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Isobutene Price Trend Analysis 2026: Market Insights, Price Drivers, Historical Prices, Latest News & Supply Demand Analysis
Written ByPragati Agarwal
Isobutene Latest Development
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Isobutene Latest Prices August 2026
| Product | Region | Incoterm Basis | Price | Last Updated Month |
|---|---|---|---|---|
| Isobutene | China | EXW | Usd 409.00/mt | August 2026 |
| Isobutene | China | EXW | Usd 389.00/mt | July 2026 |
Stay updated with the latest Isobutene prices, historical data, and tailored regional analysis
Isobutene Price Trend H1 2026
Isobutene, a branched-chain alkene (C4H8) also known as isobutylene, is a key petrochemical building block derived from refinery C4 streams and catalytic dehydrogenation of isobutane. Applications span high-octane gasoline additives via MTBE, butyl rubber for tyres, polyisobutylene for adhesives and lubricant additives, and specialty polymer intermediates.
Through H1 2026, the isobutene market carried forward the subdued sentiment from late 2025, staying broadly soft across major consuming regions. In Asia, refinery operating dynamics governed feedstock availability, with C4 streams facing competition from LPG and fuel-linked derivatives; downstream MTBE demand offered only limited support, and butyl rubber offtake stayed cautious amid uneven automotive demand. European markets similarly lacked strong upward catalysts, with refinery-linked supply adequate but demand restrained amid sluggish industrial activity. North American fundamentals were broadly comparable, with domestic C4 supply comfortable and downstream consumption proceeding at moderate levels.
Analyst Insight
According to Procurement Resource, prices reflect adequate supply against measured demand, with crude economics the key H2 variable.
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| Product | Category | Region | Price | Last Updated Month |
| Isobutene | Chemicals | India | 1739 USD/MT | October 2025 |
| Isobutene | Chemicals | India | 1740 USD/MT | December 2025 |
Asia
During the fourth quarter, India's isobutene market exhibited mixed trends, with prices showing variability across the period as competing forces shaped market dynamics. The prices were about 1739 USD/MT (CIF) in October and around 1740 USD/MT in December. Higher crude oil imports in October lifted refinery operating rates, supporting C4 stream generation and ensuring comfortable availability of isobutane for isobutene production during the early part of the quarter.
This initial strength was tempered as festive and election-linked LPG demand absorbed a larger share of refinery output, constraining the incremental flow of isobutane into chemical conversion. Market participants navigated shifting conditions as downstream demand from MTBE and rubber segments fluctuated, with buying activity alternating between periods of firmness and softness.
The easing of fuel blending requirements after seasonal peaks introduced additional volatility, creating a mixed pricing environment through year-end. Across the broader Asian region, similar fluctuations were observed, with ample refinery supply counterbalanced by variable derivative demand, resulting in inconsistent market sentiment.
Europe
European isobutene markets experienced a comparable trajectory during the quarter, beginning with moderate firmness before trending lower as the period progressed. Early quarter stability was supported by steady refinery operations and adequate feedstock flows, maintaining balanced supply conditions. However, softening demand from key downstream applications, particularly MTBE for gasoline blending and various polymer intermediates, weighed on market sentiment.
Seasonal factors also played a role, as reduced industrial activity ahead of the year-end holidays diminished consumption patterns. The weakening energy complex further contributed to the downward price drift, as lower production costs translated into reduced support for derivative pricing.
North America
North American isobutene markets mirrored global trends, with prices peaking in the early quarter before moderating through the remainder of the period. Initial strength was attributed to stable refinery activity and balanced supply-demand fundamentals, with healthy feedstock availability from domestic crude processing supporting isobutene production.
As the quarter advanced, derivative demand softened across gasoline additives and specialty chemical applications, prompting buyers to reduce procurement activity. Additionally, easing energy costs influenced production economics, allowing for more flexible pricing structures. The combination of adequate supply and subdued end-user demand created conditions for gradual price erosion.
About Isobutene
Isobutene belonging to the class of alkenes, has a four-carbon branched chain. It is one of the four isomers of butene. Isobutene is a highly flammable, colorless gas with a gasoline-like smell. It is characterized as a health hazard as prolonged exposure may cause damage to the central nervous system, and some carcinogenic activity is also indicated. It is used in the production of high-octane gasoline fuel. It is shipped as a liquefied gas and coming in contact with it can cause frostbite.
Isobutene Product Detail
HS Code
29012990
Chemical Formula
C4H8
CAS Number
115-11-7
Molecular Weight
56.10 g/mol
Industrial Uses
Polymers, Zeolite Catalysts, Antioxidants, Resins, Gasoline fuel
Synonyms
2-Methylprop-1-ene, 2-Methylpropene, Isobutylene, 2-Methylpropylene, Methylpropene
Supplier Database
BASF, Evonik, LyondellBasell Industries., Global Bioenergies, ExxonMobil
Regional Coverage
Asia Pacific
China, India, Indonesia, Pakistan, Bangladesh, Japan, Philippines, Vietnam, Iran, Thailand, South Korea, Iraq, Saudi Arabia, Malaysia, Nepal, Taiwan, Sri Lanka, UAE, Israel, Hongkong, Singapore, Oman, Kuwait, Qatar, Australia, and New Zealand
Europe
Germany, France, United Kingdom, Italy,Spain, Russia, Turkey, Netherlands, Poland, Sweden, Belgium, Austria, Ireland Switzerland, Norway, Denmark, Romania, Finland, Czech Republic, Portugal and Greece
North America
United States and Canada
Latin America
Brazil, Mexico, Argentina, Columbia, Chile, Ecuador, and Peru
Africa
South Africa, Nigeria, Egypt, Algeria, Morocco
CurrencyUS$ (Data can also be provided in local currency)
Supplier Database AvailabilityYes
Customization ScopeThe report can be customized as per the requirements of the customer
Post-Sale Analyst Support360-degree analyst support after report delivery
Note: Our supplier search experts can assist your procurement teams in compiling and validating a list of suppliers indicating they have products, services, and capabilities that meet your company's needs.
Isobutene Production Processes
- Production of Isobutene from Dehydrogenation Process; from Extraction Process
Isobutene is obtained by catalytic dehydrogenation of isobutane in the presence of a suitable catalyst. This being a highly endothermic and equilibrium-limited process requires relatively high temperature and low pressure to achieve a high yield of Isobutene.
Frequently Asked Questions
The isobutene outlook for 2026 is mixed. Prices are underpinned by adequate supply against measured demand, with crude economics the key variable heading into H2. Downstream MTBE and butyl rubber demand offer only limited support, while refinery C4 stream availability remains comfortable across Asia, Europe and North America. Any sustained price recovery would require tighter feedstock supply, firmer automotive-driven butyl rubber offtake, or a meaningful shift in crude-linked production economics. Conversely, sluggish industrial activity and subdued downstream buying could keep sentiment soft.
In Asia, refinery operating dynamics limited C4 stream availability as competition from LPG and fuel-linked derivatives tightened feedstock supply, while downstream MTBE demand provided only modest support and cautious butyl rubber offtake reflected uneven automotive demand. Europe faced similar headwinds with adequate refinery-linked supply but restrained demand from sluggish industrial activity, and North America's comfortable domestic C4 supply combined with moderate downstream consumption kept the market soft overall, with crude economics emerging as the key variable heading into H2.
The isobutene market is concentrated among a handful of large producers: BASF, Evonik, ExxonMobil, LyondellBasell, and Global Bioenergies, alongside ABI Chemicals, Syngip, LanzaTech, and Honeywell. Major consuming regions span Asia Pacific, Europe, and North America, with downstream demand driven by synthetic rubber, fuel additives, MTBE, and chemical intermediates. This producer concentration means supply security is sensitive to operational disruptions at a small number of facilities.
Isobutene's value chain begins with natural gas liquids, crude oil, butane, and hydrogen, processed to produce isobutane, the direct feedstock. Isobutene is then manufactured via two routes: catalytic dehydrogenation of isobutane under high temperature and low pressure, or two-stage sulfuric acid extraction from the C4 hydrocarbon fraction of a naphtha cracker stream. The finished isobutene feeds butyl rubber for tires and automotive seals, polyisobutene for lubricants and fuel additives, MTBE and ETBE gasoline oxygenates, antioxidants, methacrolein, vitamin A, and fragrance intermediates such as citral, linalool, and geraniol.
Isobutene demand is driven by synthetic rubber production, especially butyl rubber for tyre manufacturing, where automotive sector activity sustains offtake. MTBE and ETBE gasoline oxygenates tie consumption to fuel markets, with aviation gasoline and high-octane additives pulling from aerospace. Polyisobutylene (PIB) supports lubricant and adhesive demand, while antioxidants, citral, linalool, and vitamin A synthesis provide diversified consumption. Cautious butyl rubber buying amid uneven automotive demand and limited MTBE support can keep prices broadly soft, as adequate C4 supply outweighs measured downstream needs.
Procurement Resource assesses isobutene prices through a structured, data-driven methodology combining primary engagement with producers, suppliers and traders, secondary market data, monitoring of feedstock and input costs, trade-flow and inventory tracking, and exchange or spot benchmarks. These inputs are validated and translated into a transparent price assessment and outlook. The detailed methodology is available on the Procurement Resource website.
Our Price Analysis Methodology
About the Author
Pragati Agarwal
Senior Business Insights Analyst
Delivering price trend analysis and procurement market insights at Procurement Resource, with expertise in identifying commodity patterns, supporting purchasing strategies, and improving cost efficiency through actionable market intelligence.
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