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R-141b,R141b,HCFC-141b(1,1-dichloro-1-fluoroethane,dichlorofluoroethane)
Introduction:
1,1-dichloro-1-fluoroethane (dichlorofluoroethane) is produced and used as a substitute for fully halogenated chlorofluorocarbons with comparable physical properties since it has more favourable environmental properties.
It is a volatile non flammable colourless liquid, with a weak ethereal odour and is slightly soluble in water. The low octanol/water partition coefficient (Pow = 2,3) indicates a low potential for bioaccumulation. The physical properties and results of acute ecotoxicity studies indicate that dichlorofluoroethane presents a low risk to the aquatic environment.
Identity
Chemical structure :
Cl H
| |
Cl - C - C - H
| |
F H
Chemical Formula :
CCI2F-CH3
Common synonyms :
Ethane 1,1-dichloro-1-fluoro
HFA 141b, HCFC 141b, R141b
Cas Registry Number :
1717-00-6
Einecs Number :
not listed
ELINCS :
listed
TSCA :
listed
Conversion factors:
1 ppm = 4.85 mg/m3 (20oC, 1013 hPa)
1 mg/m3 = 0.206 ppm (20oC, 1013 hPa)
Main applications:
-Blowing agent for polyurethane and phenolic foams
-Solvent
