HCFC-141b (C2H3Cl2F)
● General
- HCFC-141b is the leading substitute blowing agent for CFC-11 in rigid foam insulation materials which are widely used for residential and public constructions, home applications and transport vehicles.
● Description
▶ Molecular formula C2H3Cl2F
▶ CAS number 1717-00-6
▶ IUPAC name 1,1-Dichloro-1-fluoroethane
▶ Synomyms Dichlorofluoroethane, R-141b, HCFC-141b
● Physical Properties
| Molar mass | 116.94 g·mol−1 | |
| Appearance | Colorless liquid, ethereal odor |
| Density | 1.25 g/cm3 at 20 °C[1] | |
| Melting point | −103.5 °C (−154.3 °F; 169.7 K)[1] |
| Boiling point | 32 °C (90 °F; 305 K)[1] | |
| Solubility in water | 4 g/L (20 °C)[1] | |
| Features | Dry quickly
Non-flammable
Mild odor |
● Applications
▶ Foam agent
▶ Refrigerant
▶ Cleaning agent