Mercaptan - Revision history

Jmdonev: 1 revision imported

2026-07-02T20:55:24Z

1 revision imported

← Older revision	Revision as of 20:55, 2 July 2026
(No difference)

energy>Jmdonev at 17:41, 4 June 2026

2026-06-04T17:41:41Z

← Older revision		Revision as of 17:41, 4 June 2026
Line 1:		Line 1:
	[[Category:Done ~~2018~~-08-03]]		[[Category:Done 2026-07-01]]
	[[File:640px-Methanethiol-3D-balls.png\|400px\|framed\|right\|Figure 1. A model of mercaptan. Here the yellow represents sulfur, the black represents carbon, and the white represents hydrogen.<ref>Wikimedia Commons. (June 15, 2015). ''Methanethiol'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Methanethiol-3D-balls.png#/media/File:Methanethiol-3D-balls.png</ref>]]		[[File:640px-Methanethiol-3D-balls.png\|400px\|framed\|right\|Figure 1. A model of mercaptan. Here the yellow represents sulfur, the black represents carbon, and the white represents hydrogen.<ref>Wikimedia Commons. (June 15, 2015). ''Methanethiol'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Methanethiol-3D-balls.png#/media/File:Methanethiol-3D-balls.png</ref>]]

Jmdonev: 1 revision imported

2018-09-03T22:23:35Z

1 revision imported

← Older revision	Revision as of 22:23, 3 September 2018
(No difference)

energy>Jmdonev at 21:28, 12 August 2018

2018-08-12T21:28:23Z

← Older revision		Revision as of 21:28, 12 August 2018
Line 1:		Line 1:
	[[Category:Done ~~2015~~-07-01]]		[[Category:Done 2018-08-03]]
	[[File:640px-Methanethiol-3D-balls.png\|400px\|framed\|right\|Figure 1. A model of mercaptan. Here the yellow represents sulfur, the black represents carbon, and the white represents hydrogen.<ref>Wikimedia Commons. (June 15, 2015). ''Methanethiol'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Methanethiol-3D-balls.png#/media/File:Methanethiol-3D-balls.png</ref>]]		[[File:640px-Methanethiol-3D-balls.png\|400px\|framed\|right\|Figure 1. A model of mercaptan. Here the yellow represents sulfur, the black represents carbon, and the white represents hydrogen.<ref>Wikimedia Commons. (June 15, 2015). ''Methanethiol'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Methanethiol-3D-balls.png#/media/File:Methanethiol-3D-balls.png</ref>]]

	<onlyinclude>'''Mercaptan''', also known as '''methanethiol''' is a foul-smelling [[gas]] that is added to [[natural gas]] ~~- which~~ is colourless and odourless - as an [[odorant]] to make it easier to detect.</onlyinclude><ref name="RE2">Columbia Gas. (June 15, 2015). ''What is Mercaptan'' [Online]. Available: https://www.columbiagasohio.com/stay-safe/what-to-do-when-you-smell-gas/what-is-mercaptan-</ref> ~~Mercaptan~~ is added as a safety measure to ensure that natural gas leaks do not go undetected. It is an organic gas composed of [[carbon]], [[hydrogen]], and [[sulfur]]. Mercaptan is found naturally in living organisms, including the human body where it is a waste product of metabolism.		<onlyinclude>'''Mercaptan''', also known as '''methanethiol''' is a foul-smelling [[gas]] that is added to [[natural gas]]. Since natural gas is colourless and odourless, mercaptan acts as an [[odorant]] to make it easier to detect.</onlyinclude><ref name="RE2">Columbia Gas. (June 15, 2015). ''What is Mercaptan'' [Online]. Available: https://www.columbiagasohio.com/stay-safe/what-to-do-when-you-smell-gas/what-is-mercaptan-</ref> It is added as a safety measure to ensure that natural gas leaks do not go undetected. It is an organic gas composed of [[carbon]], [[hydrogen]], and [[sulfur]]. Mercaptan is found naturally in living organisms, including the human body where it is a [[pollution vs waste\|waste]] product of metabolism.

	Mercaptans bond strongly with [[mercury]] compounds, and most ~~have~~ strong odours ~~resembling~~ that of garlic or rotting cabbage.<ref name="RE1">Maria Mergel. (June 15, 2015). ''Mercaptans'' [Online]. Available: http://www.toxipedia.org/display/toxipedia/Mercaptans</ref> These compounds are detectable by the human nose at ~~concentrations~~ as small as only 10 parts per billion, making them ~~valuable as~~ an odourant.<ref name="RE2"/> Natural gas distributors began adding these mercaptans to natural gas after a deadly school explosion in 1937 at the New London School in New London, Texas. Currently, most gas odorants are mixtures of mercaptans and sulfides.<ref name="RE1"/>		Mercaptans bond strongly with [[mercury]] compounds, and most release strong odours that resemble garlic or rotting cabbage.<ref name="RE1">Maria Mergel. (June 15, 2015). ''Mercaptans'' [Online]. Available: http://www.toxipedia.org/display/toxipedia/Mercaptans</ref> These compounds are detectable by the human nose at [[concentration in parts per\|concentration]]s as small as only 10 [[parts per billion]], making them an effective odourant.<ref name="RE2"/> Natural gas distributors began adding these mercaptans to natural gas after a deadly school explosion in 1937 at the New London School in New London, Texas. Currently, most gas odorants are mixtures of mercaptans and sulfides.<ref name="RE1"/>

	Although many mercaptans have foul odours, there are exceptions. For example, "grapefruit mercaptan" is responsible for the characteristic scent of grapefruit.<ref name="RE1"/>		Although many mercaptans have foul odours, there are exceptions. For example, "grapefruit mercaptan" is responsible for the characteristic scent of grapefruit.<ref name="RE1"/>

			==For Further Reading==
			*[[Odorant]]
			*[[Natural gas]]
			*[[Mercury]]
			*[[Gas]]
			*[[Concentration in parts per]]
			*[[Pollution vs waste]]
			*Or explore a [[Special:Random\|random page]]

	==References==		==References==
	{{reflist}}		{{reflist}}
	[[Category:Uploaded]]		[[Category:Uploaded]]

J.williams: 1 revision imported

2015-08-26T21:31:21Z

1 revision imported

← Older revision	Revision as of 21:31, 26 August 2015
(No difference)

J.williams at 16:56, 12 August 2015

2015-08-12T16:56:53Z

New page

[[Category:Done 2015-07-01]]
[[File:640px-Methanethiol-3D-balls.png|400px|framed|right|Figure 1. A model of mercaptan. Here the yellow represents sulfur, the black represents carbon, and the white represents hydrogen.<ref>Wikimedia Commons. (June 15, 2015). ''Methanethiol'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Methanethiol-3D-balls.png#/media/File:Methanethiol-3D-balls.png</ref>]]

<onlyinclude>'''Mercaptan''', also known as '''methanethiol''' is a foul-smelling [[gas]] that is added to [[natural gas]] - which is colourless and odourless - as an [[odorant]] to make it easier to detect.</onlyinclude><ref name="RE2">Columbia Gas. (June 15, 2015). ''What is Mercaptan'' [Online]. Available: https://www.columbiagasohio.com/stay-safe/what-to-do-when-you-smell-gas/what-is-mercaptan-</ref> Mercaptan is added as a safety measure to ensure that natural gas leaks do not go undetected. It is an organic gas composed of [[carbon]], [[hydrogen]], and [[sulfur]]. Mercaptan is found naturally in living organisms, including the human body where it is a waste product of metabolism.

Mercaptans bond strongly with [[mercury]] compounds, and most have strong odours resembling that of garlic or rotting cabbage.<ref name="RE1">Maria Mergel. (June 15, 2015). ''Mercaptans'' [Online]. Available: http://www.toxipedia.org/display/toxipedia/Mercaptans</ref> These compounds are detectable by the human nose at concentrations as small as only 10 parts per billion, making them valuable as an odourant.<ref name="RE2"/> Natural gas distributors began adding these mercaptans to natural gas after a deadly school explosion in 1937 at the New London School in New London, Texas. Currently, most gas odorants are mixtures of mercaptans and sulfides.<ref name="RE1"/>

Although many mercaptans have foul odours, there are exceptions. For example, "grapefruit mercaptan" is responsible for the characteristic scent of grapefruit.<ref name="RE1"/>

==References==
{{reflist}}
[[Category:Uploaded]]