Shell Chemicals
: 78-93-3
CAS Registry Number
Data Sheet
Re-Issued: 15-Jan-2004
Product Name Methyl ethyl ketone
S2113
Product Code North America
Product Category Ketones
Methyl Ethyl Ketone (MEK) is a colorless, low viscosity liquid with a
Description
mild odor similar to that of acetone. It is completely miscible with
many organic liquids, but miscible with water to only a limited
extent. With natural and synthetic resins, MEK produces solutions
with low viscosity and high solids content.
Sales Property Method Min Max
Unit
Specification Purity ASTM D2804 99.5
% m/m
Color ASTM D1209 10
Pt-Co
Acidity as Acetic acid ASTM D1613 0.003
% m/m
Total Alcohols ASTM D2804 0.5
%m/m
Water ASTM D1364 0.05
% m/m
Appearance ASTM D4176 Substantially Free of
-
Suspended Matter
#Distillation, IBP ASTM D1078 79
掳C
#Distillation, DP ASTM D1078 80.5
掳C
Non Volatile Residue ASTM D1353 0.002
g/100mL
#Refractive Index ASTM D1218 1.378 1.380
-
@20掳C
#Density @20掳C ASTM D4052 0.804 0.806
g/mL
# Indicates guaranteed property with typical result on Certificate of Analysis.
COA Comments Product meets guaranteed limits, but are not routinely tested.
Conformance to specification limits is determined by ASTM E29-67,
Rounding-off method. Product as produced complies with ASTM
D740 type I and type II (Urethane Grade), USP24, and ACS 9th
1
Edition.
Unit Method
Property Value
Typical Properties
掳C ASTM D1078
Distillation, IBP 79.0
掳C ASTM D1078
Distillation, DP 80.5
掳C IP 170
Flash Point -4
(cal/cm鲁)^陆 -
Hildebrand Solubility 9.3
Parameter
g/mL Calculated
Saturated Vapor 280
Concentration @20掳C
kPa Calculated
Vapor Pressure @20掳C 9.5
kPa Calculated
Vapor Pressure @50掳C 36
- ASTM D3539
Relative Evaporation 3.7
Rate (nBuAc=1)
- ASTM D1218
Refractive Index @20掳C 1.379
mPa.s ASTM D445
Viscosity @20掳C 0.42
- ASTM D1218
Refractive Index @20掳C 1.379
掳C ASTM E659
Auto Ignition 515
Temperature
%v/v -
Explosion Limit: Lower 1.8
%v/v -
Explosion Limit: Upper 11.5
掳C ASTM D97
Pour Point -86
mN/m ASTM D971
Surface Tension @20掳C 24.7
% m/m -
Azeotrope with Water: 88.7
Solvent Content
掳C -
Azeotrope with Water: 73.4
Boiling Point
(10^-4)/掳C -
Cubic Expansion 13
Coefficient @20掳C
kJ/kg/掳C -
Specific Heat @20掳C 2.19
- -
Dielectric Constant 18.5
@20掳C
pS/m ASTM D4308
Electrical Conductivity 2*10^7
@20掳C
- ASTM D1720
Dilution Ratio: Toluene 4.1
- -
Fractional Polarity 0.510
- -
Hydrogen Bonding 10.5
Index
g/mol Calculated
Molecular Weight 72
2
Information on product storage and handling, hazards and
Health, Safety &
environmental regulation status is in the Material Data Sheet. To
Environment
obtain a Material Data Sheet, visit our website at
www.shell.com/chemicals.
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Contact
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SC: 2921-00
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