Tosoh is a Japanese diversified chemical manufacturer and the core company of the Tosoh Group. Its businesses span basic chemicals such as chlor-alkali and vinyl products (including caustic soda, chlorine, and PVC), petrochemicals and organic intermediates, and a broad range of specialty materials. These specialties include zeolites, zirconia, silica and quartz materials, sputtering targets, and ion-exchange resins, as well as engineering plastics.
The company also operates a life-science segment through Tosoh Bioscience, which provides chromatographic media, HPLC columns and instruments, and diagnostic reagents used in biopharmaceutical and analytical applications. With major production complexes in Japan and operations across Asia, Europe, and the Americas, Tosoh supplies key materials and technologies to industries including automotive, construction, electronics, water treatment, and healthcare. The group emphasizes reliable supply, quality, and safety in large-scale chemical production and advanced materials manufacturing.
Also known as 東ソー株式会社.
Verification project to recycle zirconia dental milling waste into regenerated raw material and remanufactured blocks for reuse; practical use targeted by FY2028 with dental labs.
A demonstration test aims to improve chemical logistics via rail, addressing transport capacity issues and reducing emissions by using collaborative 31-foot containers.
The expanded HQ features advanced labs and training areas for chromatography, enhancing customer collaboration and innovation in biomolecule and polymer analysis.
