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 Chlorodifluoroethane
 Physical Properties:
| At normal temperature and pressure, HCFC-142b is a colourless gas. |
| Molecular weight |
100.5 |
Boiling point under 1.013 105Pa, |
-9.8 |
| Density of liquid at 25,kg•dm-3 |
1.096 |
| Vapor pressure at 25,MPa |
0.35 |
| Saturated vapour density at Bp.,kg•dm-3 |
206 |
| Critical temperature. |
136.45 |
| Critical pressure,MPa |
4.15 |
| Critical density,kg•dm-3 |
495 |
| Latent heat of vapourisation at Bp.,KJ•kg-1 |
- |
| Solubility at 25 |
- |
| HCFC-142b in water,% by wt |
0.14 |
| Water in HCFC-142b,%by wt |
- |
| Thermal conductivity at 25 |
- |
| Liquid, W•m-1•-1 |
- |
| Vapour under 1.013105Pa,W•m-1•-1 |
0.0133 |
ODP:
| Limited flammability (with air),% by volume |
7.8-16.8 |
Specification:
| Purity, %, min |
99.5 99.9 |
| Moisture content,mg.kg-1,max |
20 10 |
USE:
Used as refrigerant, agent for temperature controller and air-craft aerosol propellent.
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