|
Property
|
Unit
|
Glycerol
|
Diglycerol
|
Polyglycerol-3
|
|
Density
|
g/cm3
|
1.256
|
1.276
|
1.284
|
|
Dynamic viscosity
|
Pa.s
|
1
|
13
|
41
|
|
Refractive index
|
-
|
1.472
|
1.487
|
1.491
|
|
Dielectric constant
|
-
|
46
|
34
|
30
|
|
Boiling point
|
°C
|
290
|
205 (1.3 mbar)
|
-
|
|
Heat of dissolution in water
|
J/g
|
-62
|
-52
|
-57
|
|
Specific heat capacity
|
J/g.K
|
2.38
|
2.28
|
2.24
|
|
Thermal conductivity
|
W/m.K
|
029
|
0.28
|
0.26
|
|
Thermal expansion coefficient
|
°C-1
|
0.00052 (20-25°C)
|
0.00053 (20-60°C)
|
0.00054 (20-60°C)
|
|
Flash point
|
°C
|
199
|
230
|
260
|
|
Fire point
|
°C
|
204
|
264
|
296
|
|
Autoignition
|
°C
|
370
|
380
|
400
|
Unless otherwise noted, all results were obtained at 25°C
The data given for Diglycerol and Polyglycerol-3 correspond to typical properties of Solvay commercial products
|
