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see furfuralfurfural
or furfuraldehyde
[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;.
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(furfuran), a heterocyclic compound; a colorless liquid, with a chloroform odor and a boiling point of 31.33°C. A large group of organic compounds, many of which are of practical

value, are derived from furan, for example, furfural, tetrahydrofuran, and 2-methylfuran. Furan is obtained primarily from furfural. It is an intermediate product in the synthesis of tetrahydrofuran; it is also used in the preparation of pyrrole, by a reaction with NH3 in the presence of Al2O3.


(organic chemistry)
One of a group of organic heterocyclic compounds containing a diunsaturated ring of four carbon atoms and one oxygen atom.
C4H4O4 The simplest furan type of molecule; a colorless, mildly toxic liquid, boiling at 32°C, insoluble in water, soluble in alcohol and ether; used as a chemical intermediate. Also known as furfuran; tetrol.
References in periodicals archive ?
One of the most recent instances included Belgium authorities issuing a rapid alert in February detailing the presence of nitrofurans and furazolidone in Indian shrimp products.
It is illegal under EU law to use nitrofurans because of the cancer risk, but the danger from one meal of it is considered low.
The move came after two samples of Brazilian poultry shipped to Northern Ireland were found to contain traces of nitrofurans.
Nitrofuran could cause cancer and was banned by the United States from being administered to food-producing animals in 2002.
Asian exporters, intent on maintaining business in Europe, have intensified quality control measures to meet stringent EU inspection regulations which call for zero tolerance of boomed residues such as nitrofuran, chloramphenicol and other antibiotics.
Dutch veterinary inspectors in the past few years have not only seized whole container loads from which samples tested positive for minute traces of chloramphenicol or nitrofuran contamination, but ordered them destroyed rather than returned to point of origin.
Los pedidos procedentes de la UE estan entrando, puntualizo Adirek, a pesar de los estrictos controles de restos de nitrofuran.
The net loss for the quarter was favorably impacted by the timing of expenditures for market introduction of our Release NF(TM) nitrofuran delivery catheter.
Excluding the impact of the FDA-mandated withdrawal of nitrofuran products from the U.
In Brussels, the European Commission decided June 20 that it would formally adopt the decision of the EU Standing Committee of Food Chain and Animal Health in January to relax the 100% testing requirement on Thai shrimp last year after nitrofuran, one of the EU's banned substances, was detected in a single consignment from Thailand.
For nearly two years, Thai exporters, as well as other Asian producers of farm-raised shrimp, have greatly curtailed activity in the European market rather than run the risk that rigid enforcement of a zero tolerance threshold for banned substances such as the antibiotics chloramphenicol or nitrofuran could trigger total destruction of their valuable container-loads.
SB's Animal Health business was affected by weak market conditions, discontinuation of sales of nitrofuran products in the United States, and a decline in sales of growth enhancement products.