PROBLEM TO BE SOLVED: To provide a chemical body container which can suppress release of a screwed state of a male side screw thread and a female side screw thread.SOLUTION: A chemical body container includes a support member 20 and a cover member 40. Either of the support member 20 or the cover member 40 has a male screw part 25 and the other has a female screw part 47. The male screw part 25 includes a male screw part main body 26 and a male side screw thread 27. The female screw part 47 includes a female screw part main body 48 and a female side screw thread 49. The member having the male screw part 25 out of the support member 20 and the cover member 40 includes an opposite wall 32 opposite to an outer circumference surface 48b of the female screw part main body. The opposite wall 32 includes an inside retraining part 32a which maintains a mutually and vertically overlapped state of both of the screw threads 27, 49 by abutting on the outer circumference surface of the female screw part main body when the female screw part main body 48 relatively displaces outward to the male screw part 25.
