History
Introduces the history of Mitsui Chemicals from founding to the present.
| Year | Event |
|---|---|
| 1951 | Nagoya Works begins volume production of vinyl chloride and vinyl chloride film. |
| Hokkaido Plant exports urea to Hawaii for the first time. | |
| 1950 | Ammonium sulfate exported for the first time after World War II. |
| Nagoya Works inaugurated. | |
| 1948 | Hokkaido Plant begins production of urea for fertilizer for the first time in Japan. |
| 1947 | Production of coating compounds begins at Ofuna Plant. |
| 1943 | Ofuna Plant inaugurated. |
| 1942 | Hokkaido Plant completed. |
| 1941 | Mitsui Chemical Industry established. |
| 1939 | Ground-breaking ceremony for Hokkaido Plant (currently Hokkaido Mitsui Chemicals). |
| 1938 | Omuta Plant starts production of phenol. |
| 1933 | Toyo Koatsu Industries established. |
| 1929 | Tohcello begins production and sales of cellophane. |
| 1923 | Test plant of Claude Nitrogen Industries Co., Ltd. constructed in Hikoshima, Shimonoseki. |
| 1914 | Naphthalene, anthracene, and aspirin plants commence operations in Omuta. |
| 1912 | Japan’s first Koppers coke oven constructed in Omuta. |
| In Omuta, plants for coal tar, gas, ammonium sulfate, and pitch begin operations. | |
| 1892 | Mitsui Chemicals’ roots can be traced back to the coke made from coal mined at Miike Coal Mine (Fukuoka Prefecture, Kyushu). |

