We have built up our technical skills in organic synthesis over many years through the production of pharmaceuticals, agrochemicals, dyestuffs, electronic materials, organic industrial chemicals and construction materials.Our wealth of experience and achievements make it possible to provide customers with the products that satisfy their needs. Phosgenation is one of Hodogaya Chemical’s particular strengths.








Other types of chloroformate are also available.



Chloroformate, Carbonate, Carbamoyl chloride, Cyclization, Carboxy anhydride (NCA), Oxidation.

Polymer Materials
PTG PTG-L
PTG & PTG-L have outstanding properties that are customized to meet various needs through careful control of details such as molecular weight and molecular weight distribution.
| Product name | Description | Applications |
|---|---|---|
| PTG Mw:650~3,000 |
PTG lends polymer materials excellent elasticity, low-temperature properties and hydrolysis resistance. | Elastomers, coating materials, spandex, paints, artificial leathers |
| PTG-L Mw:1,000~3,000 |
PTG-L has additional exceptional properties, remaining in the liquid state under a wide range of temperature conditions. |
Release Agents
HSW
Release agents make it possible to easily remove adhesive tape.
| Product name | Description | Applications |
|---|---|---|
| HSW-H1、HSW-H2、HSW-S1、HSW-C1、HSW-E1 | Non-silicon type. Moderate release properties improve safety and ease of use. | Adhesive tape, release papers such as label backings, mold release agents, lubricants |
Other Products
Basic products that support today’s lifestyle.
| Product name | Description | Applications |
|---|---|---|
| Benzylchloride, Benzaldehyde | For many years, we have manufactured many kinds of organic industrial chemicals, using electrolysis to react chlorine-based materials with toluene and benzene. The products we manufacture today are enhanced by the knowledge we have derived through our long experience in this area. | Raw materials for antiseptic detergents, surfactants, dyestuffs, perfumes, etc. |
Hodogaya Vandex Construction Products Co., Ltd.
(Wholly owned by Hodogaya Chemical)

Waterproofing Materials
Technologies to protect buildings from rain and sunshine.
| Product name | Description | Applications |
|---|---|---|
| HC Eco Proof | These products contain no toxic substances, are environmentally friendly, and can be used even in lower temperature conditions in the winter. | Widely used for roofs, open corridors and verandas |
| HC Spray |

Flooring, Paving Materials
Durable and resistant to abrasion.
| Product name | Description | Applications |
|---|---|---|
| HC Park | HC Park:Seamless and colorful waterproof coating for parking lots. Strong, lightweight, and economical. Simplified application process shortens construction time. |
Parking lots |
| HC Spray F | Open corridors, stairways | |
| Ecostep | Poolside, tennis courts, etc. |
Building Materials
Cementitious waterproofing materials with proven results around the world.
| Product name | Description | Applications |
|---|---|---|
| Vandex S・P | Crystalline waterproofing chemicals that deeply penetrate cement capillaries. | Underground concrete structures and water tanks |
| Vandeflexin | Highly elastic injection resin for waterproofing. | Concrete structures (buildings, civil engineering works) |
We offer a variety of waterproofing, concrete protection and concrete repair products in addition to those listed above.