... .Appearance: White needle crystal 3.Usage: phase transfer catalyst Tetraphenyl phosphonium bromide Tetraphenyl phosphonium bromideProduct series: quaternary phosphonium salt seriesNo.: B020Molecular formula ... oProductShow = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Tetraphenyl phosphonium bromide