PROBLEM TO BE SOLVED: To provide an industrial antibacterial, antifungal and algicidal agent that is available for a wide range of industrial applications and has excellent storage stability.SOLUTION: An industrial antibacterial, antifungal and algicidal agent contains two antibacterial, antifungal and algicidal compounds having with specific melting points and water solubilities, an organic solvent having water solubility with a flash point of 100°C or more, an alkali swellable thickener, and water.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】幅広い工業用途に利用可能で、保存安定性に優れる工業用抗菌・防カビ・防藻剤を提供すること。【解決手段】特定の融点および水溶解度を有する2つの抗菌・防カビ・防藻性化合物、引火点が100℃以上の水溶性を有する有機溶媒、アルカリ膨潤型増粘剤および水を含有することを特徴とする、工業用抗菌・防カビ・防藻剤を提供する。【選択図】なし