Cdc niosh pocket guide to chemical hazards furfural. Furfural can be made by heating xylan in the presence of 12% hydrochloric or sulfuric acid. Furfural serves as a raw material in the preparation of furan, tetrahydrofuran, and tetrahydrofuryl alcohol and in the manufacture of furan resins, fungicides, and such pharmaceuticals as furacin. Furfural c 4 h 3 ocho, also called 2furaldehyde, best known member of the furan family and the source of the other technically important furans.
The first scientific opinion sccnfp082204 on furfural was adopted by the sccnfp during. Furfural is an aldehyde that is furan with the hydrogen at position 2 substituted by a formyl group. Furfural definition is a liquid aldehyde c5h4o2 of penetrating odor that is usually made from plant materials and used especially in making furan or phenolic resins and as a solvent. Increase in awareness regarding the renewable alternatives has compelled manufacturers to increase production of biomassbased chemicals such as furfural to produce additives, resins, and fuels to replace the nonrenewable resources such as petrochemicals. Furfural c4h3ocho, also called 2furaldehyde, best known member of the furan family and the source of the other technically important furans. Find msds or sds, a coa, data sheets and more information. An exothermic resinification of almost explosive violence can occur upon contact with strong mineral acids or alkalis. It has a role as a maillard reaction product and a metabolite. It is a colorless liquid, although commercial samples are often brown. Lorsquil est utilise comme additif du tabac, le 2furfural peut representer jusqua 0,03 % du poids total du tabac contenu dans une cigarette. Holtzapple, in encyclopedia of food sciences and nutrition second edition, 2003. It is a product of the dehydration of sugars, as occur in a variety of agricultural byproducts, including corncobs, oat, wheat bran, and sawdust. Nombre furfural frmula molecular 5 4 2 peso molecular gmol 96.
Furfural is an organic compound with the formula c 4 h 3 ocho. Furfuryl and furan derivatives with and without additional side. The various reactions such as acylation, acetylation, reductive amination to amines, reduction to alcohols, decarboxylation, oxidation to carboxylic acids, grignard reactions and aldol and knoevenagel condensation can occur in. Take your hr comms to the next level with prezi video. Furfural may be used as a solvent in petroleum refining, in manufacturing furfuralphenol plastics durite, as a solvent for cellulose nitrate. Background furfural cas no 98011 and ec no 2026277 has a widespread use in cosmetic products as a perfumery ingredient. Nowadays, there is a big attention paid on furan derivatives and catalytic processes, mainly to convert the sugars contained in lignocellulosic biomass. It plays a role in how your page is seen by search engine crawlers, and how it appears in serps. It can be produced from agricultural raw materials containing pentosans and lignocellulosic feedstock. Furfural has two major functional groups, an aldehyde cho and two olefin groups ch ch, and is a versatile compound for many applications.
Furfural article about furfural by the free dictionary. Furan has various interesting properties, such as it thermosets easily, has physical strength and exhibits resistance to corrosion. May 03, 20 this feature is not available right now. It has an aldehyde group attached to the 2position of furan. Furfural appears as colorless or reddishbrown mobile liquids with a penetrating odor. Opinion of the scientific panel on food additives, flavourings, processing aids and materials in contact with food afc related to flavouring group evaluation fge. It forms condensation products with many types of compounds, including phenol, amines and urea. A meta description is an html tag in the html code of your website, which allows you to customize a section of text that describes the page itself. Additionally, other transformations of furfural have been technically explored, like to biofuels, renewable fuel additives 2methylfuran, methyltetrahydrofuran, furfuryl acetate, etc. Furfural is obtained by the hydrolysis of vegetable matter, such as corn stumps, rice offal, and other materials that contain pentosan. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.