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Topics related to "Methyl"

methyl
methyl , CH 3 , organic free radical or alkyl group derived from methane by the removal of one hydrogen atom. ... Read more
methionine
methionine , organic compound, one of the 20 amino acids commonly found in animal proteins. Only the L-stereoisomer appears in mammalian protein. It is one of the several essential amino acids needed in the diet; the human body cannot synthesize it from simpler metabolites. It is an important sour... Read more
cresol
cresol , CH 3 C 6 H 4 OH, any one of three aromatic alcohols present in coal tar. The three compounds are structural isomers ; they may be thought of as hydroxy derivatives of toluene or as methyl derivatives of phenol . The names of the three compounds indicate which of the hydrogens on the ben... Read more
free radical
free 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., each of the atoms connec... Read more
methanol
methanol   methyl alcohol, or wood alcohol, CH 3 OH, a colorless, flammable liquid that is miscible with water in all proportions. Methanol is a monohydric alcohol . It melts at -97.8°C and boils at 67°C. It reacts with certain acids to form methyl esters. Methanol is a fatal po... Read more
radical
radical in chemistry, group of atoms that are joined together in some particular spatial structure and that take part in most chemical reactions as a single unit. Important inorganic radicals include ammonium, NH 4 ; carbonate, CO 3  ; chlorate, ClO 3 , and perchlorate, ClO 4  ; cyani... Read more
alanine
alanine , organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l -stereoisomer participates in the biosynthesis of proteins (see stereochemistry ). Its side chain is a nonpolar, hydrophobic methyl group. The low reactivity of the amino acid permits silk, a pr... Read more
isoprene
isoprene or 2-methyl-1,3-butadiene , colorless liquid organic compound. It is a hydrocarbon, and is insoluble in water but soluble in many organic solvents; it boils at 34°C. The isoprene molecule contains two double bonds. It is readily polymerized by the use of special catalysts; large num... Read more
ketone
ketone , any of a class of organic compounds that contain the carbonyl group , C[symbol]O, and in which the carbonyl group is bonded only to carbon atoms. The general formula for a ketone is RCOR′, where R and R′ are alkyl or aryl groups. The simplest ketone, where R and R′ are me... Read more
mercaptan
mercaptan or thiol , any of a class of organic compounds containing the group -SH bonded to a carbon atom. The volatile low-molecular-weight mercaptans have disagreeable odors. Mercaptans are found in crude petroleum, and methyl mercaptan is produced as a decay product of animal and vegetable ma... Read more

Encyclopedia entries related to "Methyl"

Methyl Group
Encyclopedia entry from: The Gale Encyclopedia of Science Methyl Group Methyl group is the name given to the portion of an organic molecule that is derived from methane by removal of a hydrogen atom (-CH 3 ). A methyl group can be abbreviated in chemical structures as -Me. The methyl...
methyl salicylate
Book article from: The Columbia Encyclopedia, Sixth Edition methyl salicylate , methyl ester of salicylic acid .
methyl alcohol
Book article from: The Columbia Encyclopedia, Sixth Edition methyl alcohol see methanol .
methyl
Book article from: The Columbia Encyclopedia, Sixth Edition methyl , CH 3 , organic free radical or alkyl group derived from methane by the removal of one hydrogen atom.
2-methyl- propanoic acid
Book article from: The Columbia Encyclopedia, Sixth Edition 2-methyl- propanoic acid IUPAC name for isobutyric acid (see butyric acid ).
2-methyl propane
Book article from: The Columbia Encyclopedia, Sixth Edition 2-methyl propane IUPAC name for isobutane (see butane ).
Receptor: NMDA (N-Methyl D-Aspartic Acid)
Encyclopedia entry from: Encyclopedia of Drugs, Alcohol, and Addictive Behavior RECEPTOR: NMDA (N-METHYL D-ASPARTIC ACID) The NMDA receptor is a protein on the surface of neurons (nerve cells). When the major excitatory Neurotransmitter...
Ester
Encyclopedia entry from: The Gale Encyclopedia of Science ...produced by hydrolysis. For example, methyl acetate, CH 3 -CO-OCH 3 , forms...connected to three hydrogen atoms (methyl group), – CH 3 , and a bond to an oxygen atom connected to a methyl group, – OCH 3 . Low molecular...
Caffeine
Encyclopedia entry from: Encyclopedia of Drugs, Alcohol, and Addictive Behavior ...caffeine, consist of the xanthine molecule with methyl groups attached. A methyl group consists of a carbon atom and three hydrogen...are differentiated by the number and location of methyl groups attached to the xanthine molecule. Caffeine...
Pentyl Group
Encyclopedia entry from: The Gale Encyclopedia of Science ...identified as a pentyl derivative that has a methyl group (-CH 3 ) branching from the end...a chain of three carbon atoms with two methyl groups attached to the end carbon atom...identified as the pentyl derivative that has a methyl group (-CH 3 ) branching from the end...

Dictionary entries related to "Methyl"

methyl
Book article from: The Concise Oxford Dictionary of English Etymology methyl XIX. — F. méthyle , G. methyl , back-formations from F. méthylène , G. methylen (whence methylene XIX), f. Gr. méthu wine, MEAD1 + húlē wood. Hence methylated pp. (see -ATE3 ).
methyl alcohol
Book article from: A Dictionary of Nursing methyl alcohol ( methanol ) ( mee -thyl) n. wood alcohol: an alcohol that is...than ethyl alcohol and forms poisonous products. As little as 10 ml of pure methyl alcohol can produce permanent blindness, and 100 ml is likely to be fatal...
methyl salicylate
Book article from: A Dictionary of Nursing methyl salicylate n. oil of wintergreen: a liquid with counterirritant and analgesic properties, included in preparations applied to the skin to relieve pain in lumbago, sciatica, and rheumatic conditions.
methyl cellulose
Book article from: A Dictionary of Food and Nutrition methyl cellulose See cellulose .
3‐methyl‐histidine
Book article from: A Dictionary of Food and Nutrition 3‐methyl‐histidine Derivative of the amino acid, histidine , found mainly in the contractile proteins of muscle (myosin and...
aspartyl‐phenylalanine methyl ester
Book article from: A Dictionary of Food and Nutrition aspartyl‐phenylalanine methyl ester See aspartame .
Ozone Depletion
Dictionary entry from: Dictionary of American History ...the almost total elimination of CFCs, methyl chloroform, and carbon tetrachloride...have been fighting efforts to cut use of methyl bromides, claiming that scientists exaggerate...phaseout. Without major cuts in CFC and methyl bromide emissions, continuing thinning...
Cahours, Auguste André Thomas
Dictionary entry from: Complete Dictionary of Scientific Biography ...Eug é ne P é ligot ’ s research on methyl alcohol (1839). He next used the research of Regnault and...procumbens , known to have the same composition and properties as methyl salicylate; Cahours demonstrated by synthesis that it was the...
biofuel
Book article from: A Dictionary of Biology ...example of a biofuel is rapeseed oil, which can be used in place of diesel fuel in modified engines. The methyl ester of this oil, rapeseed methyl ester ( RME ), can be used in unmodified diesel engines and is sometimes known as biodiesel . Other...
organomercury compounds
Book article from: A Dictionary of Ecology ...carbon and hydrogen (e.g. a phenyl group, C 6 H 5 , or methyl group, CH 3 ) that are used as seed dressings, and sometimes...but birds have been harmed by ingesting seed dressed with methyl-mercury compounds. Phenylmercury compounds are of low toxicity...

Related newspaper, magazine, and trade journal articles from HighBeam Research

METHYL BROMIDE PHASE-OUT:WALLY HERGER
Transcript from: Congressional Testimony; 6/10/1998; 700+ words ; ...Committee 1p.m. June 10, 1998 Hearing on Methyl Bromide 1300 LHOB Mr. Chairman, Members of...to testify today regarding the phase out of methyl bromide. The continued availability of methyl bromide is critically important to the continued...
Methyl Methacrylate World Market Outlook 2009 Covers Recent Year Price Data and Features Regional Trade Statistics.
M2 Presswire; 8/26/2009; 665 words ; ...26 August 2009-Research and Markets: Methyl Methacrylate World Market Outlook 2009 Covers...researchandmarkets.com/research/e1dfaa/methyl_methacrylat) has announced the addition of the "Methyl methacrylate World Market Outlook 2009...
METHYL BROMIDE PHASE-OUT:AMERICAN FARM BUREAU FEDERATION
Transcript from: Congressional Testimony; 6/10/1998; 700+ words ; ...COMMITTEE REGARDING H.R. 2609, THE METHYL BROMIDE USE ACT OF 1998 June 10, 1998...supports passage of H.R. 2609, the Methyl Bromide Use Act of 1998, for the very...it extends to U.S. growers the same methyl bromide phase-out restrictions that...
METHYL BROMIDE UNDER THE CLEAN AIR ACT AND THE MONTREAL:MR. RICH SIEMER PROTOCOL.
Transcript from: Congressional Testimony; 6/3/2003; 700+ words ; ...action to extend the use beyond 2004 of methyl bromide as a food safety and sanitation...three reasons for this extension: 1) Methyl bromide is easily the most cost-effective...pests; 2) Food and agricultural uses of methyl bromide are not a critical environmental...
METHYL BROMIDE PHASE-OUT:R. RODRIGUEZ-KABANA
Transcript from: Congressional Testimony; 6/10/1998; 700+ words ; 00-00-0000 R Rodriguez-Kabana Methyl Bromide Phase Out Testimony on the Phase-out of Methyl Bromide by R. Rodriguez-Kabana to The Subcommittee...allowing me to present information on the methyl bromide phase out. I am Rodrigo Rodriguez...
Methyl pyridine market. (Market Report).(Brief Article)
Magazine article from: China Chemical Reporter; 10/6/2002; 668 words ; Methyl pyridine includes 3 varieties of 2-methyl pyridine, 3-methyl pyridine and 4-methyl pyridine. It is mainly used in the synthesis of intermediates for various fine chemicals such as pesticides, pharmaceuticals and rubber assistants...
Diet, methyl donors and DNA methylation: Interactions between dietary folate, methionine and choline
Magazine article from: The Journal of Nutrition; 8/1/2002; ; 700+ words ; Diet, Methyl Donors and DNA Methylation: Interactions between Dietary...of some genes and depends upon the availability of methyl groups from S-adenosylmethionine (SAM). Dietary methyl groups derive from foods that contain methionine...
METHYL BROMIDE PHASE-OUT:WILLIAM B. MCLAUGHLIN, III
Transcript from: Congressional Testimony; 6/10/1998; 700+ words ; ...this hearing today. The phase out of methyl bromide is an issue that I believe has...understanding about the impact the ban of methyl bromide will have on the United States...hope to shed light on the importance of methyl bromide as it pertains to international...
METHYL BROMIDE PHASE-OUT:DAVID RIGGS
Transcript from: Congressional Testimony; 6/10/1998; 700+ words ; ...HOUSE AGRICULTURE COMMITTEE HEARING ON METHYL BROMIDE STATEMENT OF THE CROP PROTECTION...HOUSE AGRICULTURE COMMITTEE HEARING ON METHYL BROMIDE STATEMENT OF THE CROP PROTECTION...of an important crop protection tool - methyl bromide. Our message is simple. The...
METHYL BROMIDE ANDCLEAN ACT UPDATE:PAUL WENGER
Transcript from: Congressional Testimony; 7/21/2004; 700+ words ; ...members across the nation who depend on methyl bromide, I thank you for the opportunity...process under the Montreal Protocol. Methyl bromide is an indispensable pest control...you are aware, non-critical use of methyl bromide in this country will be phased...