Overview
Furfuryl propionate is an organic ester derived from furfuryl alcohol and propionic acid. It is commonly used in the flavor and fragrance industry due to its fruity, slightly woody aroma. The compound is synthesized through esterification, and its stability makes it suitable for various applications. In industrial contexts, furfuryl propionate is valued for its versatility. It serves as a key ingredient in creating artificial flavors for baked goods, candies, and beverages. Additionally, its pleasant odor profile makes it a popular choice in perfumery and cosmetic formulations.
Physical and Chemical Properties
Furfuryl propionate is a colorless to pale yellow liquid with a characteristic fruity odor. Its molecular structure includes a furan ring, contributing to its unique aromatic properties. The ester is relatively stable under normal conditions but may degrade when exposed to strong acids or bases. The compound's solubility in organic solvents like ethanol and ether makes it easy to incorporate into various formulations. However, its limited solubility in water requires careful handling in aqueous systems. Its boiling point of 195-197°C indicates moderate volatility, which is advantageous for flavor and fragrance applications.
Main Applications
The primary use of furfuryl propionate is in the food and beverage industry as a flavoring agent. It imparts fruity notes to products like candies, baked goods, and soft drinks. Its stability under high temperatures makes it suitable for baked goods processing. In the cosmetics industry, furfuryl propionate is used in perfumes, soaps, and lotions for its pleasant aroma. It also serves as an intermediate in organic synthesis, particularly in producing other furan derivatives for pharmaceuticals and agrochemicals.
Safety and Storage
Furfuryl propionate should be handled with care to avoid skin and eye irritation. Proper personal protective equipment (PPE), such as gloves and goggles, is recommended during use. Inhalation of vapors should be minimized by working in well-ventilated areas. Storage conditions are critical to maintaining the compound's stability. It should be kept in tightly sealed containers, away from heat sources and oxidizing agents. Shelf life is typically several years when stored correctly, but regular quality checks are advised for industrial users.
B2B Procurement Guide
When procuring furfuryl propionate, buyers should prioritize suppliers with certifications like ISO or GMP, especially for food-grade or pharmaceutical-grade products. Key specifications to verify include purity (typically ≥98%), CAS number (623-19-8), and absence of contaminants. Bulk purchasing may offer cost advantages, but buyers should assess storage capabilities to prevent degradation. Sample testing is recommended before large-scale orders to ensure compatibility with the intended application. Lead times and logistics should also be considered, as international shipments may require special handling.
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