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United States paid the most for isophorone diisocyanate in Q2 2026: USD 10.05/KG, up 3.1% from USD 9.75 in Q1.
Isophorone diisocyanate, widely known by its abbreviation IPDI, is an aliphatic diisocyanate valued for producing polyurethane coatings and adhesives that hold their colour and gloss under UV exposure, unlike the more common aromatic isocyanates such as TDI and MDI.
It is manufactured by reacting isophorone diamine with phosgene, a route that requires careful handling given phosgene's toxicity, and this contributes to IPDI trading at a meaningful premium over bulk aromatic isocyanates.
Automotive refinish and OEM coatings, industrial protective coatings, and high-performance adhesives make up the bulk of demand, with Germany's coatings industry the traditional centre of gravity for both production and consumption.
The spread between the cheapest and priciest markets tracked here, China and United States, ran to roughly 18% in Q2 2026. That gap matters for procurement teams weighing sourcing origin against landed cost, since freight, duties, and local demand intensity all feed into where a given region ultimately lands.
Expect steady gains across all four markets through H2 2026 as automotive coatings demand continues its gradual recovery.
Germany should retain its position as a premium market given its concentrated coatings manufacturing base, though China's gap to the rest of the group should narrow.
Any disruption to phosgene supply chains would be the key risk to watch, given the specialised and tightly regulated nature of IPDI production.
Across all 4 regions combined, prices moved 3.9% increase on average between Q1 and Q2 2026. Absent a meaningful change to the cost or demand drivers outlined above, that pace looks set to carry into the second half of the year.
| Region | 2026 Price Range (USD/KG) | Outlook |
| Global Average | 9.21 - 10.16 | Balance of regional supply and demand conditions |
| Germany | 9.51 - 10.49 | Steady automotive OEM coatings demand from the region's established manufacturing base supported another firm increase |
| China | 8.29 - 9.15 | Growing domestic coatings production capacity kept China's gap to the other three markets narrowing |
| United States | 9.75 - 10.75 | Automotive refinish demand held firm |
| Japan | 9.29 - 10.25 | Consistent industrial and automotive coatings demand supported steady pricing in line with the rest of the group |
Germany rose 3.7% to USD 9.80/KG in Q2 2026, steady automotive OEM coatings demand from the region's established, placing it the 2nd most expensive across the 4 regions covered in this report.
Why did the price of Isophorone Diisocyanate change in Q2 2026 in Germany?
Steady automotive OEM coatings demand from the region's established manufacturing base supported another firm increase, leaving Germany running roughly 3.2% above the 4-region average for the quarter.
USD 8.55/KG. That is where China landed in Q2 2026, up 5.6% from USD 8.10/KG in Q1 2026, putting it the most affordable of the 4 markets tracked this quarter.
Why did the price of Isophorone Diisocyanate change in Q2 2026 in China?
Growing domestic coatings production capacity kept China's gap to the other three markets narrowing, with China now sitting about 10.0% below the 4-region average this quarter.
United States's price gained 3.1% to USD 10.05/KG, automotive refinish demand held firm and feedstock costs firmed, making it the priciest of the 4 markets tracked here this quarter.
Why did the price of Isophorone Diisocyanate change in Q2 2026 in United States?
Automotive refinish demand held firm, and feedstock costs firmed in step with the broader group, which puts United States roughly 5.8% above the average across the 4 regions this report tracks.
In Q2 2026, Japan priced at USD 9.58/KG, up 3.6% from USD 9.25/KG the previous quarter, ranking it the 3rd most expensive among the 4 markets this report follows.
Why did the price of Isophorone Diisocyanate change in Q2 2026 in Japan?
Consistent industrial and automotive coatings demand supported steady pricing in line with the rest of the group, working out to Japan trading about 0.9% above this quarter's 4-region average.
Germany rose 1.5% to USD 9.45/KG in Q1 2026, early-year automotive coatings restocking supported a firm start to, placing it the 2nd most expensive across the 4 regions covered in this report.
Why did the price of Isophorone Diisocyanate change in Q1 2026 in Germany?
Early-year automotive coatings restocking supported a firm start to the year, leaving Germany running roughly 3.4% above the 4-region average for the quarter.
USD 8.10/KG. That is where China landed in Q1 2026, up 1.6% from USD 7.97/KG in Q4 2025, putting it the most affordable of the 4 markets tracked this quarter.
Why did the price of Isophorone Diisocyanate change in Q1 2026 in China?
Developing regional capacity utilisation improved steadily as the year began, with China now sitting about 11.4% below the 4-region average this quarter.
United States's price gained 1.5% to USD 9.75/KG, feedstock costs firmed alongside the broader group supporting a, making it the priciest of the 4 markets tracked here this quarter.
Why did the price of Isophorone Diisocyanate change in Q1 2026 in United States?
Feedstock costs firmed alongside the broader group, supporting a modest early-year gain, which puts United States roughly 6.7% above the average across the 4 regions this report tracks.
In Q1 2026, Japan priced at USD 9.25/KG, up 1.5% from USD 9.11/KG the previous quarter, ranking it the 3rd most expensive among the 4 markets this report follows.
Why did the price of Isophorone Diisocyanate change in Q1 2026 in Japan?
Steady industrial coatings demand carried prices modestly higher to start the year, working out to Japan trading about 1.2% above this quarter's 4-region average.
The global average climbed steadily across the window, from USD 8.60/KG in Q1 2025 to USD 9.50 by Q2 2026, a gain of 10.4% over six quarters.
| Quarter | Price (USD/KG) | QoQ Change | Direction |
| Q2 2026 | 9.50 | +3.9% | ↑ Rising |
| Q1 2026 | 9.14 | +1.5% | ↑ Rising |
| Q4 2025 | 9.00 | +1.5% | ↑ Rising |
| Q3 2025 | 8.86 | +1.5% | ↑ Rising |
| Q2 2025 | 8.73 | +1.5% | ↑ Rising |
| Q1 2025 | 8.60 | - | - Stable |
| Q3 2026 | In Progress | - | - In Progress |
2025 was a steadily firming year for isophorone diisocyanate. Starting near USD 8.60/KG in Q1, the global average finished the year at USD 9.00, a 4.7% increase across the four quarters.
Germany prices moved from about USD 8.90/KG in Q1 2025 to USD 9.31 by Q4, up roughly 4.6%, leaving Germany in 2 place among the 4 tracked markets heading into the new year.
China prices moved from about USD 7.60/KG in Q1 2025 to USD 7.97 by Q4, up roughly 4.9%. That left China ranked 4 of 4 tracked markets heading into 2026.
United States prices moved from about USD 9.20/KG in Q1 2025 to USD 9.61 by Q4, up roughly 4.5%, placing United States 1 of 4 tracked markets as 2025 closed out.
Japan prices moved from about USD 8.70/KG in Q1 2025 to USD 9.11 by Q4, up roughly 4.7%. Japan closed the year ranked 3 of the 4 markets this report tracks.
Expert Market Research: Your Source for Real-Time Isophorone Diisocyanate Price Intelligence
We keep a continuous watch on isophorone diisocyanate prices across every region that produces or consumes it at scale, tracing the raw material and demand drivers back to their source rather than just reporting the number. Our team pulls together isophorone diamine and phosgene cost trends, regional supply and demand shifts, and policy developments into a single, regularly refreshed view of the market.
We build our forecasts from production capacity, feedstock cost trends, and regional demand data, aiming to give procurement teams something they can actually use in budgeting and supplier negotiations, not just a headline number.
If you need a deeper regional breakdown, a longer historical run than the six quarters shown here, or a sourcing analysis built around your specific procurement footprint, our analysts are available to help.
*While we strive to always give you current and accurate information, the numbers depicted on the website are indicative and may differ from the actual numbers in the main report. At Expert Market Research, we aim to bring you the latest insights and trends in the market. Using our analyses and forecasts, stakeholders can understand the market dynamics, navigate challenges, and capitalize on opportunities to make data-driven strategic decisions.*
Isophorone diisocyanate, widely known by its abbreviation IPDI, is an aliphatic diisocyanate valued for producing polyurethane coatings and adhesives that hold their colour and gloss under UV exposure, unlike the more common aromatic isocyanates such as TDI and MDI.
In Q2 2026, it averaged USD 9.80/KG in Germany, USD 8.55/KG in China, USD 10.05/KG in United States, USD 9.58/KG in Japan, with United States the priciest of the 4 markets tracked in this report.
The global average moved from USD 9.00/KG in Q4 2025 to USD 9.14 in Q1 2026, then to USD 9.50 by Q2, a 5.5% increase across the two quarters.
Steady automotive oem coatings demand from the region's established manufacturing base supported another firm increase, with similar dynamics playing out across the other regions this report tracks, each shaped by its own local mix of supply and demand.
Expect steady gains across all four markets through H2 2026 as automotive coatings demand continues its gradual recovery.
United States commands the highest price of the 4 markets in this report, while China runs the most affordable. Local production economics, import exposure, and demand strength drive most of that gap, and the ranking is not fixed from quarter to quarter.
Automotive OEM and refinish coatings demand, the largest single end use; Isophorone diamine and phosgene feedstock costs and availability; Industrial protective coatings demand from construction and infrastructure, along with broader macroeconomic conditions across the 4 regions this report tracks.
Automotive refinish and OEM coatings, industrial protective coatings, and high-performance adhesives make up the bulk of demand, with Germany's coatings industry the traditional centre of gravity for both production and consumption.
IPDI is an aliphatic isocyanate that resists yellowing under UV light, a property standard aromatic isocyanates like MDI and TDI cannot match. That performance advantage, combined with its more specialised and tightly regulated phosgene-based production route, keeps IPDI priced well above bulk aromatic isocyanates.
Monthly, though our analysts flag any material shift in feedstock costs or regional demand as soon as it emerges.
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