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furfural |
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furfural (fûr`fərəl) or furfuraldehyde (fûr'fərăl`dəhīd) [Lat.,=bran], C4H3OCHO, viscous, colorless liquid that has a pleasant aromatic odor; upon exposure to air it turns dark brown or black. It boils at about 160°C;. It is commonly used as a solvent; it is soluble in ethanol and ether and somewhat soluble in water. Furfural is the aldehyde aldehyde (ăl`dəhīd) [alcohol + New Lat. ..... Click the link for more information. of pyromucic acid; it has properties similar to those of benzaldehyde. A derivative of furan, it is prepared commercially by dehydration of pentose sugars obtained from cornstalks and corncobs, husks of oat and peanut, and other waste products. It is used in the manufacture of pesticides, phenolfurfural resins, and tetrahydrofuran. Tetrahydrofuran is used as a commercial solvent and is converted in starting materials for the preparation of nylon nylon, synthetic thermoplastic material characterized by strength, elasticity, resistance to abrasion and chemicals, low moisture absorbency, and capacity to be permanently set by heat. After 10 years of research E. I. ..... Click the link for more information. . furfural [′fər·fə‚ral] (organic chemistry) C4H3OCHO When pure, a colorless liquid, soluble in organic solvents, slightly soluble in water; used as a lube oil-refining solvent, in cellulosic formulations, in making resins, as a weed killer, as a fungicide, and as a chemical intermediate. Also known as 2-furaldehyde; furfuraldehyde; furfurol; furol. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The production of marketable by products (sugars, furfural, acetic acid, and sulphur-free lignin fragments) and the susceptibility of pulps to TCF bleaching are also favorable characteristics of both pulping technologies. The council observes - taking into account the differences in weight between humans and rats - that a person would have to eat 82,600 slices of bread a day to equal the amount of furfural that increased the risk of cancer in luckless rodents. The 500th Profit Controller implementation was recently completed on a Furfural unit at TOTAL's oil refinery in Normandy near LeHavre, France. |
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