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Definition of tetrahydrofurfuryl alcohol. : a high-boiling liquid (C4H7O)CH2OH made by catalytic hydrogenation of furfural and used as a solvent and in the preparation of esters.
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 furfur, meaning bran, referring to its usual source. Furfural is a heterocyclic aldehyde, with the ring structure shown at right. Its chemical formula is O C 4 H 3 CHO. It is a colorless oily liquid with the odor of almonds, which quickly darkens when exposed to air.