1,1-Dichloro-1-fluoroethane
1,1-Dichloro-1-fluoroethane is a haloalkane with the formula C
2H
3Cl
2F. It is one of the three isomers of dichlorofluoroethane. It belongs to the hydrochlorofluorocarbon family (HCFC).
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Names | |||
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IUPAC name
1,1-Dichloro-1-fluoroethane | |||
Other names
Dichlorofluoroethane; R-141b; HCFC-141b | |||
Identifiers | |||
3D model (JSmol) |
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ChemSpider | |||
ECHA InfoCard | 100.100.575 | ||
EC Number |
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PubChem CID |
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RTECS number |
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UNII | |||
UN number | 9274 | ||
CompTox Dashboard (EPA) |
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Properties | |||
C2H3Cl2F | |||
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] | ||
4 g/L (20 °C)[1] | |||
Hazards | |||
GHS pictograms | |||
GHS Signal word | Warning | ||
H412, H420 | |||
P273, P501, P502 | |||
532 °C (990 °F; 805 K)[1] | |||
Explosive limits | 5.6–17.7% vol.[1] | ||
Lethal dose or concentration (LD, LC): | |||
LD50 (median dose) |
5 g/kg (rat, oral) | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |||
verify (what is ?) | |||
Infobox references | |||
Use
1,1-Dichloro-1-fluoroethane is mainly used as a refrigerant under the names R-141b or HCFC-141b.
Physicochemical properties
It is a non-flammable, colourless liquid in atmospheric conditions. The compound is very volatile and its smell has been described as "usually ethereal".
References
- Record of 1,1-Dichloro-1-fluoroethane in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 8 February 2009.
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