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^Y
PubChem	15586
ChemSpider	14829^Y
Jmol-3D images	Image 1
SMILES ClC(Cl)(F)C
InChI InChI=1S/C2H3Cl2F/c1-2(3,4)5/h1H3^Y Key: FRCHKSNAZZFGCA-UHFFFAOYSA-N^Y InChI=1/C2H3Cl2F/c1-2(3,4)5/h1H3 Key: FRCHKSNAZZFGCA-UHFFFAOYAI
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)
Y (verify) (what is: Y/N?) 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.

^ ^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