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Mitsui Chemicals, Inc.

三井化学株式会社 — Tokyo Stock Exchange 4183, Chemicals. Supply-chain directory entry built from public EDINET filings, including relationships the company disclosed in its own annual securities report.

COMPANY NAME (JP)

三井化学株式会社

TICKER

TSE 4183

EDINET CODE

E00840

CORPORATE NUMBER

4010401052081

INDUSTRY

Chemicals (化学)

HEAD OFFICE

中央区八重洲二丁目２番１号

DISCLOSED FOOTPRINT

11 sites · 23 subsidiaries

Disclosed major customers

Counterparties Mitsui Chemicals, Inc. named in its own annual securities report. A company named here has Mitsui Chemicals, Inc. in its supply base.

三井物産(株)18% of revenue

“相手先 | 当連結会計年度自 2025年４月１日至 2026年３月31日 | 金額（百万円） | 割合（％） | 三井物産㈱ | 300,257 | 18.0”

Annual securities report (有価証券報告書), filed 2026-06-22 — EDINET S100YGUI

Business segments

ライフ&ヘルスケア・ソリューション

15.52% of revenue — ビジョンケア材料、オーラルケア材料、パーソナルケア材料、農業化学品

モビリティソリューション

30.89% of revenue — エラストマー、機能性コンパウンド、ポリプロピレン・コンパウンド、自動車等工業製品の新製品開発支援業務（ソリューション事業）

ICTソリューション

16.74% of revenue — 半導体・電子部品工程部材、光学材料、不織布、リチウムイオン電池材料・次世代電池材料、高機能食品包装材料

ベーシック&グリーン・マテリアルズ

35.95% of revenue — エチレン、プロピレン、ポリエチレン、ポリプロピレン、触媒、フェノール類、高純度テレフタル酸、ペット樹脂、ポリウレタン材料、工業薬品

その他

0.89% of revenue — その他関連事業等

The filing addresses human rights.

Sector risk context: supply-chain risk for Chemicals, Plating & Surface Treatment in Japan.

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Sources: EDINET code list (Financial Services Agency) and the company’s own annual securities report (有価証券報告書) retrieved via EDINET. Disclosed relationships are quoted from the filing and carry its EDINET accession number; extraction is automated and conservative — anything the filing does not state is left out. Tieron does not certify, audit or endorse the company, and this page contains no Tieron risk assessment. Report an issue with this page — corrections referencing the accession number shown above are fastest to verify.