Company profile
- company name
- Otsuka Chemical Co.,Ltd.
- location
- 3-2-27, Ote-Dori, Chuo-Ku, Osaka, JAPAN, 540-0021
- telephone
- +81-6-6943-7701
- establishment
- August 29, 1950
- capital
- 5,000 million yen
- representative
- President and CEO: Takeharu Harashima
- business domain
- Inorganic salts, Bromides, Hydrazine, Foaming agent, Polymerization initiator, Preparation articles, Potassium titanate fiber, Rust-preventive agent, Fire retarding material, Electro-organic synthesis products, Intermediates of fine, Oronamin-C, others.
Offices
Factories

- Tokushima Factory
- Tokushima factory started the production of hydrazine in 1969. Then the production of the heat-and-serve type convenience food was begun in the next year. We acquired medical supplies manufacture permission in 1973. Then, as for the manufacture of the chemical goods, ISO9001 approval was acquired. Medical supplies manufacture permission articles: Sodium chloride(JP), Potassium chloride(JP), Magnesium chloride(JP), β - lactamase inhibitor ISO9001 approval list:UniformAZ,Hydrazine hydrate,GCLE,TISMO,Maltol, Resin additives,Tenderizer ,Resin modifier

- Naruto Factory
- Naruto factory started as our first production site in 1950. It started with the manufacture of chemicals. ISO9001 approval list:AIBN,ADVN,ACVA(polymerization initiator)

- Matsushige Factory
- Matsushige Factory was established in 1999 ,and started the manufacture of medicine intermediates with start of the production of the plastic compound [TISMO-Poticon],[Wistat] the following year. It is our newest production site.
High technology is used for quality control from the raw material to the product , and advanced quality control is being used at each factory. The fusion of our staff and electronic technology makes a high-quality system. We are supplying the Otsuka brand name a high-quality management system which we can be proud of. The following are 3 factories as used production sites in foreign countries: Hydrazine in South Korea, Foaming agent in Indonesia, Foaming agent in Spain.
Overseas offices
Spain(Barcelona), USA (New York), China (Shanghai)