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A colorless, flammable ketone, C4H8O, used in lacquers, paint removers, cements and adhesives, cleaning fluids, and celluloid. Also called methyl ethyl ketone.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) a colourless soluble flammable liquid used mainly as a solvent for resins, as a paint remover, and in lacquers, cements, and adhesives. Formula: CH3COC2H5. Also called: methyl ethyl ketone
[C20: from butan(e) + -one]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.butanone - colorless soluble flammable liquid ketone used as a solvent for resins and as a paint remover and in lacquers and cements and adhesives and cleaning fluids and celluloid
ketone - any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals
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References in periodicals archive ?
2-Butanone is also known by names such as methyl ethyl ketone (MEK), butanone, butan-2-one, etc.
Propionaldehyde and butanone were found in similar proportions (ca.
3), butanone peroxide, CAS 1338-23-4, was also added in the study.
Acrolein, propionaldehyde, crotonaldehyde, and butyraldehyde (99.5%) were purchased from Quality Control Chemicals INC (USA); acetone and butanone (>99%) were purchased from Fisher (UK); deionized/distilled water was made by Thermo Scientific GenPure.
Analytical-grade ethyl acetate, butanone, and formic acid were purchased from Sinopharm Chemical Reagent Co., Ltd.
This polymer has a low solubility in acetone, butanone, ethyl acetate, dimethylformamide, diethyl ether, and so on and is insoluble in alcohol, petroleum ether, diethyl ether, and so forth [6].
1272/2008 as amended Contains: Butanone oxime Signal word Danger Hazard statements H312 Harmful in contact with skin.
According to an assessment by government environmental inspectors published in 2014, the facility was designed to store several dangerous and toxic chemicals including butanone, an explosive industrial solvent, sodium cyanide and compressed natural gas.
When the vents get clogged, they can be cleaned mechanically or chemically by baking at low temperatures, using ultrasonic cleaning, or MEK (methyl ethyl ketone) solvent (also called butanone).
The brominated bisphenol-A based vinyl ester consists of 38 weight% styrene, added to Butanone peroxide, N, N-Dimethylaniline, Cobalt Naphthenate, and 2-4-Pentanedione additives to impart maximum fire retardance, chemical resistance, and toughness.
Banerji, "Kinetics & mechanism of oxidation of acetone, butanone, pentan-2-one, 3-methylbutan2-one, hexan-2-one & 4-methylpentan-2-one by acid permanganate," Indian Journal of Chemistry A, vol.
Butanone (Sigma Aldrich, 99.7%) was distilled and freeze pump thaw processed for five cycles prior to use in SMAD experiments.