Toagosei Co., Ltd., together with its subsidiaries, manufactures, distributes, and sells chemical products in Japan and internationally.

The company operates through Commodity Chemicals, Polymer & Oligomer, Adhesive Material, Performance Chemicals, and Plastics segment.

It offers inorganic products, including liquid caustic soda, liquid chlorine, synthetic hydrochloric acid, sodium hypochlorite, caustic and super potash, sulfuric acid, sodium sulfite, potassium pyrophosphate, and copper oxide, as well as iron perchloride, hypochiorous acid, copper pyrophosphate, and copper potassium pyrophosphate solutions; chlorinated solvents, such as trichlorethylene and tetrachlorethylene; and ammonium sulfate and potassium bicarbonate fertilizers.

The company also provides acrylic monomers; acrylamide tertiary butyl sulfonic acid and ethylene carbonate; acrylic polymers, such as dispersants, thickeners, scale inhibitors, pressure sensitive adhesives, binders, paint vehicles, and gelling agents; special polymers; solvent-free acrylic polymers; special acrylic monomers; polymer flocculants; and UV-curable resins.

Further, the company provides instant glues and functional adhesives; inorganic chemicals, such as liquid hydrogen chloride, and hexachlorodisilane, as well as potassium hydroxide and carbonate aqueous, and ferric chloride solutions; and inorganic functional materials, including electronic materials and amenity care materials.

Additionally, it offers industrial gases, such as oxygen, nitrogen, argon, hydrogen, carbon dioxide, and mixed gas; and products for the construction and civil engineering.

The company was founded in 1933 and is headquartered in Tokyo, Japan.