Tetra-n-butylammonium bromide (TBAB) bụ aquaternary ammonium nnuNgwa nwere ngwa na-ekpuchi ọtụtụ ubi:
1. Organic njikọ
TBABa na-ejikarị eme ihe dị ka ausoro mbufe ihe mkpaliiji kwalite nyefe na mgbanwe nke reactants na usoro mmeghachi omume nke abụọ (dị ka usoro mmiri mmiri), dị ka mmeghachi omume nucleophilic nnọchi, nkwadebe hydrocarbon halogenated, etherification, na mmeghachi omume esterification, nke nwere ike ịbawanye mkpụrụ ma belata oge mmeghachi omume. ;

2. Electrochemistry
A na-eji ya n'ọhịa nke imepụta batrị, dị ka ihe mgbakwunye electrolyte, ọ nwere ike ịkwalite arụmọrụ electrochemical, karịsịa na nyocha nke batrị lithium-ion, na-egosipụta ngwa ndị nwere ike. ;
3. N'ichepụta ọgwụ
Njirimara nje ya na-eme ka ọ bụrụ isi akụrụngwa maka nkwadebe nke ọgwụ nje na-egbu egbu, ebe ọ na-eme ka usoro ndị dị mkpa na njikọ ọgwụ dị ka nguzobe nke carbon nitrogen na carbon oxygen bond.
4.Environmental nchebe
A na-etinye ya na ọnọdụ ọgwụgwọ mmiri site na ntọhapụ ngwa ngwa nke ion metal dị arọ, maka iwepụ ma ọ bụ mgbake nke mmetọ ọla dị arọ na ahụ mmiri. ;
5.Chemical mmepụta
A na-eji kemịkalụ kemịkalụ dị mma maka imepụta agba, ihe na-esi ísì ụtọ na ihe polymer, na itinye aka na alkylation, acylation, na mmeghachi omume ndị ọzọ.