PROBLEM TO BE SOLVED: To provide a volatilization device which can prevent leakage of a chemical to the exterior, even if the device is fallen.SOLUTION: A volatilization device 10 comprises: a contour body 5 which has at least a bottomed cylindrical container 20 a liquid suction member 60 which is located in the container 20 a clip 90 which is provided on the container 20, and projects to a radial direction outer side with respect to an outer peripheral surface of the container 20 and a hole 47 which is formed in the container 20, and communicates the interior and the exterior of the container 20 with each other. The hole 47 is located at any position in an axial direction of the container 20 on a side opposite to the clip 90 with an axis of the container 20 interposed therebetween.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2018,JPO&INPIT【課題】転倒しても薬液が外部へ漏れ出ることを防止できる揮散装置を提供すること。【解決手段】揮散装置10は、有底筒状の容器20を少なくとも有する外郭体5と、容器20内に配置される吸液部材60と、容器20に設けられ、容器20の外周面より径方向外側に突出するクリップ90と、容器20内に形成され、容器20の内部及び外部を連通する孔47と、を備える。孔47は、容器20の軸線を挟んでクリップ90の反対側の容器20の軸方向のいずれかの位置に配置される。【選択図】 図2