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Encyclopedia > Trichlorofluoromethane
Trichlorofluoromethane
IUPAC name Trichlorofluoromethane
Other names Trichloro(fluoro)methane, Fluorotrichloromethane, Fluorochloroform, Freon 11, CFC 11, R 11, Arcton 9, Freon 11A, Freon 11B, Freon HE, Freon MF
Identifiers
CAS number 75-69-4
PubChem 6389
EINECS number 200-892-3
RTECS number TB6125000
SMILES C(F)(Cl)(Cl)Cl
InChI InChI=1/CCl3F/c2-1(3,4)5
Properties
Molecular formula CCl3F
Molar mass 137.37 g/mol
Appearance Colorless liquid/gas
Density 1.494 g/cm3
Melting point

-110.48 °C Image File history File links This is a lossless scalable vector image. ... Image File history File links Size of this preview: 673 × 600 pixels Full resolution (1100 × 980 pixel, file size: 200 KB, MIME type: image/png) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Trichlorofluoromethane User talk:Benjah-bmm27... IUPAC nomenclature is a system of naming chemical compounds and of describing the science of chemistry in general. ... CAS registry numbers are unique numerical identifiers for chemical compounds, polymers, biological sequences, mixtures and alloys. ... PubChem is a database of chemical molecules. ... The EINECS number (for European Inventory of Existing Chemical Substances) is a registry number given to each chemical substance commercially available in the European Union between 1 January 1971 and 18 September 1981. ... RTECS, also known as Registry of Toxic Effects of Chemical Substances, is a database of toxicity information compiled from the open scientific literature that is available for charge. ... The simplified molecular input line entry specification or SMILES is a specification for unambiguously describing the structure of chemical molecules using short ASCII strings. ... The IUPAC International Chemical Identifier (InChI), developed by IUPAC and NIST, is a digital equivalent of the IUPAC name for any particular covalent compound. ... This article or section does not cite any references or sources. ... This article does not cite any references or sources. ... For other uses, see Density (disambiguation). ... The melting point of a crystalline solid is the temperature range at which it changes state from solid to liquid. ...

Boiling point

23.77 °C Italic text This article is about the boiling point of liquids. ...

Solubility in water 1.1 g/l at 20 °C
log P 2.53
Vapor pressure 89 kPa at 20 °C

131 kPa at 30 °C Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent. ... Impact from a water drop causes an upward rebound jet surrounded by circular capillary waves. ... A partition coefficient is a measure of differential solubility of a compound in two solvents. ... Vapor pressure is the pressure of a vapor in equilibrium with its non-vapor phases. ...

Hazards
Main hazards Harmful (Xn), Dangerous for the environment (N)
R-phrases R36/37/38
S-phrases S23, S26, S36
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references
R-11 redirects here, for the ballistic missile, see Scud.

Trichlorofluoromethane, also called freon-11, CFC-11, or R-11, is chlorofluorocarbon. It is a colorless, nearly odorless liquid that boils at about room temperature. The examples and perspective in this article or section may not represent a worldwide view. ... R-phrases are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous substances and preparations. ... S-phrases are defined in Annex IV of European Union Directive 67/548/EEC: Safety advice concerning dangerous substances and preparations. ... In chemistry, the standard state of a material is its state at 1 bar (100 kilopascals) and 25 degrees Celsius (298. ... For other uses, see Scud (disambiguation). ... For other uses, see CFC (disambiguation). ...

Contents

Table for physical properties

Property Value
Density (ρ) at 0 °C 1.5432 g.cm-3
Density (ρ) at 18.82 °C 1.4905 g.cm-3
Critical temperature (Tc) 198 °C (471 K)
Critical pressure (pc) 4.410 MPa (44.1 bar)
Critical density (ρc) 4.151 mol.l-1
Refractive index (n) at 20 °C, D 1.3821
Acentric factor (ω) 0.18875
Dipole moment 0.450 D
Ozone depletion potential (ODP) 1 (by definition)
Global warming potential (GWP) 4600 (CO2 = 1)
Time-series of atmospheric concentrations of CFC-11 (Walker et al., 2000).
Time-series of atmospheric concentrations of CFC-11 (Walker et al., 2000).

For other uses, see Density (disambiguation). ... For other uses, see Density (disambiguation). ... The critical temperature, Tc, of a material is the temperature above which distinct liquid and gas phases do not exist. ... The refractive index (or index of refraction) of a medium is a measure for how much the speed of light (or other waves such as sound waves) is reduced inside the medium. ... In thermodynamics, the acentric factor is a factor originally used by Pitzer as an expression in an equation for the compressibility factor. ... This article is about the electromagnetic phenomenon. ... The ODP, or Ozone Depletion Potential, of a compound is the relative amount of degradation to the ozone layer it can cause, with R-11 being fixed at an ODP of 1. ... Global warming potential (GWP) is a measure of how much a given mass of greenhouse gas is estimated to contribute to global warming. ... Carbon dioxide is a chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom. ... Image File history File links Size of this preview: 713 × 599 pixels Full resolution (1700 × 1429 pixel, file size: 81 KB, MIME type: image/png) Time series of atmospheric concentrations of CFC-11 from 1931 to 2003. ... Image File history File links Size of this preview: 713 × 599 pixels Full resolution (1700 × 1429 pixel, file size: 81 KB, MIME type: image/png) Time series of atmospheric concentrations of CFC-11 from 1931 to 2003. ...

Uses

It was the first widely used refrigerant. Because of its high boiling point (compared to most refrigerants), it can be used in systems with a low operating pressure, making the mechanical design of such systems less demanding than that of higher-pressure refrigerants R-12 or R-22. A refrigerant is a compound used in a heat cycle that undergoes a phase change from a gas to a liquid and back. ... R-phrases S-phrases , Except where noted otherwise, data are given for materials in their standard state (at 25 Â°C, 100 kPa) Infobox disclaimer and references Dichlorodifluoromethane (R-12), usually sold under the brand name Freon-12, is a chlorofluorocarbon halomethane, commonly known as CFC, used as a refrigerant and... Cl | F--C--F | H Chlorodifluoromethane or difluoromonochloromethane is a hydrochlorofluorocarbon (HCFC) with chemical formula CHClF2 and CAS number 75-45-6. ...


Because of the high chlorine content and the ease with which the chlorine atoms can be displaced when the molecule is subject to ultraviolet light, R-11 has the highest ozone depletion potential of any refrigerant, by definition assigned the value 1.0. U.S. production was ended in 1995. Note: Ultraviolet is also the name of a 1998 UK television miniseries about vampires. ... The ODP, or Ozone Depletion Potential, of a compound is the relative amount of degradation to the ozone layer it can cause, with R-11 being fixed at an ODP of 1. ...


Trichlorofluoromethane is used as a reference compound for fluorine-19 NMR studies.


See also

Tetrafluoroethane (a haloalkane) is a clear liquid which boils well below room temperature (as seen here) and can be extracted from common canned air canisters by simply inverting them during use. ... Halomethane compounds are molecules of methane (CH4) with one or more of the hydrogen atoms replaced with halogen atoms. ... For other uses, see CFC (disambiguation). ... Carbon tetrafluoride, CF4, is a carbon fluoride. ... R-phrases S-phrases , Except where noted otherwise, data are given for materials in their standard state (at 25 Â°C, 100 kPa) Infobox disclaimer and references Dichlorodifluoromethane (R-12), usually sold under the brand name Freon-12, is a chlorofluorocarbon halomethane, commonly known as CFC, used as a refrigerant and... Chlorotrifluoromethane, R-13, CFC-13, or Freon 13, is a chlorofluorocarbon (CFC). ... R-phrases , , , , S-phrases , , , , , Flash point Non flammable Supplementary data page Structure and properties n, εr, etc. ...

External links


  Results from FactBites:
 
NTP: Abstract for TR-106 Trichlorofluoromethane (478 words)
Trichlorofluoromethane, a widely used halocarbon aerosol propellant and refrigerant, was selected for bioassay by the National Cancer Institute because of widespread exposure to this compound resulting from the indiscriminate use of aerosol sprays, and the well-documented hepatocarcinogenicity of the structurally analogous compound, carbon tetrachloride.
Trichlorofluoromethane in corn oil was administered by gavage, at either of two dosages, to groups of 50 male and 50 female animals of each species, 5 days per week, over a period of 78 weeks.
The time-weighted average high and low dosages of trichlorofluoromethane in the chronic bioassay were, respectively, 977 and 488 mg/kg/day for male rats, 1,077 and 538 mg/kg/day for female rats, and 3,925 and 1,962 mg/kg/day for mice of both sexes.
Trichlorofluoromethane. TOXNET profile from Hazardous Substances Data Base. (15191 words)
Trichlorofluoromethane was released as emissions or in wastewater during its production, storage, transport and use as a foaming agent for polyurethane foams, degreaser and solvent, especially in the aerospace and electronics industries, and as a fire extinguishing agent(1-3).
Trichlorofluoromethane is not expected to undergo hydrolysis in the environment due to the lack of hydrolyzable functional groups(7), however the rate is greatly affected by the presence of metals such as steel which act as catalysts(8).
The Koc of trichlorofluoromethane is estimated as 97(SRC), using a water solubility of 1,100 mg/l at 20 deg C(1) and a regression-derived equation(2).
  More results at FactBites »


 

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