1,1-Dichloro-1-fluoroethane

1,1-Dichloro-1-fluoroethane
1,1-Dichloro-1-fluoroethane
IUPAC name
1,1-Dichloro-1-fluoroethane
Other names
Dichlorofluoroethane; R-141b; HCFC-141b
Identifiers
CAS number 1717-00-6
PubChem 15586
ChemSpider 14829 YesY
Jmol-3D images Image 1
Properties
Molecular formula C2H3Cl2F
Molar mass 116.95 g mol−1
Appearance Colorless liquid, ethereal odor
Density 1.25 g/cm3 at 20 °C[1]
Melting point

-103.5 °C[1]
Boiling point

32 °C[1]
Solubility in water 4 g/L (20 °C)[1]
Hazards
EU Index 602-084-00-X
EU classification R52-53 - N; R59
R-phrases R52/53 R59
S-phrases S59 S61
Autoignition
temperature		 532 °C[1]
Explosive limits 5.6-17.7 Vol.% [1]
LD50 5 g/kg (rat, oral)
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

1,1-Dichloro-1-fluoroethane is a haloalkane with the formula C2H3Cl2F. It is one of the three isomers of dichlorofluoroethane.

Use

1,1-Dichloro-1-fluoroethane is mainly used as a refrigerant under the names R-141b or HCFC-141b.

Physico-chemical properties

  • Not flammable
  • Colourless
  • Liquid in atmospheric conditions
  • Smell: Usually ethereal
  • Very volatile
  • Liquid belongs to the hydrochlorofluorocarbon family (HCFC)

References

  1. ^ a b c d e f Record of 1,1-Dichloro-1-fluoroethane in the GESTIS Substance Database from the IFA, accessed on 8 February 2009


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