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Diethylene Glycol Prices, Demand and Supply Overview
2025
Base Year
2023-2025
Historical Period
2026-2027
Forecast Period
Market Overview
Diethylene Glycol prices in the United States fell 6.7% in Q2 2026 to USD 830.00/MT from USD 890.00/MT in Q1, as the sharp Middle East-driven feedstock spike from earlier in the year began unwinding. Globally, the average fell from USD 783.20/MT in Q1 to USD 735.20/MT in Q2, a 6.1% retreat, following a volatile stretch that saw prices decline steadily through 2025 as new ethylene oxide production capacity weighed on this co-product market before a sharp Q1 2026 rebound. For H2 2026, a global average of USD 700.00-820.00/MT is expected, with ample ethylene oxide capacity likely to keep a lid on prices even as periodic feedstock-driven volatility continues.
Diethylene Glycol, commonly abbreviated DEG, is produced as a co-product alongside monoethylene glycol during the hydration of ethylene oxide, meaning its supply and pricing are closely tied to the broader ethylene oxide and monoethylene glycol production complex. It serves as a raw material for unsaturated polyester resins, polyurethane production, textile softeners and lubricants, and, in tightly controlled and regulated applications, brake fluid formulations. Ethylene oxide feedstock costs and co-product allocation decisions, polyester resin and polyurethane demand, and regional production capacity utilization are what drive prices in this market.
Diethylene Glycol Price Forecast for 2026
The outlook for Diethylene Glycol through H2 2026 points to continued moderation following the sharp Q1 2026 spike, tracking the same ample ethylene oxide production capacity dynamics that have weighed on this co-product market for much of the past year. Steady demand from polyester resin and polyurethane manufacturers should provide a reasonably firm floor, though the structural oversupply that characterized 2025 has not fully cleared.
The main upside risk is a renewed escalation of Middle East shipping disruptions, which could reignite the kind of sharp feedstock-driven spike seen in Q1 2026, given this market's direct linkage to ethylene oxide production economics. The main downside risk is continued high operating rates at ethylene oxide facilities combined with only modest downstream demand growth, which would extend the oversupply conditions that dominated much of 2025.
| Region | 2026 Price Range (USD/MT) | Outlook |
| Global Average | 700.00 - 820.00 | Ample ethylene oxide capacity caps prices |
| United States | 790.00 - 930.00 | Co-product allocation dynamics limit further near-term gains |
| Germany | 730.00 - 860.00 | Steady polyurethane demand supports a moderate premium |
| India | 650.00 - 770.00 | Growing polyester resin demand keeps this market firm |
| China | 590.00 - 700.00 | Ample domestic production keeps this the most affordable market |
For the Quarter Ending June 2026
Diethylene Glycol Prices Q2 2026:
- United States: USD 830.00/MT
- Germany: USD 780.00/MT
- India: USD 690.00/MT
- China: USD 630.00/MT
Diethylene Glycol Prices in the United States
US Diethylene Glycol prices averaged USD 830.00/MT in Q2 2026, down 6.7% from USD 890.00/MT in Q1, as ample ethylene oxide production capacity pulled prices back from their Q1 highs.
Why did the price of Diethylene Glycol change in Q2 2026 in the United States?
As the acute Middle East-driven ethylene feedstock shock from Q1 began fading, ample ethylene oxide production capacity reasserted itself, pulling diethylene glycol prices back down even as downstream polyurethane and resin demand held steady.
Diethylene Glycol Prices in Germany
German prices averaged USD 780.00/MT in Q2 2026, down 6.0% from USD 830.00/MT in Q1, as the earlier feedstock cost escalation eased.
Why did the price of Diethylene Glycol change in Q2 2026 in Germany?
Naphtha and ethylene feedstock costs for German producers retreated as shipping conditions through the Strait of Hormuz began normalizing, pulling finished diethylene glycol prices down from their peak in step with the broader ethylene oxide complex.
Diethylene Glycol Prices in India
Indian prices averaged USD 690.00/MT in Q2 2026, down 5.5% from USD 730.00/MT in Q1, as import economics improved from their Q1 highs.
Why did the price of Diethylene Glycol change in Q2 2026 in India?
Freight and insurance premiums tied to shipping-route disruptions moderated from their Q1 extremes, easing import costs even as steady demand from polyester resin manufacturers kept underlying consumption firm.
Diethylene Glycol Prices in China
Chinese prices averaged USD 630.00/MT in Q2 2026, the lowest of the four regions, down 6.0% from USD 670.00/MT in Q1, as ample domestic ethylene oxide production continued weighing on this market.
Why did the price of Diethylene Glycol change in Q2 2026 in China?
Ample domestic ethylene oxide production capacity continued generating co-product surplus conditions for diethylene glycol, intensifying competitive pricing pressure among regional suppliers as the broader feedstock cost environment moderated.
For the Quarter Ending March 2026
Diethylene Glycol Prices Q1 2026:
- United States: USD 890.00/MT
- Germany: USD 830.00/MT
- India: USD 730.00/MT
- China: USD 670.00/MT
Diethylene Glycol Prices in the United States
US prices jumped 14.1% in Q1 2026 to USD 890.00/MT from USD 780.00/MT in Q4 2025, tracking the sharp ethylene feedstock cost spike tied to Middle East tensions.
Why did the price of Diethylene Glycol change in Q1 2026 in the United States?
The same feedstock cost shock affecting the broader ethylene oxide complex, driven by Middle East shipping disruptions raising ethylene and naphtha costs, flowed directly through to diethylene glycol as a co-product, reversing much of the oversupply-driven softness that had defined the second half of 2025.
Diethylene Glycol Prices in Germany
German prices rose 7.8% in Q1 2026 to USD 830.00/MT from USD 770.00/MT in Q4 2025, as feedstock cost escalation built through the quarter.
Why did the price of Diethylene Glycol change in Q1 2026 in Germany?
Higher crude and naphtha costs, tied to the broader Middle East-driven feedstock repricing affecting the entire ethylene value chain, transmitted directly to diethylene glycol production costs and seller offers.
Diethylene Glycol Prices in India
Indian prices rose 7.4% in Q1 2026 to USD 730.00/MT from USD 680.00/MT in Q4 2025, as higher crude oil prices pushed feedstock costs up for domestic formulators.
Why did the price of Diethylene Glycol change in Q1 2026 in India?
Feedstock pressure intensified as crude oil and ethylene prices surged amid shipping-route disruptions, with downstream polyester resin and polyurethane demand staying strong enough to support active restocking despite the higher costs.
Diethylene Glycol Prices in China
Chinese prices rose 6.3% in Q1 2026 to USD 670.00/MT from USD 630.00/MT in Q4 2025, a moderate gain as rising feedstock costs partially offset the ample domestic supply that had weighed on the market through 2025.
Why did the price of Diethylene Glycol change in Q1 2026 in China?
Rising feedstock costs, tied to the broader Middle East-linked ethylene complex, added upward pressure even in this typically well-supplied market, though ample domestic ethylene oxide production capacity kept the pace of the increase comparatively moderate.
Quarterly Diethylene Glycol Price Trends
Global Diethylene Glycol prices declined steadily through 2025 as substantial new ethylene oxide production capacity created co-product oversupply conditions, before a sharp Middle East-driven feedstock cost shock reversed that trend in Q1 2026, and prices eased again in Q2 as the acute disruption began to pass.
| Quarter | Price (USD/MT) | QoQ Change | Direction |
| Q2 2026 | 735.20 | -6.1% | ↓ Falling |
| Q1 2026 | 783.20 | +9.3% | ↑ Rising |
| Q4 2025 | 716.60 | -5.9% | ↓ Falling |
| Q3 2025 | 761.30 | -5.4% | ↓ Falling |
| Q2 2025 | 804.90 | - | — Stable |
| Q3 2026 | In Progress | - | — In Progress |
What was Diethylene Glycol Price in 2025?
Diethylene Glycol declined across every market covered in this report through 2025, tracking the same ethylene oxide capacity-driven oversupply that weighed on the broader ethylene value chain, with the United States posting the steepest annual decline given its exposure to substantial new domestic capacity additions.
Diethylene Glycol Prices in the United States in 2025
US prices fell from about USD 980.00/MT in Q1 2025 to USD 780.00/MT by Q4, down roughly 20.4%, the steepest annual decline of the four regions, as substantial new ethylene oxide production capacity added materially to co-product availability.
Diethylene Glycol Prices in Germany in 2025
German prices fell from about USD 890.00/MT in Q1 2025 to USD 770.00/MT by Q4, down roughly 13.5%, tracking the broader oversupply through the year.
Diethylene Glycol Prices in India in 2025
Indian prices fell from about USD 780.00/MT in Q1 2025 to USD 680.00/MT by Q4, down roughly 12.8%, the smallest annual decline of the four regions.
Diethylene Glycol Prices in China in 2025
Chinese prices fell from about USD 720.00/MT in Q1 2025 to USD 630.00/MT by Q4, down roughly 12.5%, as ample domestic ethylene oxide capacity kept this market under sustained pressure.
How We Can Help
Expert Market Research: Your Source for Real-Time Diethylene Glycol Price Intelligence
Expert Market Research tracks Diethylene Glycol prices continuously across every major producing and consuming region, combining ethylene oxide feedstock cost data, co-product allocation trends, and polyester resin and polyurethane demand signals into a single, regularly updated view of the market. Our team can help your procurement function benchmark current offers, plan purchases around the volatile supply and feedstock trends covered in this report, and build a defensible view of where this widely used glycol co-product is headed next. Reach out to our team for a tailored briefing or a deeper look at any of the regional markets covered here.
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*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.*
Key Questions Answered in the Report
It serves as a raw material for unsaturated polyester resins, polyurethane production, textile softeners and lubricants, and, in tightly controlled and regulated applications, brake fluid formulations.
The Q2 2026 global average was USD 735.20/MT, ranging from USD 630.00/MT in China to USD 830.00/MT in the United States.
The global average rose from USD 716.60/MT in Q4 2025 to USD 783.20/MT in Q1 2026 on a Middle East-driven feedstock spike, before easing back to USD 735.20/MT in Q2 as that disruption began to pass.
Diethylene Glycol is produced as a co-product alongside monoethylene glycol during the hydration of ethylene oxide, meaning its supply and pricing move in close step with ethylene oxide feedstock costs and production capacity utilization.
The global average is expected in the USD 700.00-820.00/MT range, with ample ethylene oxide capacity likely to cap prices despite periodic feedstock-driven volatility.
China holds the lowest cost given ample domestic ethylene oxide production capacity, while the United States carries the highest cost among the regions tracked here.
This report is updated monthly. For real-time pricing intelligence, connect with the Expert Market Research team.
Ethylene oxide feedstock costs and co-product allocation decisions, polyester resin and polyurethane demand, and regional production capacity utilization.
The United States and China both added substantial new ethylene oxide production capacity through 2025, with Germany and India also maintaining significant capacity tied to their domestic polyester and polyurethane industries.
Buyers can monitor ethylene oxide capacity and feedstock cost trends given their direct and outsized influence on this market, time forward purchases around the quarterly breakdowns in this report, and benchmark supplier quotes against the tracked price ranges given the current volatility.
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