Physical and chemical properties
 Appearance: white to light yellow crystal or powder-like solid.

 Aroma: baking with a strong caramel flavor, aroma is fruity, fragrant coke, caramel and pineapple-like aroma. Melting point :73-77 º C (lit.)
 Boiling point: 188 º C
 Density: 1.049g/mLat25 º C
 Refractive index: n20/D1.439
 Flash Point:> 230 ° F
 Storage conditions :2-8 º C
 Solubility: slightly soluble in water, soluble in organic solvents such as ethanol.

 Content analysis
 With the gas-liquid chromatography (GT-10-4) in the appropriate column with solvent polarity determination.

 Naturally occurring
 Natural materials found in strawberries, oats, cheese, boiled beef, beer, cocoa, coffee, tea, mango, litchi, malt, gooseberries, grapes, heating beef, pineapple, etc., etc. 1965 JORodin ether in pineapple juice extract was first isolated furanone, and to determine its molecular structure.