·
Linear Formula C2H5COCH3
·
Molecular Weight 72.11
·
Beilstein Registry Number 741880
Butanone, also known as methyl ethyl ketone (MEK),
is an organic compound with the formula CH3C(O)CH2CH3.
This colorless liquid ketone has a sharp, sweet odor reminiscent of butterscotch and acetone.
Detailed description
It
is produced industrially on a large scale, and also occurs in trace amounts in
nature.[5] It is soluble in water and is commonly used as an
industrial solvent.
Applications
As a solvent
Butanone is an effective and common solvent[6] and is used in
processes involving gums, resins, cellulose acetate and nitrocellulosecoatings and in vinyl films.[8] 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. It has similar solvent
properties to acetone but boils at a
higher temperature and has a significantly slower evaporation rate.[9]Butanone is also
used in dry erase markers as
the solvent of the erasable dye.
As a plastic welding agent
As butanone dissolves polystyrene and many other
plastics, it is sold as "model cement" for use in connecting parts
of scale model kits. Though
often considered an adhesive, it is actually
functioning as a welding agent in this
context.
Other uses
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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