Producer
Mitsui Chemicals
Japanese chemical conglomerate (TYO: 4183, HQ Tokyo); recognized as the quality leader for ultra-high-purity electronic grade IPA for semiconductor applications, achieving parts-per-billion impurity levels. In Q2 2024, Mitsui Chemicals introduced a bio-based IPA derived from renewable acetone with 25,000 MT/year initial capacity — part of Japan's push toward bio-based chemicals. Mitsui is one of the world's leading specialty chemical companies with deep ties to the Mitsui Group keiretsu (same group as Mitsui & Co. trading, Mitsui Fudosan real estate, etc.). Mitsui Chemicals' IPA is particularly important for Japanese and Taiwanese semiconductor fabs. The company that dominates bio-based IPA is also part of the same industrial group that owns one of Japan's largest steel mills (Nippon Steel was historically Mitsui-linked).
4
Inputs supplied
2
Goods downstream
2
Facilities
0
Stories
What they make
4 inputs Mitsui Chemicals supplies
Click an input to see every good that depends on it, every country that produces it, and every other company in the supply chain.
chemical
Tungsten Hexafluoride (WF₆) — CVD Precursor →
chemical
Disilane (Si₂H₆) — Low-Temperature CVD →
chemical
Monosilane (SiH₄) — CVD Precursor →
chemical
Isopropyl Alcohol (IPA) →
Where it shows up
Goods downstream
Essential goods that depend on something Mitsui Chemicals makes, pick one to see the full supply chain.
Where they make it
2 facilities
Mitsui Chemicals - Japan →
JPElectronic-grade silane production; long-term supply partner with Air Liquide Electronics; top-5 global producer
Mitsui Chemicals Osaka WF₆/NF₃ Plant →
JPOsaka, Japan · manufacturing
Mitsui Chemicals specialty semiconductor gas production. Produces WF₆ and NF₃ using fluorine chemistry shared infrastructure. Supplies major Japanese fabs and exports to Korean/Taiwanese customers. WF₆ and NF₃ production are co-located due to common HF/F₂ feedstock requirements.
What else they do
Business segments
The company's full revenue map, where this supply-chain role fits within their broader business.
Mobility (Elastomers & Polyolefins)
30%Healthcare
20%Food & Packaging
20%ICT & Electronics
20%Basic Chemicals
10%
Intelligence
What's known
Sourced claims about this company's role in supply chains, chokepoints, concentration, incidents, dual-use connections.
Did you know2023
[single-source] Mitsui Chemicals launched a commercial-scale bio-based IPA product in Q2 2024, produced from renewable acetone (acetone derived from bio-based feedstocks rather than petroleum propylene). The initial capacity is 25,000 MT/year. This makes Mitsui the first major chemical company to offer a commercially available bio-based IPA at material scale — directly targeting semiconductor and pharmaceutical customers seeking lower-carbon footprint solvents. The same Mitsui Chemicals is a key supplier of ultra-high-purity IPA to chipmakers; the bio-based variant positions them for customers facing Scope 3 carbon targets in their supply chains.
Mitsui Chemicals, Inc. ↗Origin2023
Mitsui Chemicals traces its origins to 1912 when Mitsui Mining (later Mitsui Coal Mining) established a fertilizer and chemical manufacturing operation to utilize byproducts from coke oven operations -- the same industrial integration pattern of converting coal chemistry into chemical products that characterized Japan's early 20th century industrialization. The Mitsui zaibatsu -- one of Japan's four major pre-war industrial conglomerates -- built chemicals as an integrated segment of its mining, shipping, and manufacturing empire. After WWII zaibatsu dissolution, the Mitsui Group re-coalesced as a keiretsu of affiliated but legally independent companies including Mitsui Chemicals, Mitsui & Co. (trading), Mitsui Fudosan (real estate), and Mitsui Sumitomo Insurance. The keiretsu structure means Mitsui Chemicals' specialty chemicals business is informally connected to Japan's largest trading company (Mitsui & Co.) through shared directorships and historical relationships -- providing distribution and intelligence advantages that purely independent chemical companies lack.
Mitsui Chemicals Inc. ↗