Furfural

**What is Furfural?:** Furfural is an organic compound which is made from a variety of agricultural byproducts, such as corncobs, oat, wheat bran, and sawdust. Furfural is a heterocyclic aldehyde, with the ring structure shown at the top left of the page. Its chemical formula is OC4H3CHO. It is a colorless oily liquid with the odor of almonds, but upon exposure to air, samples quickly become yellow as shown at the top center of the page. 
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