Vapour pressure of Solkane® 141b
Physico-chemical properties of Solkane® 141b
| Chemical name |
|
|
1,1-dichloro-1-fluoroethane
|
| Chemical formula |
|
|
CCl2F - CH3
|
| Molecular weight |
|
|
116.96
|
| Boiling point at |
1.013 bar |
|
32.0 °C
|
| Melting point at |
1.013 bar |
|
-103.5 °C
|
| Density of liquid at |
20 °C |
|
1.25 kg/dm3
|
| Heat of vaporization |
at boiling point |
|
235 kJ/kg
|
| Vapour pressure at |
0 °C |
|
28 kPa
|
| |
20 °C |
|
65 kPa
|
| |
50 °C |
|
184 kPa
|
| Specific heat capacity of liquid at |
20 °C |
|
1.16 kJ/kg °C
|
| Viscosity of liquid at |
20 °C |
|
0.44 mPa·s
|
| Thermal conductivity of liquid at |
20 °C |
|
0.0897 W/mK
|
| Thermal conductivity of vapour at |
20 °C |
|
0.0097 W/mK
|
| Surface tension at |
20 °C |
|
18.7 mN/m
|
| Dielectric constant at |
20 °C |
|
7.9
|
| Dielectric strength at |
20 °C |
|
87 kV/cm
|
| Refractive index at |
20 °C |
|
1.369
|
| Evaporation rate (diethyl ether = 1) |
|
|
1.3
|
| Solubility in water at |
20 °C |
|
0.27 % by weight
|
| Solubility of water in solvent at |
20 °C |
|
0.032 % by weight
|
| Kauri-Butanol index |
|
|
56
|
Quality of Solkane
The specialities Solkane CN and MA are formulated with Solkane® 141b meeting the following specification:
| Purity |
|
> 99.5 %
|
| Water content |
|
< 50 mg/kg
|
| Dry residue |
|
< 10 mg/kg
|
| Acidity as HCI |
|
< 1 mg/kg
|
| Colour |
|
< 20 APHA
|
|
