PROBLEM TO BE SOLVED: To provide a chemical agent container which enables a user to easily and unfailingly apply a chemical agent to a region, such as the back side of a rim of a toilet bowl, which is invisible or less-visible from the user.SOLUTION: A chemical agent container includes: a flexible container body 1 which stores a liquid chemical agent, has a cylindrical mouth part 11 at one end part, and may be pressed a lid member 2 attached to the mouth part of the container body and having a discharge hole 231 which discharges the liquid chemical agent when the container body is pressed and a mirror surface member 3 attached to the container body and having a mirror surface facing in a discharge direction of the discharge hole.
