2
TYPICAL
PHYSICAL PROPERTIES
Dimethyl
Sulfone, Methylsulfonylmethane*, Methyl Sulfone
Boiling
point (at 760 mm Hg )
248°C
(478°F)
Conductivity
0.47X10
-4
ohm
-1
cm
-1
Density,
D110/4
1.1702
gm/cc
Dielectric
constant (110°C)
47.39
MHZ
Dipole
moment (20°C)
4.25
Debye
Flash
point (Cleveland Open Cup)
143°C
(290°F)
Hansen
Solubility Parameters
Polar
Hydrogen bonding
Non-polar
9.5
6.0
9.3
Heat
of combustion (25°C) constant volume
-429.42
kcal/mole
Heat
of formation (180°C)
-107.5
kcal/mole
Heat
of fusion (9°C)
4.374
kcal/mole
Heat
of sublimation (25°C, at 760 mm Hg )
18.4
kcal/mole
Heat
of vaporization (25°C)
15.1
kcal/mole
Index
of refraction (20°C)
1.4226
Melting
Point at 760 mm Hg
109°C
(228°F)
Molecular
weight
94.13
Physical
state
white,
crystalline solid
Solubility
parameter
14.5
Specific
gravity (26°C)
1.450--
1.455
Specific
heat (121°C) liquid
0.53
cal/gm/°C
Specific
heat (25°C) solid
0.31
cal/gm/°C
Surface
Tension
60.15
dynes/cm
Vapor
pressure
(112°C)
(250°C)
8.6 mm Hg
769.4 mm Hg
Viscosity,
(125°C )
1.140
cP
*International
Union of Chemistry