Otsuka Chemical is a company that transforms the power of materials into KATACHI.
In 1921, the Otsuka Group began manufacturing using "nigari" (bittern) from seawater in Naruto, Tokushima. Since then,products and technologies utilizing nature's bounty have come to be used across a wide range of industrial fields today.
Otsuka Chemical was established in 1950 as a subsidiary of Otsuka Holdings Co.,Ltd., when the organic chemistry division was separated from Otsuka Pharmaceutical Factory.
Otsuka Chemical focuses on hydrazine-related business, materials business, and fine business, providing products globally to a wide range of fields including "automotive," "electrical/electronic," "housing," and "medical." With materials at our core, we aim to create innovative products that bring "healthy and prosperous living" to society together with our customers through continuous technological innovation.
【Contact Information】
Otsuka Chemical Co., Ltd. Tokyo Head Office
2-2 Kanda Tsukasamachi, Chiyoda-ku, Tokyo 101-0048, Japan
https://www.otsukac.co.jp/en/
TEL: +81-3-5297-2727
* Please consult us for reactions not limited to those listed below
• Hydrazide formation reactions
• Reduction reactions (using hydrazine)
• Oxidation reactions
• De-esterification reactions
• Cyclization reactions
As a leading company in hydrazine, Otsuka Chemical has extensive manufacturing experience with various hydrazine derivatives. We have now launched contract manufacturing services using facilities capable of handling Class 5 dangerous goods under the Fire Service Act.
Otsuka Chemical Co., Ltd. operates under the philosophy of "contributing to
customers through creative technology," conducting research and development of
products aimed at global markets with unique technologies that are competitive
worldwide. In recent years, we have also been placing even greater emphasis on
research and development toward achieving sustainability, including carbon
neutrality.
|
Reactor① |
Reactor② |
Crystallizer |
Separation Standby Tank |
| Capacity |
5,000 L |
5,000 L |
5,000 L |
5,000 L |
| Applicable Regulations |
FireServiceLaw（Article 20 Tank） |
FireServiceLaw（Article 20 Tank） |
FireServiceLaw（Article 20 Tank） |
FireServiceLaw（Article 20 Tank） |
| Material |
GL |
SUS316L |
GL |
GL |
| Applicable Viscositys |
1～100mPa’s |
1～100mPa’s |
1～100mPa’s |
1～100mPa’s |
| Operating Temperature |
-25℃～160℃ |
0℃～130℃ |
0℃～130℃ |
0℃～130℃ |
• Capable of handling/manufacturing Class 5 dangerous goods under the Fire Service Act at quantities 100 times or more than the designated amount.
• Automatic control via DCS and pressure/temperature monitoring capabilities.
• Low-temperature specification reactors enable low-temperature reactions down to -25°C using CBR equipment.
• Experience with hot filtration, performing activated carbon removal at high temperatures.
• Explosion-proof Ti-lined centrifuge enables solid-liquid separation of organic solvents and acidic substances.
Otsuka Chemical's products are used in various applications and fields including pharmaceuticals, food, automotive, electronic devices, and housing. We understand each customer's needs and quality requirements, as well as the requirements demanded by each industry, and manufacture products that satisfy our customers under thorough quality control.
Our company has obtained ISO9001 certification for quality management systems internationally across the entire company (excluding some departments).
Tokushima Factory;
〒771-0193 463 Kagasuno, Kawauchi-cho, Tokushima City, Tokushima Prefecture
The Tokushima Factory was established in 1969. As the main domestic factory, it manufactures pharmaceutical active ingredients, organic chemicals, and functional inorganic fibers.
- 540-0021 3-2-27, Ote-Dori, Chuo-Ku, Osaka, JAPAN
- Tel.+81-6-6943-7701 Fax.
- website
