1,1-Dichloro-1-fluoroethane

1,1-Dichloro-1-fluoroethane

Names
IUPAC name 1,1-Dichloro-1-fluoroethane
Other names Dichlorofluoroethane; R-141b; HCFC-141b
Identifiers
CAS Number	1717-00-6 Y
3D model (Jmol)	Interactive image
ChemSpider	14829 Y
ECHA InfoCard	100.100.575
PubChem	15586
UNII	O1A3ASY5PW Y
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
SMILES ClC(Cl)(F)C
Properties
Chemical formula	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]
Solubility in water	4 g/L (20 °C)[1]
Hazards
EU classification (DSD)	R52-53 - N; R59
R-phrases	R52/53 R59
S-phrases	S59 S61
Autoignition temperature	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).
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Infobox references

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).

Use

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

Physico-chemical 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