Tetraoctylammonium bromide (TOAB or TOABr) is a
quaternary ammonium compound
In organic chemistry, quaternary ammonium cations, also known as quats, are positively-charged polyatomic ions of the structure , where R is an alkyl group, an aryl group or organyl group. Unlike the ammonium, ammonium ion () and the primary, sec ...
with the chemical formula:
H3(CH2)7sub>4
N Br. It is generally used as a
phase transfer catalyst
In chemistry, a phase-transfer catalyst or PTC is a catalyst that facilitates the transition of a reactant from one phase into another phase where reaction occurs. Phase-transfer catalysis is a special form of catalysis and can act through homog ...
between an
aqueous
An aqueous solution is a solution in which the solvent is water. It is mostly shown in chemical equations by appending (aq) to the relevant chemical formula. For example, a solution of table salt, also known as sodium chloride (NaCl), in wat ...
solution and an
organic solution.
References
Quaternary ammonium compounds
{{organic-compound-stub