furan

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fu·ran

(fyū'ran),
1. A cyclic compound found, usually in saturated form, in those sugars with an oxygen bridge between carbon atoms 1 and 4, or 2 and 5, or 3 and 7, for which reason they are known as furanoses.
2. Oxa-2,4-cyclopentadiene.

furan

(fūr′an″, fū-ran′) [ furfuran, a former name]
C4H4O, an organic aromatic hydrocarbon, similar in shape to benzene, containing four carbon atoms and one oxygen atom. It is the structural source from which many useful pharmaceuticals are synthesized, including a wide variety of antibiotics.
CAS # 110-00-9
References in periodicals archive ?
Installation furan dioxin measurements devices semi-continuous on Sec incineration smoke
So roasting coffee at a lower temperature for a longer period produces less furans than the traditional methods that take only 10 minutes, Santos said.
The refinery is reported to produce quantities of dioxins, furans, PCBs, and heavy metal by-products as well as other hazardous chemicals, based on the refinery's annual reporting requirements to the United States Environmental Protection Agency's Toxic Release Inventory (TRI) (USEPA 2003).
These toxics can leach into soil and groundwater from landfills and form highly toxic dioxins and furans during incineration and recycling.
Mrs Munro said: ``Dioxins and furans resulting from waste incineration are recognised as being among the most toxic substances known and can cause cancer.
In a statement, the environmentalist group said the act was to protest "Japan's reckless waste-incineration policy," which results in Japan having the highest total emissions of dioxins and furans in the world.
The 12 -- PCBs, DDT, dioxins, chlordane, furans, hexachlorobenzene, aldrin, mirex, dieldrin, toxaphene, endrin and heptachlor -- are all organochlorines and most are pesticides.
The market is - Regulatory impact campaigns monitoring the environment in the vicinity of the three Syctom energy recovery centers for dioxins / furans and heavy metals,- Measures that can complement the designated track above or be made individually.
There is evidence that dioxins may cause liver damage and probably can cause cancer in humans, while furans may also cause cancer.
In fall 2005, the North American Commission for Environmental Cooperation began a continentwide testing program to analyze the blood of 500 first-time mothers for environmental contaminants including dioxins, furans, PCBs, DDT, chlordane, lindane, arsenic, lead, and mercury.
The measured levels of dioxins and furans were as much as 16 times lower than the Ontario emission limits.