Si Me 3 ) 3 ▁( Me ▁= ▁m eth yl ). ▁ ▁It ▁is ▁a ▁color less ▁liquid ▁that ▁ign ites ▁in ▁air ▁and ▁hydro ly s es ▁readily . ▁ ▁Syn thesis ▁Tr is ( trim eth yl s ily l ) ph osph ine ▁is ▁prepared ▁by ▁tre ating ▁trim eth yl s ily l ▁ch lor ide , ▁white ▁ph osph orus , ▁and ▁sod ium - pot ass ium ▁al loy : ▁ 1 / 4 ▁P 4 ▁ ▁+ ▁▁ 3 ▁Me 3 Si Cl ▁ ▁+ ▁▁ 3 ▁K ▁▁ ▁→ ▁ ▁P ( Si Me 3 ) 3 ▁ ▁+ ▁▁ 3 ▁K Cl ▁Several ▁other ▁methods ▁exist . ▁ ▁Re actions ▁The ▁comp ound ▁hydro ly zes ▁to ▁give ▁ph osph ine : ▁P ( Si Me 3 ) 3 ▁ ▁+ ▁▁ 3 ▁H 2 O ▁▁ ▁→ ▁▁ ▁P H 3 ▁ ▁+ ▁▁ 3 ▁H OS i Me 3 ▁ ▁Tre at ment ▁of ▁certain ▁a cy l ▁ch lor ides ▁with ▁tr is ( trim eth yl s ily l ) ph osph ine ▁gives ▁ph os pha alk yn es , ▁one ▁example ▁being ▁t ert - but yl ph os pha ac et yl ene . ▁ ▁Re action ▁with ▁pot ass ium ▁t ert - but ox ide ▁cle aves ▁one ▁P - Si ▁bond , ▁giving ▁the ▁ph osph ide ▁salt : ▁P ( Si Me 3 ) 3 ▁ ▁+ ▁ ▁K O - t