methyl


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methyl

(mĕth`əl), CH3, organic free radicalfree radical,
in chemistry, a molecule or atom that contains an unpaired electron but is neither positively nor negatively charged. Free radicals are usually highly reactive and unstable. They are produced by homolytic cleavage of a covalent bond (see chemical bond); i.e.
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 or alkyl groupalkyl group
, in chemistry, group of carbon and hydrogen atoms derived from an alkane molecule by removing one hydrogen atom (see radical). The name of the alkyl group is derived from the name of its alkane by replacing the -ane suffix with -yl, e.g.
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 derived from methanemethane
, CH4, colorless, odorless, gaseous saturated hydrocarbon; the simplest alkane. It is less dense than air, melts at −184°C;, and boils at −161.4°C;. It is combustible and can form explosive mixtures with air.
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 by the removal of one hydrogen atom.

methyl

[′meth·əl]
(organic chemistry)
The alkyl group derived from methane and usually written CH3‒. Also known as carbinyl.

methyl

1. of, consisting of, or containing the monovalent group of atoms CH3
2. an organometallic compound in which methyl groups are bound directly to a metal atom
References in periodicals archive ?
Methyl viologen - N, N'-dimethyl-4, 4'- bipyridinium dichloride (MV2+Cl2, the dication notated as MV2+) and its reduced species methyl viologen cation radical MV+* have been extensively studied [1-24].
Chemist Aijun Zhang, with the Agricultural Research Service Invasive Insect Biocontrol and Behavior Laboratory in Beltsville, Maryland, has found a new use for methyl benzoate, namely as an environmentally friendly control for agricultural pests like the spotted wing drosophila fly (SWD), an invasive species from Asia.
Key Words: Rice Husk Ash Polymer Modified Concrete, Methyl Cellulose, Re-dispersible Polymer Powder, Tensile Strength, Compressive Strength, Mechanical Properties.
Survey results showed that public opposition to methyl iodide, along with the continued availability of methyl bromide, were factors in strawberry growers' decision not to use the preplant fumigant in their fields.
Detailed information of all active plants and planned Methyl Tertiary Butyl Ether (MTBE) projects in Taiwan with capacity forecasts to 2019 and additional details such as process, technology, operator and equity
Detailed information of all active plants and planned Methyl Tertiary Butyl Ether (MTBE) projects in Saudi Arabia with capacity forecasts to 2019 and additional details such as process, technology, operator and equity
Study design: The effect of the methyl syringate on suppression of hypoxia-induced COX-2 in A549 cells were determined by Western blot and/or quantitative real-time polymerase chain reaction.
The company said Amooranin is its lead pharmaceutical product and now plans to seek approval for the use of methyl amooranin in the prevention of breast cancer.
All four patients underwent two hemodialysis procedures when methyl bromide toxicity became the leading diagnostic consideration.
Animal studies of methyl bromide exposure suggest the potential for developmental toxicity (National Research Council 2000).
The mixture's first component contains a-sulfofatty acid methyl esters derived from a natural fat or oil, while the second component is comprised of a-sulfofatty acid methyl esters comprising predominantly C16, C18, or C16 and C18 chain lengths.