iodomethane


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iodomethane

[ī¦ō·də′meth‚ān]
(organic chemistry)
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The mercapto derivative 6 was further reacted with iodomethane in dry N,N-dimethylformamide (DMF), in the presence of anhydrous potassium carbonate to yield the methylthio analogue 7.
Methyl Iodide (Iodomethane): Risk Characterization Document for Inhalation Exposure, Vol.
The R-40 contained some contaminants of iodomethane and bromomethane.
In the presence of NaH and DMF, Isatoic anhydride was alkylated with alkyl halide such as iodomethane, iodoethane, iodoprpopane, 2-methoxy ethyl chloride to afford N-alkyl isatoic anhydride analogues.
Methyl iodide (CH3I, iodomethane, MeI) is a commercially available alternative to MeBr for fumigation (Ohr, Sims, Grech, Becker, & McGiffen, 1998) and is a registered pesticide in several countries around the world with fungicide, herbicide, insecticide, nematicide, and soil disinfectant properties similar to those of MeBr.
Iodomethane, anhydrous DMSO, 2,5-dihydroxybenzoic acid (DHB), sodium hydroxide, trifluoroacetic acid (TFA), and sodium acetate were purchased from Sigma-Aldrich.
The treatments-1,3-dichforopropene + chloropicrin (578 kg/ha shank injected), iodomethane + chloropicrin (515 kg/ha shank injected or 448 kg/ha drip applied) and propargyl bromide (221 kg/ha shank injected or 207 kg/ha drip applied)--controlled root-knot and citrus nematodes equal to methyl bromide (507 kg/ha shank injected) during an eight-year evaluation period.
Four more peaks are clearly identified, in ascending order: acetone, iodomethane, benzene, and tert-butylbenzene.
In an effort to avoid jumping from the frying pan into the fire, the EPA is conducting a soil fumigant cluster risk assessment for methyl bromide, chloropicrin, 1,3-D, metam sodium, dazomet, and iodomethane. The results are due to be published this year.
Results from tests they conducted in 2000 suggest that propargyl bromide or another contender, iodomethane, does as good a job--or nearly so--as methyl bromide plus chloropicrin in quelling some of a flower's worst soil-dwelling enemies.
To date, the most effective replacement for methyl bromide is a compound called iodomethane, under development by Tomen Agro.
Health and Safety Executive carries out numerous CBAs of controls on various substances, mainly relating to occupation exposure, including propylene oxide, PCB s, platinum soluble salts, o-toluidine, iodomethane, cotton dust, softwood dust, azodicarbonamide, antimony, triglycidylisocyanurate (TGIC), and wool process dust.