Methyl ethyl ketone

MEK, 2-butanone, ethyl methyl ketone, methyl acetone, meetco

Methyl ethyl ketone

Formula: C4H8O | CAS: 78-93-3

Synonyms: MEK, 2-butanone, ethyl methyl ketone, methyl acetone, meetco

MEK is a solvent used in the preparation of fibres, resins, gums, lubricating oils, varnishes, films and coatings. It is used in manufacture of pharmaceuticals and cosmetics, synthetic rubber, inks and textiles.

Specification

SpecificationValue/Information
FormulaC4H8O
CAS no.78-93-3
Gas Response Factor, 11.7 eV1.2
Gas Response Factor, 10.6 eV0.96
Gas Response Factor, 10.0 eV2
ppm per mg/m⁻³, (20 °C, 1 bar)0.311
Molecular Weight, g/mole72.0
Melting point, °C-87
Boiling point, °C80
Flash point, °C-3.3
Upper Explosive Limit, %10
Lower Explosive Limit, %1.8
Density, g.cm⁻³0.805
SpecificationValue/Information
Ionisation Energy, eV9.51
EH40 TWA, ppm200
EH40 TWA, mg.m⁻³600
EH40 STEL, ppm300
EH40 STEL, mg.m⁻³899
NIOSH ST, ppm200
NIOSH TWA REL, ppm590
NIOSH ST, mg.m⁻³300
NIOSH TWA REL, mg.m⁻³885
NIOSH IDLH, ppm3000
OSHA TWA PEL, ppm200
OSHA TWA PEL, mg.m⁻³590