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Butane-1-thiol, also known as butyl mercaptan, is a volatile, clear to yellowish liquid with a fetid (extremely foul-smelling) odor, commonly described as "skunk" odor.In fact, 1-butanethiol is structurally similar to several major constituents of a skunk's defensive spray but is not actually present in the spray. [4]
tert-Butylthiol is the main ingredient in many gas odorant blends. [citation needed] It is always utilized as a blend of other compounds, typically dimethyl sulfide, methyl ethyl sulfide, tetrahydrothiophene or other mercaptans such as isopropyl mercaptan, sec-butyl mercaptan and/or n-butyl mercaptan, due to its rather high melting point of −0.5 °C (31.1 °F).
A human olfactory receptor, OR2T11, has been identified which, in the presence of copper, is highly responsive to the gas odorants (see below) ethanethiol and t-butyl mercaptan as well as other low molecular weight thiols, including allyl mercaptan found in human garlic breath, and the strong-smelling cyclic sulfide thietane. [19]
Butyl mercaptan may refer to: Butanethiol (n-butyl mercaptan) tert-Butylthiol (t-butyl mercaptan) This page was last edited on 4 May 2018, at ...
If it connects at one of the two terminal carbon atoms, it is normal butyl or n-butyl: −CH 2 −CH 2 −CH 2 −CH 3 (preferred IUPAC name: butyl) If it connects at one of the non-terminal (internal) carbon atoms, it is secondary butyl or sec-butyl: −CH(CH 3)−CH 2 −CH 3 (preferred IUPAC name: butan-2-yl)
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Butanethiol (n-butyl mercaptan), a volatile, clear to yellowish liquid with a fetid odor tert -Butylthiol ( t -butyl mercaptan), an organosulfur thiol is used as an odorant for natural gas Diethyl sulfide , an organosulfur thioether colorless, malodorous liquid