Caustic Soda

Contact Tosoh

To inquire about chlor-alkali products and export for your market, please contact your nearest representative:

Tosoh Corporation
Shiba-koen First Bldg.
3-8-2, Shiba, Minato-ku
Tokyo 105-8623
Contact Form

Tosoh Asia Pte. Ltd.
63, Market Street, #10-03
Bank of Singapore Centre
Singapore 048942
Tel: +65 6226 5106
Fax: +65 6226 5215
E-mail: [email protected]

Tosoh (Shanghai) Co., Ltd.
The Place, B1609 & B1612
100 Zunyi Road, Changning
Shanghai, China 200051
Tel: +86 21 6270 2810
Fax: +86 21 6270 2820
E-mail: [email protected]

Caustic soda is used in manufacturing essential items like soap

Product Name: Caustic Soda
Generic Name: Sodium Hydroxide
Chemical Formula / Diagram: NaOH 
Product Overview: Tosoh is Japan's largest producer of caustic soda. High capacity diaphragm cells and the latest ion exchange membrane technology are employed in the manufacture of this vital basic chemical.
Applications: Chemical 49.3%
Paper and pulp 10.6%
Rayon 3.9%
Export 8.6%
Others 27.6%

Source: Japan Soda Industry Association