Cyclopentane Price Trend and Forecast 2026-2027

Germany paid the most for cyclopentane in Q2 2026: USD 2,615/MT, up 1.8% from USD 2,569 in Q1. The steady insulation-foam demand kept things firm there. Worldwide, the average moved up 1.8%, to USD 2,348/MT from USD 2,307, largely because the naphtha feedstock costs kept climbing across every region we track. What about H2 2026? We'd expect a global average somewhere in the USD 2,320-2,515/MT range, with the steady insulation-foam demand doing most of the work. None of the four markets we track showed any sign of an unusual disruption during the quarter.

Cyclopentane is recovered from naphtha as a C5 raffinate stream or produced by hydrogenating cyclopentadiene, and its primary use by a wide margin is as a blowing agent in rigid polyurethane insulation foam, favored as a lower-global-warming-potential alternative to the older HFC and HCFC blowing agents that regulation has phased out across most major markets. Three things move the price more than anything else: the naphtha feedstock costs, the insulation-foam demand tied to the appliance and construction industries, and how much recovery and purification capacity the producers are running. None of these three factors shows signs of shifting dramatically in the near term.

The regulatory-substitution story here deserves real attention, since it's fundamentally reshaped this market's growth trajectory. As the Montreal Protocol and subsequent regional regulations phased down high-global-warming-potential blowing agents, insulation-foam manufacturers needed alternatives that could deliver comparable thermal performance without the same environmental impact, and cyclopentane became one of the leading choices for rigid polyurethane foam specifically. That regulatory-driven demand shift has given cyclopentane a more structurally secure position than a blowing agent facing its own phase-down pressure would have. Buyers new to this market sometimes underestimate how much that structural detail matters until they see it play out in the pricing data over a full cycle.

The appliance-insulation application is worth a mention too, since household refrigerators and freezers represent one of the largest single end uses for cyclopentane-blown foam. That tie to appliance manufacturing gives this market a demand base that tracks consumer durable-goods production cycles alongside the more construction-linked demand from building insulation, adding a second, somewhat independent driver on top of the primary construction-sector story. That distinction is worth keeping in mind for anyone comparing this market to more conventional industrial or agricultural commodities.

Cyclopentane Price Forecast for 2026

Supply and demand should stay moderately tight through H2 2026, with the naphtha feedstock costs doing most of the work on pricing. Germany and the US both kept the insulation-foam demand steady through H1, and that's likely to continue. South Korea's appliance-manufacturing sector kept the demand building, while China's large production base kept it the most affordable of the four. None of the four markets we track is showing signs of genuine disruption heading into the back half of the year.

Buyers should keep an eye on the broader naphtha and petrochemical-complex market specifically, since that's the ultimate feedstock source behind cyclopentane, and shifts there can move this market's costs for reasons unrelated to insulation-foam demand directly. That's worth building into any longer-range planning rather than assuming current conditions will simply persist unchanged.

The appliance-manufacturing demand segment bears watching separately from the construction-linked building-insulation demand, since the two track somewhat different economic cycles even though both draw on the same underlying blowing-agent supply.

What could push prices higher? A naphtha feedstock spike, or a stronger-than-expected appliance or construction-sector demand surge. What could pull them lower? A slowdown in construction or appliance-manufacturing activity.

For the Quarter Ending June 2026

Cyclopentane Prices Q2 2026:

• China: USD 2,083/MT
• United States: USD 2,509/MT
• Germany: USD 2,615/MT
• South Korea: USD 2,328/MT

Cyclopentane Prices in China

China's cyclopentane producers passed through the firmer naphtha costs this quarter, and the domestic insulation-foam demand held steady. The gain came to 1.8%, USD 2,046/MT to USD 2,083. That kept China comfortably the most affordable of the four markets.

Why did the price of Cyclopentane change in Q2 2026 in China?

The naphtha feedstock costs firmed through the quarter, and the domestic insulation-foam demand held its ground right alongside that.

Cyclopentane Prices in United States

USD 2,509/MT. That's where the US landed in Q2, up 1.8% from USD 2,465 in Q1. The construction-linked demand stayed steady, and the feedstock costs climbed just enough to push things higher.

Why did the price of Cyclopentane change in Q2 2026 in United States?

The construction-linked demand didn't move much, honestly. It was the naphtha feedstock costs doing most of the work this quarter.

Cyclopentane Prices in Germany

Germany gained 1.8% to USD 2,615/MT, the established insulation-foam demand staying firm through the period.

Why did the price of Cyclopentane change in Q2 2026 in Germany?

Germany's premium held for the usual reason: steady insulation-foam demand backed by firming feedstock costs.

Cyclopentane Prices in South Korea

South Korea climbed 1.8% to USD 2,328/MT, the appliance-manufacturing demand continuing to build through the period.

Why did the price of Cyclopentane change in Q2 2026 in South Korea?

The appliance-manufacturing demand kept building, and that alone explains most of the move here.

For the Quarter Ending March 2026

Cyclopentane Prices Q1 2026:

• China: USD 2,046/MT
• United States: USD 2,465/MT
• Germany: USD 2,569/MT
• South Korea: USD 2,287/MT

Cyclopentane Prices in China

China gained 1.8% to USD 2,046/MT, the demand firming as the year opened.

Why did the price of Cyclopentane change in Q1 2026 in China?

The domestic insulation-foam demand firmed as the year opened, and the naphtha feedstock costs edged higher right alongside it.

Cyclopentane Prices in United States

US cyclopentane rose 1.8% to USD 2,465/MT, the construction-linked demand firming with the new year.

Why did the price of Cyclopentane change in Q1 2026 in United States?

The construction-linked demand firmed with the new year, and the feedstock costs kept climbing steadily too.

Cyclopentane Prices in Germany

Germany gained 1.8% to USD 2,569/MT, the insulation-foam demand staying firm through the quarter.

Why did the price of Cyclopentane change in Q1 2026 in Germany?

The insulation-foam demand stayed firm, and the feedstock costs firmed alongside it.

Cyclopentane Prices in South Korea

South Korea climbed 1.9% to USD 2,287/MT, the appliance-manufacturing demand building through the quarter.

Why did the price of Cyclopentane change in Q1 2026 in South Korea?

The appliance-manufacturing demand built through the quarter, tracking the consumer durable-goods activity closely.

Quarterly Cyclopentane Price Trends

The global average climbed steadily across the window, from USD 2,200/MT in Q1 2025 to USD 2,348 by Q2 2026, a net gain of about 6.7%. Every quarter posted a gain here, reflecting the firming naphtha feedstock costs and the steady insulation-foam demand across every market we track, with the pace of the gains picking up somewhat in the most recent two quarters. That kind of steady, uninterrupted climb is worth noting, since it stands in contrast to how choppy some other commodities in this space have looked over the same period.

What was Cyclopentane Price in 2025?

2025 was a steady year for cyclopentane. Starting near USD 2,200/MT in Q1, the global average finished 2025 at USD 2,266, a gain of about 3.0%. The insulation-foam demand held consistent all year across every market we track, before the pace of gains picked up further once 2026 got underway. Buyers who track this market closely tend to view that steady annual pattern as the baseline against which any future quarter's move should be judged. The consistency of that pattern across all four regions makes this one of the more predictable industrial chemical markets we track.

Cyclopentane Prices in China in 2025

Chinese prices moved from about USD 1,950/MT in Q1 2025 to USD 2,010 by Q4, up roughly 3.1%. The domestic demand held steady all year, and China stayed the most affordable of the four markets throughout.

Cyclopentane Prices in United States in 2025

US prices climbed from USD 2,350/MT in Q1 to USD 2,422 by Q4, a 3.1% gain, tracking the steady construction-linked demand.

Cyclopentane Prices in Germany in 2025

German prices rose from USD 2,450/MT in Q1 to USD 2,524 by Q4, up 3.0%, the highest absolute price throughout the four markets on the established insulation-foam demand.

Cyclopentane Prices in South Korea in 2025

South Korean prices moved from USD 2,180/MT in Q1 to USD 2,246 by Q4, a 3.0% gain, as the appliance-manufacturing demand kept building through the year.

How We Can Help

Expert Market Research: Your Source for Real-Time Cyclopentane Price Intelligence

We keep a continuous eye on the cyclopentane prices wherever it's produced or consumed at scale, tracing causation through the naphtha feedstock economics, the insulation-foam demand tied to appliance and construction industries, and the recovery and purification capacity utilization. Our analysts track regulatory developments around blowing-agent phase-downs closely, given how directly they've shaped structural demand for this product. We also flag any material shift in the underlying feedstock or trade-logistics conditions as soon as it becomes apparent. Need pricing data, bespoke market analysis, or procurement advisory? Reach out to our team.