Nippon Kayaku (日本化薬, "Japan Pharmaceuticals") is a Japanese company that was founded in 1916 as the first industrial explosives manufacturer in Japan under the company name Nippon Kayaku Seizo Co., Ltd.. Its main business areas are functional chemicals, pharmaceuticals, safety systems and agrochemicals.
It has 8 plants and 4 laboratories in Japan. It also has subsidiaries in different countries around the world. It is listed on the Nikkei 225.
Major products made by Nippon Kayaku are: epoxy resins, UV-curing type resins, functional films, colors for inkjet printers, catalysts, dyes pharmaceuticals, pharmaceutical API and intermediates, diagnostics, airbag inflators, micro gas generators for seatbelt pretensioners, squibs, agrochemicals.