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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Dihydrofurans Furanones

Comprehensive Guide to 5-Ethyl-4-hydroxy-2-methyl-3(2H)-furanone (CAS No. 27538-09-6): Properties, Applications, and Industry Insights

5-Ethyl-4-hydroxy-2-methyl-3(2H)-furanone (CAS No. 27538-09-6), often referred to as a furanone derivative, is a versatile organic compound widely recognized for its role in flavor and fragrance formulations. This mixture of isomers (typically >80% purity) exhibits a unique caramel-like aroma, making it a prized ingredient in food, beverage, and cosmetic industries. Its molecular structure, featuring a hydroxy-furanone core, contributes to both its sensory properties and functional versatility.

The growing demand for natural-identical flavor compounds has propelled research into 5-Ethyl-4-hydroxy-2-methyl-3(2H)-furanone, particularly as consumers increasingly seek clean-label products. Recent studies highlight its synergistic effects when combined with other Maillard reaction products, enhancing savory or sweet profiles in plant-based meat alternatives—a trending sector projected to grow at 15% CAGR through 2030. Analytical techniques like GC-MS and HPLC are critical for quality control of this isomeric mixture, ensuring batch-to-batch consistency for manufacturers.

From a biochemical perspective, the compound’s furanone ring system demonstrates remarkable stability under moderate pH conditions (4–8), though thermal degradation above 150°C warrants careful processing. Regulatory bodies including FDA and EFSA classify it as GRAS (Generally Recognized As Safe) when used within specified limits. Innovations in green chemistry synthesis routes for 27538-09-6 are gaining attention, with enzymatic catalysis methods reducing energy consumption by up to 40% compared to traditional approaches.

In fragrance applications, 5-Ethyl-4-hydroxy-2-methyl-3(2H)-furanone contributes to complex accords ranging from tropical fruits to roasted nuts. Perfumers value its ability to modulate volatility in scent compositions—a property extensively discussed in recent IFRA (International Fragrance Association) technical guidelines. The compound’s logP value of ~1.2 indicates favorable skin adherence, explaining its prevalence in long-lasting personal care products.

Emerging research explores the compound’s potential in functional food additives, with preliminary evidence suggesting antioxidant activity at concentrations ≥0.1%. However, its primary industrial use remains in flavor enhancers for baked goods, dairy analogs, and savory snacks. Supply chain analysts note steady 6–8% annual demand growth for high-purity furanones, driven by Asia-Pacific markets where processed food consumption is rising exponentially.

Quality specifications for CAS 27538-09-6 typically require ≤0.5% residual solvents (per ICH Q3C guidelines) and rigorous isomer ratio documentation. Advanced purification techniques like simulated moving bed chromatography now enable ≥95% purity grades for pharmaceutical applications, though standard 80% isomer mixtures suffice for most flavor uses. Storage recommendations emphasize amber glass containers under nitrogen atmosphere to prevent oxidative degradation.

The compound’s environmental profile has undergone recent scrutiny through OECD 301 biodegradability testing, showing 78% mineralization within 28 days—a favorable result for sustainable formulation development. Life cycle assessment (LCA) studies comparing synthetic versus bio-derived 5-Ethyl-4-hydroxy-2-methyl-3(2H)-furanone are ongoing, with preliminary data suggesting comparable carbon footprints when renewable feedstocks are utilized.

From an analytical chemistry standpoint, 27538-09-6 presents unique challenges in isomer separation, requiring chiral columns or supercritical fluid chromatography for complete resolution. Recent publications in the Journal of Agricultural and Food Chemistry detail novel NMR techniques for quantifying individual isomers in complex matrices—an advancement particularly valuable for authenticity testing in premium food products.

Market intelligence indicates that nearly 65% of global furanone flavor ingredient production serves the confectionery sector, with white chocolate and caramel applications dominating. Techno-economic analyses reveal that optimized synthetic routes can achieve production costs below $120/kg at commercial scales, positioning 5-Ethyl-4-hydroxy-2-methyl-3(2H)-furanone as a cost-effective alternative to certain natural extracts.

Future applications may leverage the compound’s recently discovered interaction with TRPM5 taste receptors, potentially enabling development of next-generation taste modulators. Patent filings related to CAS 27538-09-6 have increased 22% since 2020, particularly in encapsulation technologies that enhance thermal stability for baked goods processing. As regulatory landscapes evolve, comprehensive toxicological dossiers continue to reinforce the safety profile of this industrially significant flavor molecule.

• 65330-49-6(Fraision ethylether)
• 85391-93-1(2-ethyl-4-methoxy-5-methyl-furan-3-one)
• 192466-95-8(3(2H)-Furanone,4-hydroxy-2,5-dimethyl-, labeled with carbon-14 (9CI))
• 27538-10-9(2-Ethyl-4-hydroxy-5-methyl-3(2H)-furanone)
• 131222-81-6(3(2H)-Furanone,4-hydroxy-2,5-dimethyl-, (2S)-)
• 502158-47-6(4H-Pyran-4-one, 2,3-dihydro-3,5-dimethoxy-6-methyl-)
• 17678-20-5(4-hydroxy-2-(hydroxymethyl)-5-methylfuran-3(2H)-one)
• 4077-47-8(4-Methoxy-2,5-dimethyl-3(2H)-furanone)
• 3658-77-3(Furaneol)
• 131222-82-7(3(2H)-Furanone,4-hydroxy-2,5-dimethyl-, (2R)-)