PROBLEM TO BE SOLVED: To provide a vial that reliably prevents a solution from scattering to the outside of a container body.SOLUTION: A vial according to the present invention comprises: a cylindrical container body 2 in which an upper end part and a lower end part are open a sealing member 3 that seals the upper end part of the container body 2 and a sliding member 4 arranged so as to be capable of sealing a drug in the container body 2 between the sealing member 3 and the sliding member 4 and sliding in the container body 2 in the longitudinal direction of the container body 2.COPYRIGHT: (C)2015,JPO&INPIT【課題】溶解液が容器本体の外部へと飛散することを確実に防ぐバイアルを提供することを課題とする。【解決手段】本発明に係るバイアルは、上端部及び下端部が開口した筒状の容器本体2と、容器本体2の上端部を封止する封止部材3と、封止部材3との間で薬剤を容器本体2内に密閉し、且つ容器本体2内において容器本体2の長さ方向に摺動可能に設置された摺動部材4と、を備えている。【選択図】図1