Trichlorofluoromethane
A type of chlorofluorocarbon / From Wikipedia, the free encyclopedia
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Trichlorofluoromethane, also called freon-11, CFC-11, or R-11, is a chlorofluorocarbon (CFC). It is a colorless, faintly ethereal, and sweetish-smelling liquid that boils around room temperature.[5] CFC-11 is a Class 1 ozone-depleting substance which damages Earth's protective stratospheric ozone layer.[6] Also R-11 is not flammable at ambient temperature and pressure but it can become very combustible if heated and ignited by a strong ignition source.
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Quick Facts Names, Identifiers ...
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Names | |||
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Preferred IUPAC name
Trichloro(fluoro)methane | |||
Other names
Trichlorofluoromethane Fluorotrichloromethane Fluorochloroform Freon 11 CFC 11 R 11 Arcton 9 Freon 11A Freon 11B Freon HE Freon MF | |||
Identifiers | |||
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3D model (JSmol) |
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ChEMBL | |||
ChemSpider |
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ECHA InfoCard | 100.000.812 ![]() | ||
EC Number |
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PubChem CID |
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RTECS number |
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Properties | |||
CCl3F | |||
Molar mass | 137.36 g·mol−1 | ||
Appearance | Colorless liquid/gas | ||
Odor | nearly odorless[1] | ||
Density | 1.494 g/cm3 | ||
Melting point | −110.48 °C (−166.86 °F; 162.67 K) | ||
Boiling point | 23.77 °C (74.79 °F; 296.92 K) | ||
1.1 g/L (at 20 °C) | |||
log P | 2.53 | ||
Vapor pressure | 89 kPa at 20 °C 131 kPa at 30 °C | ||
Thermal conductivity | 0.0079 W m−1 K−1 (gas at 300 K, ignoring pressure dependence)[2][verification needed] | ||
Hazards | |||
GHS labelling:[3] | |||
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Warning | |||
H420 | |||
P502 | |||
Flash point | Non-flammable | ||
Lethal dose or concentration (LD, LC): | |||
LCLo (lowest published) |
26,200 ppm (rat, 4 hr) 100,000 ppm (rat, 20 min) 100,000 ppm (rat, 2 hr)[4] | ||
NIOSH (US health exposure limits): | |||
PEL (Permissible) |
TWA 1000 ppm (5600 mg/m3)[1] | ||
REL (Recommended) |
C 1000 ppm (5600 mg/m3)[1] | ||
IDLH (Immediate danger) |
2000 ppm[1] | ||
Safety data sheet (SDS) | ICSC 0047 | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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