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- Molecular formula: C5H4O2
- Molar mass: 96.084
- CAS Registry Number: 98-01-1
- Appearance: 2-Furaldehyde, ACS, 98% min; 2-Furaldehyde, 98%; 2-Furaldehyde, ACS, 98% min; 2-Furaldehyde, 98%; Colorless to amber liquid with an almond-like odor. [Note: Darkens in light and air.]; colourless to reddish-brown oily liquid with almond odour; Colourless to yellow oily liquid which browns on storage, pungent, sweet, bread-like, caramellic, cinnamon-almond-like flavour, odour resembles benzaldehyde
- Melting point: -36 °C
- Boiling point: 161 to 162 °C
- Solubility: Water, 7.7e+004 mg/L (25 deg C)
- Safety sheet: Not available
- Spectra: ChemSpider (IR, 1H NMR, 13C NMR), NMRShiftDB 13C NMR, Massbank MS (1, 2, 3, 4, 5, 6, 7, 8), also check on SDBS. Add Spectra (Help).
Furfural is an organic compound derived from a variety of agricultural byproducts, including corncobs, oat, wheat bran, and sawdust. The name furfural comes from the Latin word , meaning bran, referring to its usual source.
Furfural is a heterocyclic aldehyde, with the ring structure shown at right. Its chemical formula is OC4H3CHO. It is a colorless oily liquid with the odor of almonds, which quickly darkens when exposed to air.
It is one of the components found in vanilla.
2-Furaldehyde (IUPAC Name); 2-furanaldehyde; 2-furancarboxaldehyde; 2-furfural; 2-Furfuraldehyde; formylfuran; Furaldehyde; furan-2-carbaldehyde; Furfuraldehyde