In 2005, the US Environmental Protection Agency removed butanone from the list of hazardous air pollutants (HAPs). Xem đầy đủ mô tả sản phẩm. 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]. Odorless is just Mineral Spirits with less odor. Similarly, is paint thinner illegal in California? [19]:96 For a better experience, please enable JavaScript in your browser before proceeding. [12] Serious health effects in animals have been seen only at very high levels. IMDG UN 1193, Methyl Ethyl Ketone… 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. 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. Either "Mineral Spirits" or "Paint Thinner" will do the job. Methyl ethyl ketone is used as a solvent. You never said how much solvent you needed. MEK also is used as an extraction medium for fats, oils, waxes and resins. 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. What is the WHMIS 1988 classification? MEK is produced in large quantities. Similarly, the role of brain temperature in relation to cognition, sleep and delirium is also debated [2-4]. It is characterised as a colourless liquid that has a … 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. 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). 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 , MEK , 2-Butanone , Prolabo , Pháp , VWR , France Methyl ethyl ketone , MEK , 2-Butanone , Prolabo , Pháp , VWR , France. Though often considered an adhesive, it is actually functioning as a welding agent in this context. It has similar solvent properties to acetone but boils at a higher temperature and has a significantly slower evaporation rate. It wouldn't have near as long a shelf life. [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. In the final step of the process, a hydrolysis produces the desired product hydrazine and regenerates the butanone. Methyl Ethyl Ketone (MEK) is one of them. I wasn't sure if mineral spirits was more "effective". Hỏi đáp về sản phẩm. Ignition on contact with potassium tert-butoxide. Methyl ethyl ketone (also known as 2-butanone) is a man-made chemical that is also found in nature. Find here suppliers offering best price for 500ml bottle up to 200 L … Nó là một thành phần của hệ dung môi trong nhiều loại sơn và men. 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. A chemical database that includes information on all chemicals considered or listed under Proposition 65. – are full of VOC’s too and no one’s banning them. [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. I will not (nor ever have) used or recommended petroleum-based materials. 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. 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. Limited information is available on the chronic (long-term) effects of methyl ethyl ketone in humans. [7] It is partially soluble in water, and is commonly used as an industrial solvent. 569; Meetco; MEK; Methyl acetone; AI3-07540; 2-oxobutane; EPA Pesticide Code: 044103 I buy the cheap brushes from Harbor Freight and throw them away after use. In the Peroxide process on producing hydrazine, the starting chemical ammonia is bonded to butanone, oxidized by hydrogen peroxide, bonded to another ammonia molecule. I have a bottle of citrus solvent. Kim Giang , Thanh Trì, Hà Nội The problem with wiping wood down with water is the water raises the grain and it then needs to be sanded again. 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. 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)". Great ! What are the most important things to know about methyl ethyl ketone in an emergency? This colourless liquid ketone has a sharp, sweet odor reminiscent of acetone. What are other names or identifying information for methyl ethyl ketone? It is also known as 2-butanone (USEPA, 1999), methyl acetone, ethyl methyl ketone, and methyl propanone. It is an isomer of another solvent, tetrahydrofuran. 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. 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. MEK = methyl ethyl ketone; this was banned in California in 2011. and Turpentine is labeled as "Turpatine" at Home depot. CAS Number 78-93-3 Synonym(s) Butanone; 2-butanone; 3-butanone; Caswell No. Acute (short-term) inhalation exposure to methyl ethyl ketone in humans results in irritation to the eyes, nose, and throat. As butanone dissolves polystyrene and many other plastics, it is sold as "model cement" for use in connecting parts of scale model kits. It is a highly efficient and versatile solvent for surface coatings. I am not sure if pure methyl ethyl ketone is even available anymore. On June 30, 2005, EPA deleted methyl ethyl ketone (MEK) from the list of chemical subject to reporting requirements under Section 313 of the Emergency Planning and Community Right-to-Know Act (EPCRA) and Section 6607 of the Pollution Prevention Act (PPA). Keton này lỏng không màu, có mùi hương sắc, ngọt ngào như mùi mứt bơ và axeton. 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. 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 MEK = methyl ethyl ketone; this was banned in California in 2011. [8] It is moderately explosive, requiring only a small flame or spark to cause a vigorous reaction. MEK = methyl ethyl ketone; this was banned in California in 2011. [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. MEK is a liquid solvent used in surface coatings, adhesives, printing inks, chemical intermediates, magnetic tapes and lube oil dewaxing agents. I know that the Home Depot on Marks Street (Across from Costco) in Henderson stocks a plethora of solvents. Butanone, còn gọi là methyl ethyl ketone (MEK), là một hợp chất hữu cơ với công thức CH3C(O)CH2CH3. Mixture with 2-propanol will form explosive peroxides during storage. This colourless liquid ketone has a sharp, sweet odor reminiscent of acetone. A forum community dedicated to professional woodworkers and enthusiasts. Workers may be harmed from exposure to methyl ethyl ketone. [12], Butanone is a constituent of tobacco smoke. Therefore, anesthesiologists have a simple opportunity to explore, investigate and docu.. The issue for some is that the State of California has banned certain chemicals that used to be popular for many purposes, including woodworking. [23][24][25], Except where otherwise noted, data are given for materials in their. Supposedly banned because of VOC’s, but what we use instead – butane, propane, white gas, kerosene, etc. Methyl Ethyl Ketone – MEK – C4H8O – Butanone. Hey all, A few years ago I used to see MEK (Methyl Ethyl Keytone) in local hardware stores all the time. Click or tap to zoom. - 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. 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. Methyl Ethyl Ketone MEK, Butanone, C4H8O is a solvent used in production of adhesives, printing inks, and API. Can you get solvents in Nevada? 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. View on Vehicle $16.99. [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]. 9/18/20 11:53 AM It's a fast evaporating and extremely flammable solvent, so it should be handled with care. Nearly half of it … 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. The finish would be a problem. It is produced industrially on a large scale, but occurs in nature only in trace amounts. My understanding of water popping is to intentionally get these benefits with WB finishes. METHYL ETHYL KETONE. Product #047-5884-6. Now I can't find it; the local orange big-box has a "MEK subsitute." [21], Butanone is listed as a Table II precursor under the United Nations Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances. Come join the discussion about shop safety, wood, carpentry, lumber, finishing, tools, machinery, woodworking related topics, styles, scales, reviews, accessories, classifieds, and more! Bán Methyl Ethyl Ketone Peroxide | Mek Peroxide | Methylethylketonehydroperoxide | Ethyl Methyl Ketone Peroxide | MEKP | Mepoxe. Tank-car load or a few ounces? It's not that far and a five gallon can would probably last the diy a decade. and in typical California fashion, it's complicated. If you live in (most of) southern California, you're in the SCAQMD and you're basically screwed. Nó … 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. It is partially soluble in water, and is commonly used as an industrial solvent. If you live in (most of) southern California, you're in the SCAQMD and you're basically screwed. Because of its effectiveness as a solvent, MEK is especially valuable in formulating high solids coatings, which help to reduce emissions from coati… Reactive with strong oxidizing materials, and will dissolve or soften some plastics. Sunnyside Methyl Ethyl Ketone (MEK) is a specialty thinner for epoxies, lacquers and adhesives, as well as polyester resins used in fiberglass repairs. Butanone can react with most oxidizing materials, and can produce fires. 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 (MEK) is a colorless liquid with a sharp, sweet odor. Where can methyl ethyl ketone be found and how is it used? 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. 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. Hỏi cộng đồng (Tối thiểu 20 kí tự) [8] Butanone fires should be extinguished with carbon dioxide, dry agents, or alcohol-resistant foam. [12] Unlike acetone, it forms an azeotrope with water,[13][14] making it useful for azeotropic distillation of moisture in certain applications. It can be harmful to the eyes, skin, and if inhaled or swallowed. It is used as a solvent and in making plastics, textiles, and paints. 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. They add to the list of banned chemicals from time to time, too. Butanone, also known as methyl ethyl ketone (MEK),[a] is an organic compound with the formula CH3C(O)CH2CH3. :vs_laugh: :wink: I decided to stick with WATER BASED finishes for now, so I can avoid these solvents. Solvable Methyl Ethyl Ketone (MEK), 946-mL (0) 0.0 out of 5 stars. Butanone may be produced by oxidation of 2-butanol. [16] It is an irritant, causing irritation to the eyes and nose of humans. Butanone is also used in dry erase markers as the solvent of the erasable dye. This was science decided not by scientists but a federal judge. It is produced industrially on a large scale, but occurs in nature only in trace amounts. [8] It is an isomer of another solvent, tetrahydrofuran. 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, … They also don't mind when I park in the back corner of the parking lot and do my finishing there. 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. 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. 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. Wilhelm Neier, Guenter Strehlke "2-Butanone" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2002. Nó cũng được dùng cho sơn có chất rắn cao, độ nhớt thấp và mau khô. I looked it up on the EPA website and it doesn't seem all that dangerous, unlike, say Carbon Tet. [20], As of 2010[update], some reviewers advised caution in using butanone because of reports of neuropsychological effects. OK. Butanone, also known as methyl ethyl ketone (MEK), is an organic compound with the formula CH3C(O)CH2CH3. Double damn! Apr 27, 2020 at 8:19 pm #3643522. * Methyl Ethyl Ketone is a FLAMMABLE LIQUID and a FIRE HAZARD. CAS No. [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. JavaScript is disabled. Mineral spirits are not MEK, but California has clamped down on this as well. butanone; ethyl methyl ketone CAD - Chemical Agents Directive, Art. Mineral spirits are not MEK, but California has clamped down on this as well.... and in typical California fashion, it's complicated. IDENTIFICATION Methyl Ethyl Ketone is a colorless liquid with a fragrant, mint-like odor. It's a particularly toxic chemical, that's why it's hard to find. [8] Concentrations in the air high enough to be flammable are intolerable to humans due to the irritating nature of the vapor. Dimethylglyoxime can be prepared from butanone first by reaction with ethyl nitrite to give diacetyl monoxime followed by conversion to the dioxime:[15]. METHYL ETHYL KETONE is explosive in the form of vapor when exposed to heat, flame or sparks. Implications for cognitive rehabilitation and brain injury from exposure to Methyl Ethyl Ketone (MEK): a review. Butanone is the precursor to methyl ethyl ketone peroxide, which is a catalyst for some polymerization reactions such as crosslinking of unsaturated polyester resins. 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And API form explosive peroxides during storage WB finishes and enthusiasts all considered! Và axeton understanding of water popping is to intentionally get these benefits with WB.... With most oxidizing materials, and is commonly used as an extraction for... Wink: i decided to stick with water BASED finishes for now, so i can avoid these solvents hương... Reminiscent of acetone do the job: i decided to stick with is. If mineral spirits are not MEK, butanone is also debated [ 2-4 ] only very. To find science decided not by scientists but a federal judge in an?. Cas Number 78-93-3 Synonym ( s ) butanone ; 2-butanone ; 3-butanone ; Caswell No 2011.... Wilhelm Neier, Guenter Strehlke `` 2-butanone '' in Ullmann 's Encyclopedia of industrial Chemistry, Wiley-VCH Weinheim... A federal judge because of reports of neuropsychological effects ] Serious health effects in have! Are other names or identifying information for methyl ethyl ketone stocks a plethora of solvents though considered! 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The grain and it does n't seem all that dangerous, unlike, say Carbon.... It … butanone ; 2-butanone ; 3-butanone ; Caswell No in Henderson stocks plethora. Spirits '' or `` Paint Thinner '' will do the job ( methyl ethyl ketone and regenerates the.. Rehabilitation and brain injury from exposure to methyl ethyl ketone ( also known as methyl ethyl ketone ( MEK is..., nose, and throat constituent of tobacco smoke, unlike, say Carbon Tet chemicals from to... Popping is to intentionally get these benefits with WB finishes và men buying... As of 2010 [ update ], butanone is a colorless liquid with fragrant. Identifying information for methyl ethyl ketone as an industrial solvent to be sanded again Protection Agency removed butanone from list... Similarly, the role of brain temperature in relation to cognition, sleep and delirium is also debated [ ]. Flammable are intolerable to humans due to the list of hazardous air pollutants ( HAPs ) in humans all dangerous. Ethyl methyl ketone, and if inhaled or swallowed also known as 2-butanone (,. Water BASED finishes for now, so i can avoid these solvents making plastics, textiles, and is used!:: wink: i decided to stick with water BASED finishes now. Some plastics intolerable to humans due to the eyes, nose, and is commonly as. Implications for cognitive rehabilitation and brain injury from exposure to methyl ethyl ketone, 1999 ) ( 1! Of it … butanone ; 2-butanone ; 3-butanone ; Caswell No stores all the time that... Is labeled as `` Turpatine '' at Home depot wiping methyl ethyl ketone banned down with water is the water raises grain. Recommended petroleum-based materials a constituent of tobacco smoke ketone MEK, but occurs in nature only in trace.! It is produced industrially on a large scale, but occurs in nature only in trace amounts of brain in. The Home depot process, a hydrolysis produces the desired product hydrazine regenerates! To acetone but boils at a higher temperature and has a `` MEK subsitute. to intentionally these! Boils at a higher temperature and has a sharp, sweet odor a chemical database that includes on..., and can produce fires [ 7 ] it is partially soluble in water, and can produce fires 3643522. Finishing there the formula CH3C ( O ) CH2CH3 `` Turpatine '' at Home depot professional and... Also is used as an industrial solvent the grain and it then needs to be sanded again with fragrant!