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Topic: Dimethylamine

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	Reference.com/Encyclopedia/Dimethylamine
		Dimethylamine is a base and the pKa of the ammonium salt CH is 10.73, a value intermediate between methylamine (10.64) and trimethylamine (9.79).
		Dimethylamine hydrochloride is an odorless white solid with a melting point of 171.5 °C. Dimethylamine is produced by catalytic reaction of methanol and ammonia at elevated temperatures and high pressure.
		Dimethylamine is used as dehairing agent in tanning, in dyes, in rubber accelerators, in soaps and cleaning compounds and as an agricultural fungicide.
	www.reference.com /browse/wiki/Dimethylamine (0 words)

	Dimethylamine
		Animals of several species were exposed to approximately 100 to 200 pm of dimethylamine for 18 to 20 weeks and developed marked irritation of the respiratory tract and pulmonary edema and also sustained injury to the liver.
		Before a worker is placed in a job with a potential for exposure to dimethylamine, a licensed health care professional should evaluate and document the worker's baseline health status with thorough medical, environmental, and occupational histories, a physical examination, and physiologic and laboratory tests appropriate for the anticipated occupational risks.
		Dimethylamine is not subject to EPA emergency planning requirements under the Superfund Amendments and Reauthorization Act (SARA) (Title III) in 42 USC 11022.
	www.osha.gov /SLTC/healthguidelines/dimethylamine/recognition.html (0 words)

	DuPont Methylamines: Uses
		Dimethylamine and benzyl chloride are used to make benzyldimethylamine, which can be used as an accelerator for epoxy resins in laminates for electrical equipment.
		Dimethylammonium dimethylcarbamate, made from the reaction of dimethylamine and carbon dioxide, is used to remove sulfur compounds, olefins, and aromatic hydrocarbons from raw oil.
		Dimethylamine is used as a raw material to produce agents that remove suspended solids for water clarification in industrial and municipal raw, potable, and wastewater treatment plants.
	www.dupont.com /methylamines/uses.html (0 words)

	07/09/1993 - Dimethylamine and Anhydrous Dimethlamine and the PSM standard.
		Dimethylamine in aqueous solutions are not listed specifically in Appendix A. Anhydrous Dimethylamine, identified by Chemical Abstract Service (CAS) Number 124-40-3, which is listed in Appendix A, is not only a toxic and reactive HHC but also a flammable gas.
		Since Anhydrous Dimethylamine is a flammable gas which is soluble in water, some Dimethylamine in aqueous solutions may also be flammable.
		Dimethylamine in aqueous solutions, which is not listed in Appendix A, is not considered to be a highly hazardous chemical covered by the PSM standard.
	www.osha.gov /pls/oshaweb/owadisp.show_document?p_table=INTERPRETATIONS&p_id=21198 (0 words)

	Spectrum Laboratories : Chemical Fact Sheet - Cas # 124403
		When labeled dimethylamine and nonlabeled nitrile were administered, nitrile reacted with secondary amines, followed by enzymic alpha-hydroxylation and decomposition of the ensuing alkyldiazohydroxide to molecular N and an alkyl cation as ultimate carcinogen.
		The latter is formed in the atmosphere in the presence of nitrogen oxides and in lake water, sewage, and soil in the presence of nitrite ions.
		When 250 ppm dimethylamine was added to a fine sand loam and sandy soil amended with sewage and nitrite-N, 50% degradation occurred in 2 days in the sand loam, while 20% degradation occurred in the sandy soil(4).
	www.speclab.com /compound/c124403.htm (5136 words)

	Safely Use Dimethylamine (C2H7N) with Powell Emergency Gas Shut Off Valve Closure Systems
		Dimethylamine is a colorless, flammable gas with a strong ammonia/fish-like odor.
		Dimethylamine can cause skin irritation and burns, irritation of the nose and throat, fluid build up in the lungs, and can severly irritate and burn the eyes with possibility of permanent damage (blindness).
		Repetitive exposure to Dimethylamine can cause damage to the liver.
	www.powellfab.com /products/Valve_Closure/gases/dimethylamine.asp (0 words)

	NTP: ChemIDPlus/HSDB 124-40-3 Toxicity
		Dimethylamine is normally present in the stomach and urine of animals and humans.
		The resulting dimethylamine is readily absorbed primarily from the small intestine, and to a much lesser extent, the stomach, and excreted in the urine.
		Dimethylamine (CAS# 124-40-3) was tested for chronic toxicity in male and female F-344 rats (95/sex/group) exposed by inhalation to 0, 10, 50, or 175 ppm 6 hours/day, 5 days/week for 24 months.
	ntp.niehs.nih.gov /index.cfm?objectid=E87D03FA-BDB5-82F8-FD94F33384B9AD52 (2750 words)

	World J Gastroenterol
		Precancerous lesions in the glandular stomach of Wistar rats induced with dimethylamine hydrochloride and sodium nitrite
		METHODS:Both dimethylamine hydrochloride and sodium nitrite were administered to male Wistar rats at a concentration of 0.06% in the drinking water ad libitum for 56 weeks, and the rats were killed subsequently.
		CONCLUSION:Both dimethylamine hydrochloride and sodium nitrite can induce the precancerous lesions of glandular stomach in Wistar rats and may be one of the pathogenic factors of gastric cancer.
	www.wjgnet.com /1007-9327/abstract_en.asp?f=209&v=2 (231 words)

	ThermoML Data file
		The surface tensions and densities of aqueous solutions of dimethylamine, (CH3)2NH, and sulfuric acid, H2SO4, were measured at 24.2 C. Mol fractions of dimethylamine were varied between 0 and 0.21 and of sulfuric acid between 0 and 0.48.
		The surface tension of the binary dimethylamine + water solution decreased exponentially as dimethylamine was added, from the surface tension of water (72 mN.m-1 at 25 C) to the value of 34 mN.m-1 at the maximum dimethylamine mol fraction of 0.21.
		When the mol fraction of dimethylamine was more than double the mol fraction of sulfuric acid, the surface tension of the solution started to approach that of water + dimethylamine.
	www.boulder.nist.gov /div838/trc/ThermoML/jced/je034225b.html (176 words)

	Dimethylamine - (CH3)2NH - has been used as a dehairing agent in tanning; as an acid gas absorbent; indyes; as a ...
		Dimethylamine - (CH3)2NH - has been used as a dehairing agent in tanning; as an acid gas absorbent; indyes; as a floatation agent; as a gasoline stabilizer; in pharmaceuticals; in rubber accelerators; in soaps and cleaning compounds and as an agriculturia
		A colorless, liquefied and flammable gas with a ammonia and fish- like odor.
		Uses: Dimethylamine has been used as a dehairing agent in tanning; as an acid gs absorbent; in dyes; as a floatation agent; as a gasoline stabilizer; in pharmaceuticals; in rubber accelerators; in soaps and cleaning compounds and as an agriculturial fungicide.
	www.c-f-c.com /specgas_products/dimethylamine.htm (0 words)

	FR Doc E7-3322
		Dimethylamine 2-(2,4- dichlorophenoxy)pro pionate 000228-00283 Riverdale Triplet Benzoic acid, 3,6- Water Soluble dichloro-2-methoxy-, compd with N- methylmethanamine (1:1).................
		Mecoprop, dimethylamine salt 000769-00951 Pratt Liquid Benzoic acid, 3,6- Weedaway dichloro-2-methoxy-, compd with N- methylmethanamine (1:1).................
		Mecoprop, dimethylamine salt 008660-00242 Vigoro St. Benzoic acid, 3,6- Augustine Grass dichloro-2-methoxy- Lawn Weeder and, compd with N- Feeder methylmethanamine (1:1).................
	a257.g.akamaitech.net /7/257/2422/01jan20071800/edocket.access.gpo.gov/2007/E7-3322.htm (3184 words)

	DIMETHYLAMINE (aqueous solution) (ICSC)
		Toxicity information applies to aqueous solutions containing dimethylamine over 15%, and physical properties will vary according to concentration.
		See ICSC 0260 Dimethylamine gas in a cylinder.
		Card has been partly updated in April 2005.
	www.inchem.org /documents/icsc/icsc/eics1485.htm (398 words)

	EPRI: Effects of Dimethylamine on the Surface Charge Properties of Magnetite (Site not responding. Last check: )
		This report summarizes the results of a detailed investigation of the acid dissociation constants of dimethylammonium ion in high temperature water (0-290 degrees Celsius) and the effect of dimethylamine (DMA) on magnetite surface charge at 150 and 200 degrees Celsius.
		EPRI conducted the research at AECL Chalk River Laboratories at a constant temperature of 270 degrees Celsius, with a pHT of 6.2 using potassium hydroxide and various amine buffers (morpholine, dimethylamine, ethanolamine, and ammonia).
		To determine the acid dissociation constant of dimethylammonium ion and the effect of dimethylamine on magnetite surface charge at high temperature.
	www.epri.com /OrderableitemDesc.asp?product_id=000000000001001029&targetnid=273224&value=06T061143&marketnid=273141&oitype=1&searchdate=11/27/2000 (791 words)

	The potent carcinogen (Site not responding. Last check: )
		To delineate the sources and fate of NDMA precursors during municipal wastewater treatment, NDMA formation was measured after extended chloramination of both model precursors and samples from conventional and advanced wastewater treatment plants.
		Of the model precursors, only dimethylamine, tertiary amines with dimethylamine functional groups, and dimethylamides formed significant NDMA concentrations upon chloramination.
		Biological treatment effectively removed the known NDMA precursor dimethylamine, lowering its concentration to levels that could not produce significant quantities of NDMA upon chlorine disinfection.
	www.eng.yale.edu /wmlab/mitchsed2004abs.htm (206 words)

	Trimethylamine
		Anhydrous Dimethylamine and Aqueous solution are offered in bulk in suitable road tankers.
		Aqueous solution is also supplied in MS Drums of 200 litre capacity containing 170 kg of solution.
		Smaller requirements of Anhydrous Dimethylamine are supplied in cylinders.
	www.rcfltd.com /website_red/dimethylamine.html (107 words)

	Documentation for Immediately Dangerous to Life or Health Concentrations (IDLHs) - 124403
		Therefore, the chosen IDLH is based on an analogy with diethylamine which has an IDLH of 2,000 ppm.
		Basis for revised IDLH: The revised IDLH for dimethylamine is 500 ppm based on acute inhalation toxicity data in animals [Steinhagen et al.
		Acute inhalation toxicity and sensory irritation of dimethylamine.
	www.cdc.gov /niosh/idlh/124403.html (0 words)

	Mcpa (Site not responding. Last check: )
		FORMULATIONS: Potassium, sodium, dimethylamine salts (water soluble concentrates), isooctyl, and isobutylesters (emulsifiable concentrates).
		TOXICITY: (Rat): Acid Oral LD 1160 mg/kg; dimethylamine salt 1000 mg/kg; isooctyl (2-ethylhexyl) ester 1606 mg/kg.
		Acid Inhalation LC >6.36 mg/l; dimethylamine salt >4.72 mg/l, isooctyl (2-ethylhexyl) ester >4.5 mg/l.
	www.agrimor.com /mcpa.htm (316 words)

	Dimethylamine
		Colorless gas with the strong, fishy, ammonia-like odor characteristic of amines.
		About a third of the dimethylamine produced is used as a raw material for dimethyl formamide and dimethyl acetamide.
		Dimethylamine is also used as a raw material for surfactants and pesticides.
	www.chemvip.com /index/products_index/all_products/all_products_amines/product-dimethylamine.htm (0 words)

	Dimethylamine Borane Neurotoxicity
		(2005) reported the first study of the clinical toxicity of dimethylamine borane (DMAB) poisoning, particularly the neurologic manifestations in the central nervous system and peripheral nervous system.
		They decribed a prominent cerebellar dysfunction including impairments in performing tandem gait, finger-to-nose, and heel-to-knee tests and slurred speech in one patient who had the most severe neurologic symptoms 3 days after DMAB intoxication.
		Case report: the clinical toxicity of dimethylamine borane.
	www.ehponline.org /docs/2006/9034/letter.html (0 words)

	In Situ XAFS and NMR Study of Rhodium-Catalyzed Dehydrogenation of Dimethylamine Borane (Site not responding. Last check: )
		XAFS spectra show that the active form of the rhodium catalyst is most likely composed of a six-atom Rh core surrounded by tightly bound external ligands.
		NMR results show the presence of monomeric dimethylamine borane (CH, providing evidence that hydrogen formation from the homogeneous Rh species occurs by an intramolecular pathway.
		This is in contrast to thermal pathways that involve intermolecular B-N concurrent with hydrogen formation.
	pubs.acs.org /cgi-bin/abstract.cgi/jacsat/2005/127/i10/abs/ja0437050.html (175 words)

	Dimethylamine
		Calculation of the nitrogen nqcc's in dimethylamine was made on the substitution structure of Wollrab and Laurie [1].
		These are compared in Table 1 with the experimental nqcc's [1].
		N nqcc's in (CH Calculation was made on the MP2/ and mPW1PW91/aug-cc-pVTZ optimized structures.
	turbo.kean.edu /~wbailey/CH32NH.html (191 words)

	[No title]
		It is found in three nearly identical copies in each of Methanosarcina acetivorans, Methanosarcina barkeri, and Methanosarcina mazei.
		It demethylates dimethylamine, leaving monomethylamine, and methylates the prosthetic group of the small corrinoid protein MtbC.
		The methyl group is then transferred by methylcorrinoid:coenzyme M methyltransferase to coenzyme M. Note that the pyrrolysine residue is variously translated as K or X, or as a stop codon that truncates the sequence.
	www.ebi.ac.uk /interpro/DisplayIproEntry?ac=IPR012653&format=curator (0 words)

	Mason Chemical Company >> Macat® BD
		MACAT® BD is a 100% active, pastillated Behenamidopropyl Dimethylamine.
		BD offers superior conditioning performance with environmental acceptance not found in traditional cationic quat based surfactants.
		Combing Force data summarized on the left illustrate the advantages of Macat BD over related materials (SD-Stearyl C18 amidopropyl Dimethylamine) and traditional quat based conditioning agents (CTAC-Cetrimonium C16 chloride, BTAC-Behentrimonium C22 chloride) in wet and dry comb performance.
	www.masonsurfactants.com /Products/Macat_BD.htm (451 words)

	Activities of Therapeutic Agents and Myristamidopropyl Dimethylamine against Acanthamoeba Isolates -- Kilvington et al. ...
		Activities of Therapeutic Agents and Myristamidopropyl Dimethylamine against Acanthamoeba Isolates -- Kilvington et al.
		The activities of therapeutic agents and myristamidopropyl dimethylamine
		Hughes, R., Dart, J., Kilvington, S. Activity of the amidoamine myristamidopropyl dimethylamine against keratitis pathogens.
	aac.asm.org /cgi/content/full/46/6/2007 (1458 words)

	Definition of dimethylamine - Merriam-Webster Online Dictionary
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	www.webster.com /dictionary/dimethylamine (0 words)

	Erowid Online Books : "TIHKAL" - #53 T
		SYNTHESIS : (from indole) To a cold solution of approximately 25% aqueous dimethylamine (most easily made by dissolving 20 g dimethylamine hydrochloride in 20 g cold 50% NaOH) there was added 30 mL acetic acid followed by 17.2 g 37% HCHO.
		This yield (here, 32%) has been reported to approach quantitative with the use of anhydrous dimethylamine and only acetic acid as a solvent.
		To a solution of 15 g NaCN in 30 mL H2O there was added a solution of 10.0 g 3-(dimethylaminomethyl)indole in 100 mL EtOH, and the reaction held at reflux for 80 h.
	www.erowid.org /library/books_online/tihkal/tihkal53.shtml (2617 words)

	S. 3250 [109th]: A bill to suspend temporarily the duty on 2, 4-DB Acid and 2,4-DB Dimethylamine Salt (GovTrack.us) (Site not responding. Last check: )
		See also: How a bill becomes a law from Project Vote Smart.
		Because the government takes a day or two to post legislative information online, GovTrack is usually current as of the start of the previous day.
		This website is just a pet project of a regular joe.
	www.govtrack.us /congress/bill.xpd?bill=s109-3250 (344 words)

	Asymmetric Dimethylarginine Causes Hypertension and Cardiac Dysfunction in Humans and Is Actively Metabolized by ... (Site not responding. Last check: )
		The urinary dimethylamine (µmol/L) to Cr (mg/dL) ratio
		B, Absolute change in urinary dimethylamine to Cr ratio in individual subjects after ADMA (3 mg/kg) or placebo injection (n=6).
		Charloux A, Lonsdorfer-Wolf E, Richard R, Lampert E, Oswald-Mammosser M, Mettauer B, Geny B, Lonsdorfer J. A new impedance cardiograph device for the non-invasive evaluation of cardiac output at rest and during exercise: comparison with the direct Fick method.
	atvb.ahajournals.org /cgi/content/full/23/8/1455 (3940 words)

	The Trimethylamine Methyltransferase Gene and Multiple Dimethylamine Methyltransferase Genes of Methanosarcina barkeri ...
		The Trimethylamine Methyltransferase Gene and Multiple Dimethylamine Methyltransferase Genes of Methanosarcina barkeri Contain In-Frame and Read-Through Amber Codons -- Paul et al.
		The Trimethylamine Methyltransferase Gene and Multiple Dimethylamine Methyltransferase Genes of Methanosarcina barkeri Contain In-Frame and Read-Through Amber Codons
		Methylamines are particularly important methane precursors in marine environments, where they arise from the breakdown of
	jb.asm.org /cgi/content/full/182/9/2520 (6312 words)

	Dermatology Associates of Western Connecticut: DCL Products: Alpha Hydroxy Acids (Glycolic Acids) (Site not responding. Last check: )
		Followed with an application of a light moisturizer, the skin will be left feeling smoother, looking healthier and appearing radiant.
		Specifically developed for patients who require a more aggressive glycolic acid-based skin care regimen, but whose sensitive skin precludes the use of HP (high potency) level products.
		This creme will provide the eye area with the benefits of glycolic acid and the gentle emolliency that the eye area requires.
	www.dermwestconn.com /products/alpha_hydroxy.html (720 words)

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