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Methyl Ethyl Ketone
Other Names: Ethyl methyl ketone, 2-butanone, MEK
Formula: CH3COC2H5
Sp. Gr.: 0.82
Vapor Pressure: Approximately 90mm Hg. absolute at 21ºC / 70ºF
Viscosity: 0.4 cPs. / 2.22 SSU
Remarks: Colorless liquid; acetone-like ordor; flammable. b.p. 80ºC / 176ºF, m.p. -86ºC / -122ºF, flash point -4ºC / 24ºF. Soluble in water, alcohol and ether. Miscible with oil. Used in lacquers, dewaxing of lubricating oils, paint removers, in adhesives, dopes, manufacture of smokeless powder, in cleaning fluids and printing. Flammable.
Pump Notes: Cast iron construction is satisfactory. PTFE or Kalrez® elastomers are recommended as is a mechanical shaft seal.
Kalrez® is a registered trademark of DuPont Dow Elastomers®, L.L.C.