2,5-Dimethyl-4-methoxy-3(2H)-furanone – Fresh Fruit and Caramel Flavor Ingredient (FEMA 3664)

2,5-Dimethyl-4-methoxy-3(2H)-furanone, commonly known as Furanone Methyl Ether, is a premium aroma ingredient widely used in the flavor industry for its bright, fresh, and sweet sensory profile. With a CAS number of 4077-47-8 and FEMA number 3664, this compound delivers a distinctive combination of fresh fruit notes and rich caramel undertones, making it a versatile component for a wide range of flavor formulations.

This product meets the quality requirements of GB29938-2020, ensuring consistent purity and reliable performance for professional applications. It appears as a colorless to light yellow transparent liquid with a minimum content (by GC) of 98.0%, reflecting its high purity and concentration. The relative density at 25°C ranges from 1.088 to 1.097, while the refractive index at 20°C falls between 1.475 and 1.481.

The olfactory profile of 2,5-Dimethyl-4-methoxy-3(2H)-furanone is characterized by its fresh, juicy fruit character, which includes distinct strawberry and pineapple-like nuances, complemented by a smooth caramel background. This makes it particularly well-suited for a diverse range of fruit-type flavor applications, including strawberry, raspberry, pineapple, tropical fruit blends, and berry systems. Additionally, the caramel note enhances sweet flavor profiles such as butterscotch, toffee, and baked goods. The recommended usage level ranges from 5 to 20 μg/g, allowing for precise dosage control to achieve optimal flavor impact.

For optimal preservation, the product is supplied in sealed aluminum bottles of 1 kg or 5 kg under nitrogen protection to prevent oxidation and maintain freshness. It is recommended to use the product promptly after opening or dilute it with suitable solvents such as propylene glycol to ensure stability. Storage should be in a cool, dry place under refrigeration, where the product maintains a shelf life of 12 months.

This aroma ingredient is designed for professional use in flavor manufacturing and is not intended for direct consumer application. It offers reliable quality, consistent sensory performance, and excellent compatibility with various flavor systems, making it a trusted choice for flavorists seeking a high-purity methoxy-substituted furanone to create authentic fresh fruit and caramel flavor profiles across a wide range of finished products.