Tetrabutylphosphonium bromide with CAS 3115-68-2

what is of  Tetrabutylphosphonium bromide with CAS 3115-68-2?

Tetra-n-butylphosphonium bromide is used as a phase-transfer catalyst at high temperatures, at which nitrogen analogues tend to undergo elimination e.g. as catalyst for the dealkoxycarbonylation of malonates and ?-keto esters by heating in stearic acid.

Specificatie

mp	100-103 °C(lit.)
Fp	290 °C
Oplosbaarheid In Water	ca 70 g/100 mL
Gevoelig	Hygroscopische
BRN	4160474
CAS DataBase Verwijzing	3115-68-2(CAS DataBase Verwijzing)
NIST Chemistry Reference	Phosphonium bromide, tetrabutyl(3115-68-2)

Toepassing

Verpakking

Meestal verpakt in 25kg/trommel,en kan ook worden aangepast pakket.

Synoniemen

Tetrabutylphosphonium bromide,98%; Tetrabutylphosphomum bromide; Phosphonium,tetrabutyl-,bromide; px4b; Tertabutylphosphoriun bromide; tetrabutyl-phosphoniubromide; Tetra-N-butylphosphoniumbromide99%; TributylphosphoniuM broMide; TetrabutylphosphoniuM broMide, 98% 25GR