Method for producing polyfunctional acrylate

A method for producing a multifunctional acrylate comprising

• step 1 comprising a transesterification reaction of an acrylate and a polyhydric alcohol in the presence of an organotin compound to give a reaction mixture comprising the organotin compound and a multifunctional acrylate,
• step 2 comprising evaporating a compound having a boiling point lower than the organotin compound and the multifunctional acrylate from the reaction mixture to give a residue comprising the organotin compound and the multifunctional acrylate,
• step 3 comprising distilling the residue to give a distillate comprising the organotin compound and the multifunctional acrylate and a distillation residue comprising the organotin compound, and
• step 4 comprising adding an acid to the distillate and distilling the mixture comprising the acid to give a multifunctional acrylate with a reduced tin content.