As for this invention, the next formulaSo 3 where it is shown it regards the lumber treatment manner which uses the antiseptics, and its antiseptics which for wood preservation contain the - isopropyl 2 trifluoromethyl benzoic acid anilide as the active ingredient. It possesses the antisepsis effect which quite at the dosage is superior low, according to this invention, vis-a-vis various wood-destroying fungi is superior in economical efficiency, the antiseptics for wood preservation and where the load for environment is small it is produced to offer lumber treatment manner.本発明は、次式で示される3’-イソプロピル-2-トリフルオロメチル安息香酸アニリドを有効成分として含有する木材保存用防腐剤、およびその防腐剤を用いた木材処理方法に関する。本発明によれば、各種の木材腐朽菌に対して極めて低薬量にて優れた防腐効果を有し、経済性に優れ、環境に対する負荷が小さい木材保存用防腐剤および木材処理方法を提供することができる。
