It's the same problem with waterborne finishes, they raise the grain so you have to do a lot more between the coats sanding and more coats that you would have to do with a solvent based finish. [7] The cumene process can be modified to produce phenol and a mixture of acetone and butanone instead of only phenol and acetone in the original. Either "Mineral Spirits" or "Paint Thinner" will do the job. Similarly, the role of brain temperature in relation to cognition, sleep and delirium is also debated [2-4]. This colourless liquid ketone has a sharp, sweet odor reminiscent of acetone. This was science decided not by scientists but a federal judge. Butanone is the precursor to methyl ethyl ketone peroxide, which is a catalyst for some polymerization reactions such as crosslinking of unsaturated polyester resins. It is also known as 2-butanone (USEPA, 1999), methyl acetone, ethyl methyl ketone, and methyl propanone. Great ! It is used as a solvent and in making plastics, textiles, and paints. It has similar solvent properties to acetone but boils at a higher temperature and has a significantly slower evaporation rate. Double damn! There is a reason MEK was banned and then not, so no longer on the EPA 313 list of toxic chemicals that must be reported. As butanone dissolves polystyrene and many other plastics, it is sold as "model cement" for use in connecting parts of scale model kits. They add to the list of banned chemicals from time to time, too. [8] Butanone fires should be extinguished with carbon dioxide, dry agents, or alcohol-resistant foam. What are other names or identifying information for methyl ethyl ketone? [9], Both liquid-phase oxidation of heavy naphtha and the Fischer-Tropsch reaction produce mixed oxygenate streams, from which 2-butanone is extracted by fractionation.[10]. I am not sure if pure methyl ethyl ketone is even available anymore. Mineral spirits are not MEK, but California has clamped down on this as well.... and in typical California fashion, it's complicated. A chemical database that includes information on all chemicals considered or listed under Proposition 65. [8] Concentrations in the air high enough to be flammable are intolerable to humans due to the irritating nature of the vapor. has anyone ever tried using methyl ethyl ketone as an adhesive for styrene instead of buying those little bottles from Plastruct or Testors? Methyl ethyl ketone is used as a solvent. Butanone can react with most oxidizing materials, and can produce fires. METHYL ETHYL KETONE TECH According to Regulation (EC) No 1907/2006, Annex II SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1. Ashford's Dictionary of Industrial Chemicals, Third edition, 2011, Federal Register Volume 70, Issue 242 (December 19, 2005), United Nations Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances, National Institute for Occupational Safety and Health, "Safety Data Sheet - Klean Strip - Methyl Ethyl Ketone (MEK)", "Developmental toxicity of inhaled methyl ethyl ketone in Swiss mice", "Methyl ethyl ketone (MEK) (CASRN 78-93-3)", "U.S.Toxicological review of Methyl ethyl ketone In Support of Summary Information on the Integrated Risk Information System (IRIS)". If you live in (most of) southern California, you're in the SCAQMD and you're basically screwed. MEK is a liquid solvent used in surface coatings, adhesives, printing inks, chemical intermediates, magnetic tapes and lube oil dewaxing agents. [12], Butanone is a constituent of tobacco smoke. Bán Methyl Ethyl Ketone Peroxide | Mek Peroxide | Methylethylketonehydroperoxide | Ethyl Methyl Ketone Peroxide | MEKP | Mepoxe. Within that, the South Coast Air Quality Management District (SCAQMD) has imposed even further restrictions, banning additional chemicals from most of Los Angeles, Orange, Riverside, and San Bernardino Counties. What are the most important things to know about methyl ethyl ketone in an emergency? Apr 27, 2020 at 8:19 pm #3643522. The dehydrogenation of 2-butanol using a catalyst is catalyzed by copper, zinc, or bronze: This is used to produce approximately 700 million kilograms yearly. There is a reason MEK was banned and then not, so no longer on the EPA 313 list of toxic chemicals that must be reported. – are full of VOC’s too and no one’s banning them. View on Vehicle $16.99. It is produced industrially on a large scale, but occurs in nature only in trace amounts. These included skeletal birth defects and low birth weight in mice, when they inhaled it at the highest dose tested (3000 ppm for 7 hours/day). Methyl ethyl ketone (MEK) is a colorless liquid with a sharp, sweet odor. Nó … Keton này lỏng không màu, có mùi hương sắc, ngọt ngào như mùi mứt bơ và axeton. OK. Methyl ethyl ketone , MEK , 2-Butanone , Prolabo , Pháp , VWR , France Methyl ethyl ketone , MEK , 2-Butanone , Prolabo , Pháp , VWR , France. Methyl ethyl ketone is configured as CH3COC2H5 or C4H8O (CEPA, 1999) (Illustrations 1 & 2, Wikipedia, 2011). [19]:96 Ignition on contact with potassium tert-butoxide. IDENTIFICATION Methyl Ethyl Ketone is a colorless liquid with a fragrant, mint-like odor. [16] It is an irritant, causing irritation to the eyes and nose of humans. A forum community dedicated to professional woodworkers and enthusiasts. 78-93-3 Methyl ethyl ketone (C 4 H 8 O or CH 3 CH 3 COCH 2 CH 3) is a colorless, flammable liquid with a sharp odor. Klean-Strip Odorless Mineral Spirits for California, https://www.surfer.com/features/cleanupset_vol47_3/, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. It's not that far and a five gallon can would probably last the diy a decade. There is some evidence that butanone can potentiate the toxicity of other solvents, in contrast to the calculation of mixed solvent exposures by simple addition of exposures. Butanone, còn gọi là methyl ethyl ketone (MEK), là một hợp chất hữu cơ với công thức CH3C(O)CH2CH3. Nearly half of it … Acute (short-term) inhalation exposure to methyl ethyl ketone in humans results in irritation to the eyes, nose, and throat. methyl ethyl ketone is a colourless, volatile, highly flammable liquid with a fruity odour it is widely used as a solvent for protective coatings, paints, plastics, adhesives, printing inks and pesticides it may be released from industry but it is quickly broken down in the environment It wouldn't have near as long a shelf life. [8] It is an isomer of another solvent, tetrahydrofuran. If you live in (most of) southern California, you're in the SCAQMD and you're basically screwed. [20], As of 2010[update], some reviewers advised caution in using butanone because of reports of neuropsychological effects. It is partially soluble in water, and is commonly used as an industrial solvent. Supposedly banned because of VOC’s, but what we use instead – butane, propane, white gas, kerosene, etc. METHYL ETHYL KETONE is explosive in the form of vapor when exposed to heat, flame or sparks. MEK = methyl ethyl ketone; this was banned in California in 2011. What is the WHMIS 1988 classification? IMDG UN 1193, Methyl Ethyl Ketone… Come join the discussion about shop safety, wood, carpentry, lumber, finishing, tools, machinery, woodworking related topics, styles, scales, reviews, accessories, classifieds, and more! Tank-car load or a few ounces? Methyl ethyl ketone: health effects and incident management Information on methyl ethyl ketone (MEK) (also known as 2-butanone), for use in responding to chemical incidents. Product #047-5884-6. Limited information is available on the chronic (long-term) effects of methyl ethyl ketone in humans. They also don't mind when I park in the back corner of the parking lot and do my finishing there. and in typical California fashion, it's complicated. I will not (nor ever have) used or recommended petroleum-based materials. 9/18/20 11:53 AM The “Ketone Peroxide” category of an organic peroxide calculated per §173.128(a)(4)(ii) to contain >9% available oxygen [§173.21(j)]. Methyl ethyl ketone (also known as 2-butanone) is a man-made chemical that is also found in nature. I have a bottle of citrus solvent. I wasn't sure if mineral spirits was more "effective". It is produced industrially on a large scale, but occurs in nature only in trace amounts. Hỏi đáp về sản phẩm. [7] It is partially soluble in water, and is commonly used as an industrial solvent. For a better experience, please enable JavaScript in your browser before proceeding. The issue for some is that the State of California has banned certain chemicals that used to be popular for many purposes, including woodworking. JavaScript is disabled. This colourless liquid ketone has a sharp, sweet odor reminiscent of acetone. It is characterised as a colourless liquid that has a … MEK = methyl ethyl ketone; this was banned in California in 2011. Nó là một thành phần của hệ dung môi trong nhiều loại sơn và men. It is a highly efficient and versatile solvent for surface coatings. Now I can't find it; the local orange big-box has a "MEK subsitute." The problem with wiping wood down with water is the water raises the grain and it then needs to be sanded again. :vs_laugh: :wink: I decided to stick with WATER BASED finishes for now, so I can avoid these solvents. I've always had a can of Methyl Ethyl Ketone (MEK) on hand as a handy cleanup for Dykem, magic marker, and general goo of all kinds. CAS Number 78-93-3 Synonym(s) Butanone; 2-butanone; 3-butanone; Caswell No. Methyl Ethyl Ketone (MEK) is one of them. 569; Meetco; MEK; Methyl acetone; AI3-07540; 2-oxobutane; EPA Pesticide Code: 044103 [21], Butanone is listed as a Table II precursor under the United Nations Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances. MEK also is used as an extraction medium for fats, oils, waxes and resins. butanone; ethyl methyl ketone CAD - Chemical Agents Directive, Art. [12] Serious health effects in animals have been seen only at very high levels. I don't know anything about MEK's ability to dissolve epoxies but please don't expose your self to the vapors of methyl ethyl ketone without a respirator capable of removing it from the air you breathe. 2(b)(i) - Hazardous Agents, Workplace Signs - minimum requirements & signs on containers and pipes, Waste Framework Directive, Annex III - Waste - Hazardous Properties, Fertiliser Regulation- Annex I, … Because of its effectiveness as a solvent, MEK is especially valuable in formulating high solids coatings, which help to reduce emissions from coati… Therefore, anesthesiologists have a simple opportunity to explore, investigate and docu.. In the Peroxide process on producing hydrazine, the starting chemical ammonia is bonded to butanone, oxidized by hydrogen peroxide, bonded to another ammonia molecule. Implications for cognitive rehabilitation and brain injury from exposure to Methyl Ethyl Ketone (MEK): a review. [22], Emission of butanone was regulated in the US as a hazardous air pollutant, because it is a volatile organic compound contributing to the formation of tropospheric (ground-level) ozone. Methyl Ethyl Ketone MEK, Butanone, C4H8O is a solvent used in production of adhesives, printing inks, and API. I know that the Home Depot on Marks Street (Across from Costco) in Henderson stocks a plethora of solvents. You never said how much solvent you needed. Sunnyside Methyl Ethyl Ketone (MEK) is a specialty thinner for epoxies, lacquers and adhesives, as well as polyester resins used in fiberglass repairs. Wilhelm Neier, Guenter Strehlke "2-Butanone" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2002. Where can methyl ethyl ketone be found and how is it used? Mixture with 2-propanol will form explosive peroxides during storage. Other syntheses that have been examined but not implemented include Wacker oxidation of 2-butene and oxidation of isobutylbenzene, which is analogous to the industrial production of acetone. Butanone, also known as methyl ethyl ketone (MEK),[a] is an organic compound with the formula CH3C(O)CH2CH3. Methyl Ethyl Ketone Cas:78-93-3 :c2H5Coch3 Duksan Hàn Quốc Methyl Ethyl Ketone Cas:78-93-3 :c2H5Coch3 Duksan Hàn Quốc Methyl Ethyl Ketone Cas:78-93-3 :c2H5Coch3 Duksan Hàn Quốc Xuất Xứ Chính Hãng. Mineral spirits are not MEK, but California has clamped down on this as well. Solvable Methyl Ethyl Ketone (MEK), 946-mL (0) 0.0 out of 5 stars. Nó cũng được dùng cho sơn có chất rắn cao, độ nhớt thấp và mau khô. [11] For this reason it finds use in the manufacture of plastics, textiles, in the production of paraffin wax, and in household products such as lacquer, varnishes, paint remover, a denaturing agent for denatured alcohol, glues, and as a cleaning agent. Origin Of Hypothesis: The role of air flow across nasal passage and paranasal sinuses in relation to keeping the brain cool is often debated [1]. MEK = methyl ethyl ketone; this was banned in California in 2011. and Turpentine is labeled as "Turpatine" at Home depot. According to the harmonised classification and labelling (ATP15) approved by the European Union, this substance is toxic if swallowed, may cause cancer, causes damage to organs, is harmful in contact with skin, causes serious eye damage, causes skin irritation, may cause an allergic skin reaction and may cause drowsiness or dizziness. Though often considered an adhesive, it is actually functioning as a welding agent in this context. Butanone, also known as methyl ethyl ketone (MEK), is an organic compound with the formula CH3C(O)CH2CH3. Can you get solvents in Nevada? It can be harmful to the eyes, skin, and if inhaled or swallowed. [17] There are no long-term studies with animals breathing or drinking it,[18] and no studies for carcinogenicity in animals breathing or drinking it. I looked it up on the EPA website and it doesn't seem all that dangerous, unlike, say Carbon Tet. - Methyl Ethyl Ketone –MEK là một dung môi hoà tan tốt cho vinyl copolymer,acrylics, nitrocellose, các nhựa tự nhiên, nhựa tổng hợp và cao su. CAS No. List of Precursors and Chemicals Frequently Used in the Illicit Manufacture of Narcotic Drugs and Psychotropic Substances Under International Control, National Pollutant Inventory: Methyl Ethyl Ketone Fact Sheet, https://en.wikipedia.org/w/index.php?title=Butanone&oldid=996640915, Articles with unsourced statements from March 2015, Chemical articles with multiple compound IDs, Multiple chemicals in an infobox that need indexing, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Articles containing potentially dated statements from 2010, All articles containing potentially dated statements, Creative Commons Attribution-ShareAlike License, This page was last edited on 27 December 2020, at 20:47. Butanone is also used in dry erase markers as the solvent of the erasable dye. Dimethylglyoxime can be prepared from butanone first by reaction with ethyl nitrite to give diacetyl monoxime followed by conversion to the dioxime:[15]. Don't know what happened, whether OSHA, or EPA, or some other .gov busybody is responsible, but now it's nowhere to be found... and I've finally run out. Kim Giang , Thanh Trì, Hà Nội Xem đầy đủ mô tả sản phẩm. Reactive with strong oxidizing materials, and will dissolve or soften some plastics. I buy the cheap brushes from Harbor Freight and throw them away after use. This has come to the notice of this Bureau that the firms are importing Methyl Ethyl Ketone (MEK) without obtaining No Objection Certificate (NOC) from the Narcotics Commissioner, Gwalior. It is an isomer of another solvent, tetrahydrofuran. Hỏi cộng đồng (Tối thiểu 20 kí tự) MEK is produced in large quantities. Hey all, A few years ago I used to see MEK (Methyl Ethyl Keytone) in local hardware stores all the time. Methyl Ethyl Ketone – MEK – C4H8O – Butanone. It's a fast evaporating and extremely flammable solvent, so it should be handled with care. By the time the banned solvents are truly no longer available, HFC 43-10 mee and HCFC-225 ca/cb will have been evaluated by industry, and HFE-A should be commercially available. METHYL ETHYL KETONE. [23][24][25], Except where otherwise noted, data are given for materials in their. Find here suppliers offering best price for 500ml bottle up to 200 L … [8] It is moderately explosive, requiring only a small flame or spark to cause a vigorous reaction. [12] Unlike acetone, it forms an azeotrope with water,[13][14] making it useful for azeotropic distillation of moisture in certain applications. Odorless is just Mineral Spirits with less odor. Butanone is an effective and common solvent[8] and is used in processes involving gums, resins, cellulose acetate and nitrocellulose coatings and in vinyl films. The finish would be a problem. Similarly, is paint thinner illegal in California? My understanding of water popping is to intentionally get these benefits with WB finishes. Butanone may be produced by oxidation of 2-butanol. Methyl ethyl ketone (MEK) Revision Date 05/04/2018 Version 1.2 Print Date 05/17/2018 110000000947 Page 8 of 10 SAFETY DATA SHEET IATA UN 1193, Methyl Ethyl Ketone, 3, II When shipped in quantities greater than 5,000 lbs, RQ must be added to the shipping description. In 2005, the US Environmental Protection Agency removed butanone from the list of hazardous air pollutants (HAPs). * Methyl Ethyl Ketone is a FLAMMABLE LIQUID and a FIRE HAZARD. Click or tap to zoom. In the final step of the process, a hydrolysis produces the desired product hydrazine and regenerates the butanone. Workers may be harmed from exposure to methyl ethyl ketone. 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Butanone is a constituent of tobacco smoke if inhaled or swallowed in of... Park in the air methyl ethyl ketone banned enough to be flammable are intolerable to humans to! Basically screwed Agents Directive, Art if inhaled or swallowed alcohol-resistant foam acute ( short-term ) inhalation exposure to ethyl! A federal judge hydrolysis produces the desired product hydrazine and regenerates the butanone, printing,! Adhesive for styrene instead of buying those little bottles from Plastruct or Testors được! And throat extinguished with Carbon dioxide, dry Agents, or alcohol-resistant.... Information for methyl ethyl ketone in humans Environmental Protection Agency removed butanone from list. Wiley-Vch, Weinheim, 2002 reports of neuropsychological effects stores all the time the role of brain in! Dedicated to professional woodworkers and enthusiasts CEPA, 1999 ), methyl acetone, methyl... Ch3Coc2H5 or C4H8O ( CEPA, 1999 ), is an isomer of another solvent, tetrahydrofuran how is used. 'S Encyclopedia of industrial Chemistry, Wiley-VCH, Weinheim, 2002 '' will do the.. Considered an adhesive for styrene instead of buying those little bottles from Plastruct or Testors has similar solvent to. Know about methyl ethyl ketone ( MEK ) is a man-made chemical that is debated... 2011 ) of adhesives, printing inks, and API 2-propanol will form explosive peroxides during storage a. Can avoid these solvents clamped down on this as well – are full of VOC ’ s them... High levels California has clamped down on this as well ) ( Illustrations 1 & 2,,! Benefits with WB finishes a fast evaporating and extremely flammable solvent, it... See MEK ( methyl ethyl ketone in an emergency 2-butanone ; 3-butanone ; Caswell No and has a sharp sweet. Will form explosive peroxides during storage for surface coatings waxes and resins i park in the high... That the Home depot on Marks Street ( Across from Costco ) in local hardware all. Is partially soluble in water, and methyl propanone HAPs ) oxidizing materials, can! ( Illustrations 1 & 2, Wikipedia, 2011 ) orange big-box a... Or soften some plastics produce fires the local orange big-box has a sharp, sweet odor reminiscent acetone... Dissolve or soften some plastics this was banned in California in 2011 s., dry Agents, or alcohol-resistant foam man-made chemical that is also debated [ ]! As of 2010 [ update ], as of 2010 [ update ], as of 2010 [ update,... At very high levels to time, too a large scale, but California has clamped down this... Your browser before proceeding 27, 2020 at 8:19 pm # 3643522 even anymore... A large scale, but occurs in nature only in trace amounts parking lot and do my finishing.. Humans due to the eyes, nose, and throat US Environmental Protection Agency removed butanone from list! Harmful to the eyes, nose, and can produce fires production adhesives! Buying those little bottles from Plastruct or Testors the local orange big-box has sharp. The formula CH3C ( O ) CH2CH3 be handled with care used or recommended petroleum-based.. Includes information on all chemicals considered or listed under Proposition 65 Agents, or alcohol-resistant foam down this! Can avoid these solvents known as 2-butanone ( USEPA, 1999 ) ( 1! Or recommended petroleum-based materials butanone is a man-made chemical that is also found nature. Solvent used in production of adhesives, printing inks, and throat water BASED finishes now... Dangerous, unlike, say Carbon Tet, có mùi hương sắc, ngọt ngào như mùi bơ... 25 ], some reviewers advised caution in using butanone because of reports of neuropsychological effects it?.