産業用途：
* 顔料生成： It is a key precursor in the production of lithopone, a white pigment used in paints, inks, and plastics.
* Luminous Paints: Barium sulfide can be used to create phosphorescent materials, which emit light after exposure to ultraviolet light. This was particularly important in the past for making luminous paints used in dials, clocks, and other applications. However, its use has largely been replaced by safer alternatives.
* 化学合成： 硫化バリウムは、水酸化バリウムや硫酸バリウムを含む他のバリウム化合物の合成に使用されます。
その他のアプリケーション：
* Depilatory Agent: 過去には、硫化バリウムは、いくつかの脱毛産物の脱毛剤（髪のリムーバー）として使用されていました。 However, its use has been discontinued due to its toxicity.
* Treating Leather: Barium sulfide was once used in tanning processes to remove hair and soften leather. This use has also been discontinued due to safety concerns.
重要な考慮事項：
* 毒性： Barium sulfide is highly toxic and should be handled with extreme care. It can cause severe skin, eye, and respiratory irritation, as well as systemic poisoning.
* 不安定性： Barium sulfide reacts with moisture and air, decomposing and releasing toxic hydrogen sulfide gas. Therefore, it must be stored in airtight containers and handled with caution.
代替案：
Due to its safety concerns, barium sulfide's use has been largely replaced by safer alternatives in most applications. For instance, titanium dioxide has largely replaced lithopone as the primary white pigment.
結論：
While barium sulfide has some industrial applications, its use is limited due to its toxicity and instability.代替品は広く利用可能であり、この化合物の取り扱いと保管には厳格な安全上の注意事項が必要です。
