Methyl Isobutyl Ketone                 General, Process, Technology, Project, Applications, Products, Market, Report, Consultant, Company Profiles                                                Primary Information Services                                                   Home. Ordering Information. Contact

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General

  • Methyl isobutyl ketone (MIBK) is a colorless liquid with an odor similar to mothballs.

  • MIBK is also known as 4-methyl-2-pentanone, hexone and isopropylacetone.

  • MIBK occurs naturally in oranges, grapes and vinegar.

  • MIBK is usually in liquid form, MIBK can change into a gas. MIBK will dissolve in water, alcohols, benzenes and ethers.

Process

  • Acetone is first converted to diacetone alcohol (DAA) by aldol condensation of acetone over basic or acid catalysts, DAA is dehydrated to mesityl oxide (MO) and MO is selective hydrogenated to MIBK over nickel, copper or noble metal catalysts

  • Direct conversion of acetone into MIBK can be performed by liquid phase processes, using palladium on a great variety of supports, with conversions between 30 and 40% and high selectivities

  • Gas-phase processes operating at atmospheric pressure are potentially much more simple and cheap. However, lower selectivities to MIBK than those observed for liquid phase processes have been observed (60-80%), along with a more pronounced deactivation of the catalyst, especially when acid supports are used.

Application

  • MIBK is used as a solvent in factories that produce paints, rubber products, chemicals and machinery. As a solvent, it is used in pesticide application. Pharmaceutical companies that produce prescription drugs also use MIBK. 

  • MIBK is also used in insecticides that control garden insects, greases and oil used as lubricants, automotive chemicals, pet flea and tick products, shoe polish, wood office furniture, and clear finishes, undercoats and primers.

  • Methyl isobutyl ketone (MIBK) can be used to extract gold, silver and other precious metals from cyanide solutions, such as those found on gold mines, to determine the levels of those dissolved metals. Another solution used for this purpose is Di Iso Butyl Ketone (DIBK).

Market

  • Demand for MiBK globally is estimated to exceed 300 000 tons per year.
  • Global demand for MIBK was 287 000 tonne. Asia-Pacific is the largest consumer with demand of 78 500 tonne/year, followed by the US with 62 000 tonne/year, then western Europe with 56 000 tonne/year.

Report

  • MIBK is a Food and Drug Administration (FDA)-approved indirect food additive for adhesives, paper and paperboard, and polymers.
  • The CS spray used by police forces in the UK consists of a 5% (w/v) solution of CS in MIBK, comprising 1.5 grams (g) of CS dissolved in a total volume of 30 millilitres (ml), contained in a canister with nitrogen as a propellant.

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