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Topic: Methyl formate

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	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal
		Methyl formate, also called methyl methanoate, is the methyl ester of formic acid.
		Industrial methyl formate, however, is usually produced by the combination of methanol and carbon monoxide in the presence of a strong base:
		Methyl formate is used primarily to manufacture formamide, dimethylformamide, and formic acid.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=methyl_formate (0 words)

	METHYL FORMATE (METHYL METHANOATE)
		Commercial methyl formate is produced from methanol with carbon monoxide in the presence of strong base.
		The predominant use of methyl formate is in the preparation of formamide and dimethylformamide.
		Methyl formate is used as the raw material of formic acid which find application as a chemical intermediate and solvent, in processing textiles, leathers, electroplating, in coagulating latex rubber, and as a disinfectant.
	www.chemicalland21.com /arokorhi/industrialchem/organic/METHYL%20FORMATE.htm (403 words)

	Purification process for silane compound - Patent 5804040
		These indicate the methyl formate ratio which is increased from 0% stepwise through 5, 10, 20, 30, 40 and 50% to 80% by mole along the direction of the arrow shown in the graph.
		In order that the formation of an azeotropic mixture of dimethoxymethylsilane and methanol is avoided, the amount of methyl formate in the liquid phase throughout the distillation column is preferably not less than 20% by mole, more preferably not less than 30% by mole and most preferably not less than 40% by mole.
		Thus, the balance fraction comprising methyl formate and dimethoxymethylsilane from the extractive distillation (usually, discharged from the distillation as a bottom fraction during a continuous mode) may be subjected to a conventional distillation and it is easily separated into methyl formate and dimethoxymethylsilane.
	freepatentsonline.com /5804040.html (3158 words)

	Methyl Formate Vapor Monitor / Monitoring Badge - EMT
		EMT's Methyl Formate Monitoring Kit includes one vapor monitor / monitoring badge, detailed instructions, a monitoring information form, and a shipping label.
		They are designed to provide you with the ability to check exposure levels to Methyl Formate.
		OSHA Permissible exposure limit (PEL) for methyl formate is 100 ppm, 250 mg/m3
	www.emt-online.com /ProductPages/MethylFormate.htm (159 words)

	Methanol carbonylation to methyl formate
		Methyl formate is a versatile intermediate for the production of important C
		The liquid phase methanol carbonylation to methyl formate has been investigated by Snamprogetti with homogeneous sodium methoxides and heterogeneous strongly basic resins.
		"Methanol carbonylation to methyl formate catalyzed by strongly basic resins" Catalysis letters 38 (1996) 127-131.
	www.amberlyst.com /methanol.htm (0 words)

	Process for homogeneous hydrogenation of esters - Patent 4232170
		The bond formation between the metal atom and the ortho carbon on the phenyl ring displaces the ortho hydrogen atom which then attaches to the metal atom thus forming a dihydride as indicated by the horizontal bracket on the above-described formula.
		Formates which are applicable in this process are alkyl formates, wherein the alkyl radical therein being C.sub.1 -C.sub.18 linear or branchedalkyl wherein said alkyl radical can also be substituted with groups inert under the reaction conditions such as C.sub.1 -C.sub.4 linear or branched alkyl or C.sub.1 -C.sub.4 linear or branched alkoxy.
		Methyl formate under similar conditions was decarbonylated in a conversion of about 90%.
	www.freepatentsonline.com /4232170.html (4932 words)

	Infotrieve Online
		Treatment of 1 with a stoichiometric amount of formanilide in CH3CN for 48 h at 45 degrees C results in decomposition of the zinc hydroxide complex to yield the free bmnpa ligand and an inorganic solid, presumably a zinc hydroxide or oxide species.
		While aniline is produced stoichiometrically, the yield of d3-methyl formate varied from 30 to 50%, and the yield of 2 varied from 50 to 70% in repetitive experiments.
		Formation of both d3-methyl formate and 2 indicates that both methanolysis and hydrolysis reactions take place.
	www4.infotrieve.com /newmedline/detail.asp?NameID=16676971&Session=&searchQuery=Logan&count=6262 (309 words)

	CHEMINFO: Methyl formate
		There is limited information that methyl formate may be absorbed through the skin.(1,4) It is not known if health effects would result from this route of exposure.
		The liquid is expected to cause moderate to severe irritation, based on comparison to a closely related chemical, ethyl formate, and the fact that methyl formate reacts slowly with water to form corrosive formic acid (1).
		Anhydrous methyl formate is not corrosive to iron, steel, stainless steel, aluminum, copper and nickel and their alloys, and lead.
	www.intox.org /databank/documents/chemical/methform/cie595.htm (2317 words)

	To Grow, Stars and Planets Need Space Dust . . . And Formaldehyde?
		Based on telescope data, if the gaseous methyl formate condensed into liquid form, a typical dust cloud would contain a thousand trillion trillion gallons of the chemical.
		While scientists have long known that hydrogen is the most common chemical element in the universe, just 10 years ago Herbst -- a professor of physics, chemistry, and astronomy -- and his colleagues discovered that there were also large quantities of alcohol in dust clouds in space.
		Herbst and Ohio State postdoctoral researcher Helen Roberts used that data to construct a new model of how such reactions happen in space, and then used the model to predict how much methyl formate would be found in the typical interstellar dust cloud.
	researchnews.osu.edu /archive/spacedus.htm (704 words)

	FR Doc 03-22449
		Methyl formate causes irritation to the eyes, [[Page 52374]] skin, and lungs, and at high levels may cause pulmonary damage.
		The reactivity of methyl acetate was found to be comparable to or less than that for ethane both under a per gram basis and under a per mole basis.
		This evidence, which is desirable when rate constant values are so close (as in the case of methyl formate and ethane), increases the confidence level with which EPA can make a final decision on whether to approve or disapprove of a petition to exempt a compound from the VOC definition.
	a257.g.akamaitech.net /7/257/2422/14mar20010800/edocket.access.gpo.gov/2003/03-22449.htm (4918 words)

	DuPont Methylamines: Uses
		It is replacing methyl bromide as a soil fumigant, due to concerns of methyl bromide being a possible ozone depleter.
		MMA is also phosgenated to make methyl isocyanate, which is used to make carbaryl, aldicarb, and trimethocarb.
		DMF is made from the reaction of DMA and carbon monoxide or methyl formate.
	www.dupont.com /methylamines/uses.html (0 words)

	Scientists Discover Sugar in Space
		An isomer is one of two or more chemical substances having the same atomic composition and molecular weight but differing in geometry (structure), and, therefore, chemical properties.
		Glycolaldehyde, Methyl Formate, and Acetic Acid represent the first isomer triplet found in interstellar clouds.
		Methyl formate was discovered in 1975 and is the most abundant species of these isomers, Acetic Acid was discovered in 1997 and is the least abundant species, and Glycolaldehyde, the simplest sugar, was discovered in May 2000 at the NRAO 12 Meter telescope at Kitt Peak, Arizona.
	www.nrao.edu /pr/2000/sugar/graphics (185 words)

	Chemical & Engineering News
		Chloromyl has been limited to existence as a laboratory curiosity for 40 years, though, because the preparation was a messy chlorination of methyl formate with phosphorus pentachloride.
		Using Chloromyl, phenylacetic and adipic acids are converted to their acid chlorides with volatilization of hydrogen chloride and methyl formate (bp 32 °C).
		The methyl tail of the propionic acid becomes a therapeutically efficacious methyl substituent on that second ring.
	pubs.acs.org /hotartcl/cenear/960715/page.html (0 words)

	Patent 7,169,590 (Site not responding. Last check: )
		As the formates, there may be mentioned, for example, methyl formate, ethyl formate, propyl formate, isopropyl formate, butyl formate, isobutyl formate, sec-butyl formate, pentyl formate, etc. Preferred are methyl formate, ethyl formate, propyl formate, butyl formate, isobutyl formate and pentyl formate, and most preferred is ethyl formate.
		Preferred are diethyl ether, methyl tert-butyl ether, dipropyl ether, diisopropyl ether, dibutyl ether, dihexyl ether, anisol, phenetole, butyl phenyl ether, methoxytoluene, dioxane, 2-methylfuran, tetrahydrofuran, tetrahydropyran, ethylene glycol dimethyl ether, ethylene glycol diethyl ether, ethylene glycol dibutyl ether, ethylene glycol monomethyl ether and ethylene glycol monoethyl ether.
		As specific examples, there maybe mentioned, for example, acetone, methyl ethyl ketone, methyl butyl ketone, methyl isobutyl ketone, etc. Preferred are acetone and methyl ethyl ketone, and most preferred is acetone.
	www.pharmcast.com /Patents100/Yr2007/Jan2007/013007/7169590_Coenzyme013007.htm (5371 words)

	Transactions of the Faraday Society articles (Site not responding. Last check: )
		Methyl and trifluoromethyl radical reactions with methyl fluoroformate and methyl trifluoroacetate : fluorine substituent effects
		The influence of fluorinated substituents on the reactivity of methoxyl groups in methyl formate and methyl acetate has been studied.
		Rate constants and Arrhenius parameters for hydrogen atom abstraction by CH and CF radicals from methyl fluoroformate and methyl trifluoroacetate are [graphic omitted] In general, fluorinated acyl substituents activate methoxyl sites to both CH and CF radical attack.
	www.rsc.org /Publishing/Journals/TF/article.asp?doi=TF9716700754 (124 words)

	BDSP - Base documentaire - Visualisation de la notice
		Urinary methanol and formic acid as indicators of occupational exposure to methyl formate.
		Objective : To evaluate the validity of methanol (MeOH) and formic acid (FA) in urine as biological indicators of methyl formate (MF) exposure in experimental and field situations.
		Methyl formate vapour collected on charcoal tube was analysed by gas chromatography.
	www.bdsp.tm.fr /Base/Scripts/ShowA.bs?bqRef=218538 (280 words)

	ScienceDaily: To Grow, Stars And Planets Need Space Dust . . . And Formaldehyde?
		On Earth, methyl formate is commonly used as an insecticide.
		The presence of methyl formate suggests that other molecules may play a more prominent role in star and planet formation than scientists ever suspected.
		The spectra showed that the average ratio of hydrogen molecules to molecules of methyl formate was a billion to one.
	www.sciencedaily.com /releases/2004/07/040701085621.htm (0 words)

	Interstellar Chemistry Special Feature: Interferometric observations of large biologically interesting interstellar and ...
		formate, and acetic acid has been observed, but not explained.
		of the formation of interstellar molecules in gas-phase reactions.
		ether, ethyl formate, butyl cyanide, and propyl cyanide.
	www.pnas.org /cgi/content/full/103/33/12243 (0 words)

	FR Doc 04-26070
		Also submitted were journal articles detailing three separate studies with hydroxyl radicals in which methyl formate's rate constants are measured against that of ethane on a mole basis (cm3/molecule/sec).
		This evidence, which is desirable when rate constant values are so close (as in the case of methyl formate and ethane), increases the confidence level with which EPA can [[Page 69294]] make a final decision on whether to approve or disapprove of a petition to exempt a compound from the VOC definition.
		Three of the compounds, 1,1,1,2,2,3,3-heptafluoro-3-methoxy- propane, 1,1,1,2,3,3,3-heptafluoropropane, and methyl formate are already approved by the SNAP program as acceptable substitutes for ozone-depleting compounds.
	a257.g.akamaitech.net /7/257/2422/06jun20041800/edocket.access.gpo.gov/2004/04-26070.htm (6385 words)

	Formic acid Summary
		The sodium formate is then carefully treated with sulfuric acid at low temperatures and distilled in a vacuum to yield formic acid.
		A chemical compound such as a salt from the neutralization of formic acid with a base, or an ester derived from formic acid, is referred to as formate (or methanoate).
		When methanol and carbon monoxide are combined in the presence of a strong base, the formic acid derivative methyl formate results, according to the chemical equation
	www.bookrags.com /Formic_acid (1794 words)

	Thermoplastic foams made with methyl formate-based blowing agents patent invention
		The alkenyl aromatic polymer foam structure of claim 1, wherein the blowing agent blend comprises from about 20 mol % to about 80 mol % methyl formate.
		The alkenyl aromatic polymer foam structure of claim 3, wherein the blowing agent blend comprises from about 30% to about 50% methyl formate and from about 70% to about 50% HCFC 142b.
		The process of claim 14, wherein the blowing agent blend comprises from about 30% to about 50% methyl formate and from about 70% to about 50% HCFC 142b.
	www.freshpatents.com /Thermoplastic-foams-made-with-methyl-formate-based-blowing-agents-dt20060309ptan20060052465.php?type=claims (713 words)

	Kinetics: Hydrolysis of Methyl Formate
		Using a hotplate stirrer and a contact thermometer the aqueous methanol solution is warmed up in the water bath to the desired temperature (45 or 55°C).
		The initial concentration of methyl formate is 1.275 M. After the import of the data measured into Excel the conductivity values are converted (Tab.
		Note: In dilute aqueous solution, water is present in such excess that its concentration remains unchanged during the reaction, and if the experiment is carried in a solution of a strong acid catalyst, the formation of carbonic acid will not effectively change the concentration of hydronium ions.
	www.uni-r.de /Fakultaeten/nat_Fak_IV/Organische_Chemie/Didaktik/Keusch/chembox_am_ion-e.htm (745 words)

	BDSP - Base documentaire - Visualisation de la notice
		Toxicokinetic modelling of methyl formate exposure and implications for biological monitoring.
		A toxicokinetic (TK) model was developed to describe the inhalation exposure in humans to methyl formate (MF), a catalyst used in foundries, and to discuss biological monitoring.
		The TK model consisted of four compartments : MF, the metabolites - methanol (MeOH) and formic acid (FA) - and, in addition, a urinary compartment describing the saturable reabsorption of FA.
	www.bdsp.tm.fr /Base/Scripts/ShowA.bs?bqRef=219004 (304 words)

	Formate - Information from Reference.com (Site not responding. Last check: )
		Format your computer hard drive Quickly and easily with WipeDrive!
		Formate or methanoate is the ion HCOO− (formic acid minus
		The format of the UNI cell header is shown in Figure C-1.
	www.reference.com /search?q=Formate&db=web (220 words)

	iantorrie's Home — Welcome to Chemweb (Site not responding. Last check: )
		Except alcohols, the catalyst produced a significant amount of hydrocarbons and CO The formation of alcohols and hydrocarbons follows the Anderson–Schulz–Flory distribution.
		Kinetics of the dehydrogenation of methanol to methyl formate (MF) have been determined for a commercial copper-chromite catalyst and for a skeletal copper catalyst that has undergone deactivation to a steady-state activity.
		The reaction order with respect to methanol was found to be approximately 0.5 for both catalysts whilst hydrogen and methyl formate both inhibited the reaction significantly.
	www.chemweb.com /Members/iantorrie/journals?type=issue&jid=02552701&iid=00440003 (892 words)

	Preparation of N-methylformamide - [www.rhodium.ws] (Site not responding. Last check: )
		The methyl amides were caused to separate by the addition of solid caustic potash to the mixture.
		Acetamide and its sodium salt were methylated, yields 50-60%.
		To this solution of sodium methoxide, first 3.7 mL (60 mmol) of methyl formate was added and then 4.00 g (59 mmol) of methylammonium chloride under cooling with and ice bath.
	www.erowid.org /archive/rhodium/chemistry/n-methylformamide.html (323 words)

	Get FREE free of methyl formate Information using Electrosurf Results for free of methyl formate
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		combined in the presence of a strong base, the formic acid derivative methyl formate results, according to the chemical equation CH3OH CO...
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	www.electrosurf.co.uk /get.php?qry=free+of+methyl+formate (438 words)

	Methanol carbonylation to methyl formate (Site not responding. Last check: )
		Methyl formate is a versatile intermediate for the production of important C
		For sampling, pricing, availability or more information please contact your Rohm and Haas representative.
		"Methanol carbonylation to methyl formate catalyzed by strongly basic resins" Catalysis letters 38 (1996) 127-131.
	www.rohmhaas.com /ionexchange/IP/methanol.htm (106 words)

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