Furfuryl isobutyrate（CAS#6270-55-9）

Physical & Chemical Properties

• ‌Appearance‌: ‌Colorless to pale yellow liquid‌
• ‌Odor Profile‌: ‌Fruity, coffee-like aroma‌, classified as ‌fruity-type‌ (fruity)
• ‌Boiling Point‌: ‌203.7 °C‌ (760 mmHg) or approximately ‌237.12 °C‌ (estimated)
• ‌Density‌: ‌1.0313–1.061 g/cm³‌ (20–25 °C)
• ‌Refractive Index‌: 1.4371–1.464 (estimated or measured)
• ‌LogP‌: ‌1.966–1.97‌ (estimated)
• ‌Solubility‌: Soluble in ethanol and other organic solvents, with good chemical compatibility

Safety & Storage

• ‌GHS Pictogram‌: No clear data available (some sources indicate no classification)
• ‌Hazard Statement‌: Currently, there is ‌no complete GHS classification information‌ publicly available for this substance
• ‌Personal Protection‌: It is recommended to wear ‌protective goggles and gloves‌, and avoid inhalation of vapors or skin contact
• ‌Storage Conditions‌: Store in a ‌light-resistant, sealed container under inert atmosphere at room temperature‌ to prevent oxidation
• ‌WGK Germany‌: Not explicitly labeled

Uses & Applications

1. ‌Fragrance & Flavor‌:
   • Used as a ‌fruity-type flavoring agent‌, especially in ‌coffee, nutty, and baked food flavor formulations‌
   • Enhances warmth and sweet aromatic notes in perfumes, air fresheners, and personal care products
2. ‌Food Additive‌:
   • Possesses a ‌coffee-like fruity scent‌, suitable for flavor enhancement in beverages, candies, and baked goods
   • Not explicitly listed in the FEMA GRAS inventory, but may be used as a flavor modifier under regulatory compliance
3. ‌Industrial Raw Material‌:
   • Acts as a ‌reactive diluent and plasticizer‌ in resins, coatings, and adhesives, improving flow and flexibility
   • Applied in automotive, construction, and electronics industries for high-performance coating systems
4. ‌Research & Intermediate‌:
   • Serves as an ‌organic synthesis intermediate‌ for constructing complex fragrance molecules or functional materials
   • Useful in olfactory receptor studies and flavor metabolism research

Synthesis Method

Typically synthesized via ‌acid-catalyzed esterification‌ of ‌furfuryl alcohol‌ (CAS: 98-00-0) with ‌isobutyric acid‌ (CAS: 79-31-2), with a yield of approximately ‌59%‌. The product is purified by distillation or extraction to achieve high purity.

⚠️ ‌Note‌: This product is a chemical substance, ‌not for direct consumption or medicinal use‌. For industrial, research, or flavor formulation purposes only. Purchase requires appropriate qualifications.