TPPA–IL–Fe3O4 were prepared and well characterized.
TPPA–IL–Fe3O4 could be easily separated from solution with an external magnet.
The TPPA–IL–Fe3O4 was characterized by, FT-IR, SEM, TGA, DLS, EDS and VSM.
The catalytic activity of TPPA–IL–Fe3O4 was investigated in acetylation of alcohols.