PROBLEM TO BE SOLVED: To provide a stable package for storage with which a container or the like for injections which is constituted by filling a bottle or the like with an aqueous solution agent containing a pyrazolone derivative such as edaravone as an active constituent, are not colored, alteration or the like of the content can be confirmed from outside the package, and the contents of the active constituents are not lowered.SOLUTION: The package is constituted by introducing the aqueous solution agent into a plastic container and sealing the container, thereafter packaging the container with a gas-barrier outer packaging material having a resin layer consisting essentially of a cyclic polyolefin-based resin, as an innermost layer or a layer adjacent to the innermost layer.COPYRIGHT: (C)2010,JPO&INPIT【課題】エダラボンなどのピラゾロン誘導体を有効成分として含有する水溶液剤をボトル等の容器に充填した注射剤容器等が着色せず、包装体外から内容物の変質等を確認することが出来、かつ有効成分の含有量が低下しない安定な保存用包装体を提供する。【解決手段】プラスチック製容器に入れ密封した後、これを環状ポリオレフィン系樹脂を主成分とする樹脂層を最内層又は最内層と隣接する層として有するガスバリア性の外装材料で包装したことを特徴とする包装体。【選択図】 なし
