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• Carbon_monoxide abstract "Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air. It is toxic to humans and animals when encountered in higher concentrations, although it is also produced in normal animal metabolism in low quantities, and is thought to have some normal biological functions. In the atmosphere, it is spatially variable and short lived, having a role in the formation of ground-level ozone.Carbon monoxide consists of one carbon atom and one oxygen atom, connected by a triple bond that consists of two covalent bonds as well as one dative covalent bond. It is the simplest oxocarbon, and isoelectronic with the cyanide ion and molecular nitrogen. In coordination complexes the carbon monoxide ligand is called carbonyl.Carbon monoxide is produced from the partial oxidation of carbon-containing compounds; it forms when there is not enough oxygen to produce carbon dioxide (CO2), such as when operating a stove or an internal combustion engine in an enclosed space. In the presence of oxygen, including atmospheric concentrations, carbon monoxide burns with a blue flame, producing carbon dioxide. Coal gas, which was widely used before the 1960s for domestic lighting, cooking, and heating, had carbon monoxide as a significant fuel constituent. Some processes in modern technology, such as iron smelting, still produce carbon monoxide as a byproduct.Worldwide, the largest source of carbon monoxide is natural in origin, due to photochemical reactions in the troposphere that generate about 5×1012 kilograms per year. Other natural sources of CO include volcanoes, forest fires, and other forms of combustion.In biology, carbon monoxide is naturally produced by the action of heme oxygenase 1 and 2 on the heme from hemoglobin breakdown. This process produces a certain amount of carboxyhemoglobin in normal persons, even if they do not breathe any carbon monoxide. Following the first report that carbon monoxide is a normal neurotransmitter in 1993, as well as one of three gases that naturally modulate inflammatory responses in the body (the other two being nitric oxide and hydrogen sulfide), carbon monoxide has received a great deal of clinical attention as a biological regulator. In many tissues, all three gases are known to act as anti-inflammatories, vasodilators, and promoters of neovascular growth. Clinical trials of small amounts of carbon monoxide as a drug are ongoing.".
• Carbon_monoxide thumbnail Carbon_monoxide_2D.svg?width=300.
• Carbon_monoxide wikiPageExternalLink co.html.
• Carbon_monoxide wikiPageExternalLink index.html.
• Carbon_monoxide wikiPageExternalLink carbon_monoxide.html.
• Carbon_monoxide wikiPageExternalLink top.
• Carbon_monoxide wikiPageExternalLink npgd0105.html.
• Carbon_monoxide wikiPageExternalLink co-comp.
• Carbon_monoxide wikiPageExternalLink www.cosafety.org.
• Carbon_monoxide wikiPageExternalLink tab61.
• Carbon_monoxide wikiPageExternalLink detect.htm.
• Carbon_monoxide wikiPageExternalLink eics0023.htm.
• Carbon_monoxide wikiPageExternalLink copure.html.
• Carbon_monoxide wikiPageExternalLink Dont_blame_the_messenger.asp.
• Carbon_monoxide wikiPageExternalLink COHazard.htm.
• Carbon_monoxide wikiPageID "6136".
• Carbon_monoxide wikiPageRevisionID "606350209".
• Carbon_monoxide hasPhotoCollection Carbon_monoxide.
• Carbon_monoxide imagefile "Carbon monoxide 2D.svg".
• Carbon_monoxide imagefilel "Carbon-monoxide-3D-balls.png".
• Carbon_monoxide imagefiler "Carbon-monoxide-3D-vdW.png".
• Carbon_monoxide imagename "Wireframe model of carbon monoxide".
• Carbon_monoxide imagenamel "Ball-and-stick model of carbon monoxide".
• Carbon_monoxide imagenamer "Spacefill model of carbon monoxide".
• Carbon_monoxide imagesize "170".
• Carbon_monoxide othernames "Carbon monooxide".
• Carbon_monoxide othernames "Carbon oxide".
• Carbon_monoxide othernames "Carbonous oxide".
• Carbon_monoxide othernames "Carbonyl".
• Carbon_monoxide pin "Carbon monoxide".
• Carbon_monoxide verifiedrevid "477004453".
• Carbon_monoxide subject Category:Carbon_monoxide.
• Carbon_monoxide subject Category:Hazardous_air_pollutants.
• Carbon_monoxide subject Category:Industrial_gases.
• Carbon_monoxide subject Category:Oxocarbons.
• Carbon_monoxide subject Category:Smog.
• Carbon_monoxide subject Category:Toxicology.
• Carbon_monoxide type ChemicalCompound.
• Carbon_monoxide type ChemicalSubstance.
• Carbon_monoxide type ChemicalSubstanceType.
• Carbon_monoxide type ChemicalObject.
• Carbon_monoxide type Thing.
• Carbon_monoxide comment "Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air. It is toxic to humans and animals when encountered in higher concentrations, although it is also produced in normal animal metabolism in low quantities, and is thought to have some normal biological functions.".
• Carbon_monoxide label "Carbon monoxide".
• Carbon_monoxide label "Kohlenstoffmonoxid".
• Carbon_monoxide label "Koolstofmonoxide".
• Carbon_monoxide label "Monossido di carbonio".
• Carbon_monoxide label "Monoxyde de carbone".
• Carbon_monoxide label "Monóxido de carbono".
• Carbon_monoxide label "Monóxido de carbono".
• Carbon_monoxide label "Tlenek węgla".
• Carbon_monoxide label "Монооксид углерода".
• Carbon_monoxide label "أول أكسيد الكربون".
• Carbon_monoxide label "一氧化碳".
• Carbon_monoxide label "一酸化炭素".
• Carbon_monoxide sameAs Oxid_uhelnatý.
• Carbon_monoxide sameAs Kohlenstoffmonoxid.
• Carbon_monoxide sameAs Μονοξείδιο_του_άνθρακα.
• Carbon_monoxide sameAs Monóxido_de_carbono.
• Carbon_monoxide sameAs Karbono_monoxido.
• Carbon_monoxide sameAs CO.
• Carbon_monoxide sameAs Monoxyde_de_carbone.
• Carbon_monoxide sameAs Karbon_monoksida.
• Carbon_monoxide sameAs Monossido_di_carbonio.
• Carbon_monoxide sameAs 一酸化炭素.
• Carbon_monoxide sameAs 일산화_탄소.
• Carbon_monoxide sameAs Koolstofmonoxide.
• Carbon_monoxide sameAs Tlenek_węgla.
• Carbon_monoxide sameAs Monóxido_de_carbono.
• Carbon_monoxide sameAs m.01v1v.
• Carbon_monoxide sameAs Q2025.
• Carbon_monoxide sameAs Q2025.
• Carbon_monoxide wasDerivedFrom Carbon_monoxide?oldid=606350209.
• Carbon_monoxide depiction Carbon_monoxide_2D.svg.
• Carbon_monoxide isPrimaryTopicOf Carbon_monoxide.