What is Methyl Isobutyl Ketone
Analysts Sentiment
Bullish
38.7%
Neutral
20.1%
Bearish
41.2%
What's driving sentiment this week:
Past Week (2026-05-29 to 2026-06-05) — Sentiment: Mixed
Celanese’s May 11 acetyl product price increase raised MIBK prices by $450/MT in Latin America, tightening supply and driving prices higher.
US MIBK prices surged 10.44% in the week ending May 29, 2026, reflecting robust demand from coatings, rubber processing, and extraction solvents due to forward buying amid supply disruption fears.
Lower acetone prices expected in June 2026 will reduce feedstock costs, applying bearish margin pressure to MIBK producers.
This Week (2026-06-08 to 2026-06-14) — Outlook: Mixed
Price momentum from late May’s strong demand surge coexists with looming downward pressure from weakening acetone costs, producing a balanced near-term outlook.
The most important catalyst is US acetone price trajectories through mid-June, which will dictate MIBK production economics and potential price corrections.
An unexpected supply disruption or stronger-than-expected downstream demand revival would quickly push the market firmly bullish.
Key Market Impact
Demand-driven price gains and producer price hikes currently dominate upward momentum, but margin squeeze risk from declining acetone feedstock prices caps upside.
Traders will cautiously monitor acetone cost trends while maintaining inventory buffers to manage volatility and potential supply chain shocks.
How About the Price?
Price Trajectory 2020–2026 (Brief Recap)
Phase 1 — Early Stability and Initial Decline (2020–2020-12): Prices hovered around $1,050 in January 2020 before steadily falling to $940 by December 2020 amid stable market conditions without specific events noted.
Phase 2 — Geopolitical and Force Majeure Impact (2021-01 to 2021-02): The price declined from $920 in January 2021 to $910 in February 2021 driven by US-China trade tensions and Celanese’s force majeure announcement affecting acetyl supply chains.
Phase 3 — Continued Downtrend with Feedstock Pressure (2022-01 to 2023-02): Prices fell from $800 in January 2022 to $670 in February 2023, pressured by acetone oversupply and weak demand from automotive and construction sectors, alongside an Asia supply shock in April 2022.
Phase 4 — Regulatory and Demand Fluctuations with Moderate Recovery (2023-03 to 2024-06): Prices decreased further from $660 in March 2023 to $510 in June 2024 despite regulatory consultations and demand slowdowns, offset by strong US demand spikes reaching $2,050/MT in June 2024 reported in influence data (note price series shows 510 USD/ton June 2024, which aligns with estimated baseline).
Phase 5 — Continued Decline and Demand Moderation (2024-07 to 2025-12): Prices steadily declined from $500 in July 2024 to $330 in December 2025 amid ongoing weak downstream demand, feedstock volatility, and moderating automotive and construction consumption.
Phase 6 — Early 2026 Recovery and Geopolitical Price Surge (2026-01 to 2026-06-08): Prices rebounded from $350 in January 2026 to $490 by June 2026, driven by phased recovery from stabilized acetone supply and escalating US-Iran geopolitical tensions causing supply disruption premiums.
Supply-side factors
- Celanese force majeure due to winter weather impacting MIBK production (early 2021).
- LCY Performance Materials Corp facility shutdown causing supply tightness in Asia (April 2022).
- New Chinese capacity of approx. 130,000 tons commissioned raising competitive pressure (March 2024).
- Acetone feedstock price volatility strongly influencing MIBK production margins (multiple occasions 2022-2025).
- Geopolitical tensions including US-Iran military exchanges impacting US Gulf Coast supply disruptions (2026).
Demand-side factors
- Weak demand from automotive and construction sectors reducing MIBK consumption (2022-2023).
- Moderate recovery in automotive and construction demand supporting MIBK use (early 2023).
- Regulatory pressure from EPA consultations on MIBK restrictions in cleaning products (2023-2024).
- Strong US demand for coatings and balanced supply pushing prices higher mid-2024.
- Moderating downstream demand leading to price declines especially in China and Southeast Asia (2024-2025).
Substitutes & Alternatives
| Substitute | Replacement Scenario / How It Substitutes |
|---|---|
| Methyl Ethyl Ketone (MEK, Butanone) | The most common direct substitute for MIBK in solvent applications including nitrocellulose lacquers, vinyl coatings, adhesives, and printing inks. MEK has a lower boiling point (80°C vs 116°C) and higher evaporation rate, so reformulation of coating blends is typically required to match drying profiles. MEK is generally lower in cost and widely available, making it the first-choice alternative when MIBK supply is constrained. |
| Acetone | Can substitute for MIBK in less demanding solvent applications such as cleaning, degreasing, and some resin dissolution where the faster evaporation rate of acetone is acceptable or desirable. Not suitable as a drop-in replacement in slow-dry coatings or where water tolerance is important. Acetone is also the direct feedstock for MIBK, so its use as a substitute is primarily in lower-value solvent blends. |
| Cyclohexanone | Used as a substitute in high-solids coatings, vinyl resin solvents, and adhesive formulations where a slower-evaporating, high-solvency ketone is needed. Cyclohexanone has comparable solvency power (Kauri-Butanol value ~47 vs ~40 for MIBK) and a similar boiling point range, making it a closer technical match than MEK in some coating systems. Partial or full replacement is feasible with minor reformulation. |
| Diisobutyl Ketone (DIBK) | Substitutes for MIBK in slow-dry lacquer and coating formulations where a higher-boiling ketone solvent is required. DIBK (bp ~168°C) is used when extended open time or reduced evaporation rate is needed. It is also used in some metal extraction applications as a partial substitute for MIBK. Requires reformulation due to significantly different evaporation rate. |
| Isopropyl Acetate / n-Butyl Acetate | Ester solvents that can substitute for MIBK in nitrocellulose and acrylic coating formulations. n-Butyl acetate in particular has similar solvency and evaporation characteristics to MIBK and is widely used as a drop-in or partial replacement in lacquer thinners and automotive refinish coatings. Regulatory preference for esters over ketones in some jurisdictions drives this substitution. |
| Di-2-ethylhexyl Phosphoric Acid (D2EHPA) systems / TBP in diluent | In hydrometallurgical solvent extraction of rare earth elements, uranium, and cobalt, MIBK is sometimes replaced by tributyl phosphate (TBP) or D2EHPA dissolved in a kerosene diluent. These systems offer improved selectivity and lower volatility for large-scale continuous extraction circuits, though they require different process conditions and stripping chemistry. |
| Glycol Ethers (e.g., Propylene Glycol Monomethyl Ether, PM) | Used as lower-VOC, water-miscible alternatives to MIBK in waterborne and high-solids coating formulations where regulatory VOC limits restrict the use of conventional ketone solvents. Substitution typically requires significant reformulation of the coating system and is driven by environmental compliance rather than direct technical equivalence. |
Regulatory Status
| Region | Regulation / Policy Name | Issuing Authority | Year (enacted or latest revision) | Key Requirement / Threshold | Source |
|---|---|---|---|---|---|
| US | Clean Air Act | US EPA | 1970 (ongoing) | MIBK classified as VOC; no specific numerical emission threshold for MIBK use as solvent in general industrial applications | https://www.epa.gov/ (Clean Air Act overview); 40 CFR Part 59 National Volatile Organic Compound Emission Standards for Consumer and Commercial Products |
| US | National Volatile Organic Compound Emission Standards for Consumer and Commercial Products | US EPA | 1970 (ongoing) | 40 CFR Part 59 applies limits to product categories; MIBK as solvent subject to applicable VOC controls where relevant (no specific MIBK threshold) | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-59; https://www.ul.com/news/volatile-organic-compounds-vocs-brief-regulatory-overview |
| US | TSCA Section 8(e) and EPCRA Reporting | US EPA | 1980s (ongoing; petition denied) | MIBK remains subject to Section 8(e) reporting requirements; not removed from EPCRA TRI list | https://www.epa.gov/toxics-release-inventory-tri-program/methyl-isobutyl-ketone-petition; https://ncasi.org/wp-content/uploads/2011/11/2a29-99.pdf |
| EU | REACH Regulation (Annex XVII restrictions) | EU REACH / ECHA | 2006 (ongoing) | MIBK subject to general restrictions; no specific numerical threshold for solvents | https://echa.europa.eu/regulations/reach; SDS classifications |
| EU | Occupational Exposure Limits (OEL) | EU REACH / ECHA | 2006 (ongoing) | GHS: H225 (highly flammable liquid and vapour); H332 (harmful if inhaled); no numerical OEL specified in regulation | https://www.carlroth.com/medias/SDB-0061-GB-EN.pdf |
| Global Transport | IMDG Code / ADR / UN Model Regulations | UN / IMO / UNECE | 1960 (ongoing; UN 1245) | UN 1245; Class 3; Packing Group II | https://www.inchem.org/documents/icsc/icsc/eics0511.htm; https://www.carlroth.com/medias/SDB-0061-GB-EN.pdf |
| US | OSHA Permissible Exposure Limit (PEL) | OSHA | 1970 (ongoing) | 100 ppm TWA (410 mg/m³); 300 ppm STEL | http://www.osha.gov/chemicaldata/75; https://www.cdc.gov/niosh/npg/npgd0326.html |
| US | NIOSH Recommended Exposure Limit (REL) | NIOSH | 1988 (ongoing) | 50 ppm TWA (205 mg/m³); 75 ppm STEL | http://www.osha.gov/chemicaldata/75; https://www.cdc.gov/niosh/npg/npgd0326.html |
Key Influence Events
Methyl isobutyl ketone (MIBK), also known as 4-methylpentan-2-one, is a clear, colorless, flammable liquid ketone with the molecular formula C6H12O and CAS number 108-10-1. It has a mild, pleasant ketonic odor and is partially miscible with water. MIBK is widely used as an industrial solvent for nitrocellulose lacquers, vinyl resins, and surface coatings, as an extractant for rare earth metals and uranium in hydrometallurgy, and as a chemical intermediate in the synthesis of rubber antioxidants, pharmaceuticals, and other specialty chemicals. It is produced commercially by the catalytic condensation and hydrogenation of acetone in a three-step or single-step (one-pot) process.
Top Countries Production Capacity
Production Process of Methyl Isobutyl Ketone
Methyl isobutyl ketone (MIBK), also known as 4-methylpentan-2-one, is a clear, colorless, flammable liquid ketone with the molecular formula C6H12O and CAS number 108-10-1. It has a mild, pleasant ketonic odor and is partially miscible with water. MIBK is widely used as an industrial solvent for nitrocellulose lacquers, vinyl resins, and surface coatings, as an extractant for rare earth metals and uranium in hydrometallurgy, and as a chemical intermediate in the synthesis of rubber antioxidants, pharmaceuticals, and other specialty chemicals. It is produced commercially by the catalytic condensation and hydrogenation of acetone in a three-step or single-step (one-pot) process.
Specs & Grades
| Property | Typical Value / Range | Unit | Grade / Standard |
|---|---|---|---|
| Purity (MIBK content) | ≥99.0 | wt% | Industrial / Technical Grade |
| Purity (MIBK content) | ≥99.5 | wt% | High-Purity / Solvent Grade |
| Water content | ≤0.05 | wt% | Industrial Grade |
| Water content | ≤0.02 | wt% | Solvent / High-Purity Grade |
| Acidity (as acetic acid) | ≤0.005 | wt% | Industrial Grade |
| Color (APHA/Hazen) | ≤10 | Hazen units | All commercial grades |
| Specific gravity (20°C/20°C) | 0.796–0.800 | — | All commercial grades |
| Boiling point (760 mmHg) | 115.8–116.5 | °C | All commercial grades |
| Flash point (closed cup) | 14–16 | °C | All commercial grades |
| Refractive index (nD20) | 1.394–1.397 | — | All commercial grades |
| Diacetone alcohol content | ≤0.10 | wt% | Industrial Grade |
| Diacetone alcohol content | ≤0.05 | wt% | High-Purity Grade |
| Mesityl oxide content | ≤0.20 | wt% | Industrial Grade |
| Mesityl oxide content | ≤0.05 | wt% | High-Purity Grade |
| Residue on evaporation | ≤0.001 | wt% | Solvent Grade |
Who are the Top Players?
| Company | Headquarters | Key Facilities |
|---|---|---|
| Celanese | Irving, Texas, USA | Cangrejera, Veracruz, Mexico |
| Shell Chemicals | The Hague, Netherlands | Deer Park, Texas, USA, Pernis, Netherlands |
| Dow Chemical | Midland, Michigan, USA | |
| Eastman Chemical Company | Kingsport, Tennessee, USA | |
| Mitsui Chemicals | Tokyo, Japan | |
| Kumho P&B Chemicals | Seoul, South Korea | Yeosu, Jeollanam-do, South Korea, Yangchon-eup, Gimpo-si, Gyeonggi-do, South Korea |
| Sasol | Johannesburg, South Africa | Sasolburg, Free State, South Africa, Houston, Texas, USA |
| Arkema Group | Courbevoie, France | La Chambre, Isère, France |
| LCY Chemical Corp. | Taipei, Taiwan | |
| MGC (Mitsubishi Gas Chemical) | Tokyo, Japan | |
| KH Neochem Co., Ltd. | Seoul, South Korea |
Our Analysis are Happy
"Global volatility doesn't have to be a risk for your business. We monitor feedstock shifts and geopolitical trends daily to help you anticipate price movements before they hit the market."
Theo James
"Data is only as good as its source. We go beyond the numbers to ensure that the product grade you select matches your specific application, reducing waste and optimizing your operational efficiency."
Emilia Munro
"Timing is everything in petrochemical procurement. Our goal is to align your purchasing cycles with market troughs, effectively lowering your cost basis and maximizing your margins."
Branden Griffiths
we’re here to all your questions
Everything you need to know about our market analysis, product quality, and procurement process.
How much for a custom market analysis?
Costs vary based on the scope. Please contact our sales team for a custom quote.
Do you offer trade credit or bulk pricing?
Yes, we offer flexible payment terms and volume-based pricing for corporate accounts.
Do you provide product quality documentation?
Yes, every delivery includes a Certificate of Analysis (COA) and safety documentation (MSDS).
Can you help me select the right product specification?
Certainly. Our technical experts are available to guide you to the ideal grade for your specific application.