The invention relates to a device for generating decontamination agent vapor in particular hydrogen peroxide vapor comprising and evaporator body (9) a heating unit (22) for heating the evaporator body (9) and a plurality of feed channels (28) for feeding decontamination liquid to be evaporated preferably a liquid containing hydrogen peroxide to the evaporator body (9). According to the invention a plurality of blind holes (16) are provided in the single or multi-part evaporator body (9) and at least one of the feed channels (28) is assigned to the blind holes (16).
