ▁of ▁the ▁same ▁name , ▁on ▁the ▁northern ▁coast ▁of ▁the ▁island . ▁ ▁It ▁lies ▁ ▁west ▁of ▁M ek ory uk , ▁the ▁main ▁city ▁on ▁the ▁island . ▁The ▁community ▁was ▁originally ▁a ▁Y up ik ▁settlement ▁and ▁had ▁a ▁population ▁of ▁ 4