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Trichlorofluoromethane, also called freon-11, CFC-11, or R-11, is a chlorofluorocarbon. It is a colorless, faint ethereal and sweetish odor liquid that boils at about ...

Molar mass of CCl3F - Chemistry Online Education


Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound.

Trichlorofluoromethane | CCl3F - PubChem


Trichlorofluoromethane is a clear light colored liquid. Nearly odorless. Denser than water. Poses low acute health hazard to humans. Primary hazard is to the ...

CFCs - The Ozone Hole


CFCs. Chlorofluorocarbon (CFC) is an organic compound that contains carbon, chlorine, and fluorine, produced as a volatile derivative of methane and ethane.

Ecological Replacements of Ozone-Depleting Substances


According to statistical data concerning the most of- ten used compounds of this kind, known as Freons: CCI3F (CFC-11) and CC12F2 (CFC-12), in the years.

Assessing the Scientific Evidence of Increasing Global Temperature ...


chlorofluorocarbons CFC-11 (CCI3F) and CFC-12. (CCI2F2) (Hansen et al., 1998 ; Schimel et al., 1996). Infrared (IR) active gases, mainly water vapor (H2O),.

Lindzen Illusion #2: Lindzen vs. Hansen - the Sleek Veneer of the ...


Apr 29, 2011 ... The annual growth of CCI3F and CCI2F2 emissions is reduced from 3%/ yr today to 2%/year in 2000 and 0 in 2010. The methane annual ...

Potential effects of halons on stratospheric O3 based on the ...


of these substances are the chlorofluorocarbons (CFCs) CCI3F (CFC-11), ... 11, respectively, whereas those of CCI3F and CC12F2 are ~ 1 (e.g. Hammitt et al.,.

Quantification of Auxiliary Blowing Agent Volatilization


90%. 80%. 70%. 60%. 60%. 40%. 30%. 20%. 10%. Figure S. Mass loss profiles - NCSU CH2CI2 and DuPont CCI3F. 740 • May 1993 • Vol. 43 • AIR & WASTE ...

Mystery of the Antarctic 'ozone hole' - Ecos


At Cape Grim, Tasmania, Australian scientists arc monitoring the atmospheric concentrations of CCI3F', CCI2F2,. CC12FCCIF2 , ond CHCIF2 (CFCs that MC.

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Pressure Temp Chart > Refrigerant Boiling Points - Airgas Refrigerants


Boiling Points. R-11. Trichlorofluoromethane. CCI3F. 74.5°F. R-113. Trichlorotrifluoroethane. CCI2FCCIF2. 117.6°F. R-123. Dichlorotrifluoroethane. CHCI2CF3.

PDF (1.9MB) - Wiley Online Library


Jan 20, 1994 ... Global trends and annual releases of CCI3F and CCIzFz ... in 1990 were 249 -+ 28 x 106 kg for CCi3F and 366 -+ 30 x 106 kg for CCI:F:. It is.

5 The Role of Halocarbons in Stratospheric Ozone Depletion ...


Ozone depletion in the stratosphere and increases in greenhouse gases in the troposphere are both subjects of growing concern--even alarm--among scientists,  ...