methyl


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Related to methyl: methyl acetate, methyl ethyl ketone, methyl salicylate, methyl orange, Methyl B12, Methyl paraben

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 ?
com/research/3blhbw/global_methyl) has announced the addition of the "Global Methyl Acrylate Market by Application (Surface Coatings, Adhesives & Sealants, Plastic Additives, Detergents, Textile, Others), by Geography - Analysis and Forecast to 2019" report to their offering.
Other restrictions on methyl bromide use include seasonal bans to cut air pollution, and the requirement of buffer zones to protect people's health.
Using a database of 89 genes from plants, fungi, and bacteria known to produce methyl halides, the researchers identified genes that were the most likely to produce the highest levels of these substances.
To provide human exposure data in support of NTP's assessment of methyl eugenol, the Centers for Disease Control and Prevention (CDC) measured methyl eugenol in a non-representative subset of adult serum samples collected as a part of the Third National Health and Nutrition Examination Survey (NHANES III, 1988-1994) (CDC 2004).
Administering drugs that put on or knock off methyl groups changed the glueocorticoid- receptor gene's methylation status in adulthood and, therefore, how much stress the animals experienced.
Juge Gregg of the Environmental Investigation Agency says, "The California Strawberry Commission has known for 13 years that the industry needs to stop using methyl bromide, yet the Commission has relied on Washington lobbying to keep the methyl bromide flowing.
If the group on polypropylene were a chlorine atom rather than a methyl group, the polymer would be polyvinylchloride.
We only know where half of the methyl chloride and two-thirds of the methyl bromide are coming from.
To date, the most effective replacement for methyl bromide is a compound called iodomethane, under development by Tomen Agro.
Scientists at 20 laboratories around the country are racing against the formidable deadlines of the methyl bromide phaseout.
After testing three binder systems, ICC determined that a methyl ester-based system best met its criteria and made a change-over to the new system, developed by Huttens-Albertus, and manufactured by Delta-HA, Detroit.
Margaret Reeves of Pesticide Action Network said an overall drop in pesticide usage countywide can be attributed to the mandated gradual phase-out of methyl bromide, a gaseous fumigant that kills nematodes and harmful organisms in the topsoil.