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Daihachi Chemical Industry Co., Ltd.

Manufacture's Feature

Based on our esterification technology accumulated since Daihachi Chemical Industry ‘s establishment, we have created a variety of products to meet user’s requirement as a leading manufacturer of phosphate ester plasticizers and flame-retardants.

Specialized Areas

We have expertise in manufacturing intermediates for medicines and agricultural chemicals, flame-retardants and other chemicals. Especially we excel at synthesis of phosphorus compounds.

Specialized Technologies

Phosphorus oxychloride, phosphorus trichloride, propylene oxide, and ethylene oxide are available as materials.


Daihachi Chemical Industry consists of two major departments. Manufacturing engineering department in Neyagawa plant focus on market needs and their main task is to explore combination of existing technologies from various perspective. At the same time, Product development department in Handa plant pursue the subject which to become the fundamental technology in the future.

Specialized Manufacturing Equipment

We have reactors for general organic syntheses as well as distillation apparatuses with a capacity from several hundreds kilograms to several tens tones.

Qualification for Quality Control

We have obtained ISO 9002 certification and take all possible measures to ensure the best quality assurance system.

Qualification for Environmental Issues

All the sewage is treated by activated sludge system. We have obtained ISO-1401 certification.

Plant Location of Custom Manufacturing

Neyagawa plant: 9-1 Shinke 1-Chome, Neyagawa, Osaka 572-0812 Japan Handa plant: 1-9 Nitto-cho, Handa, Aichi 475-0033 Japan Fukui plant: 1-2 Techno-port 3-Chome, Shirakata-Cho, Fukui 910-3138 Japan

Company Information

  • 541-0046 Hiranomachi Yachiyo Bldg., 8-13, Hiranomachi 1-chome, Chuo-ku, Osaka 541-0046, Japan
  • Tel.+81-6-6201-1451 Fax.+81-6-6201-1458
  • website