Ethene, 1,1-difluoro-

• Formula: C₂H₂F₂
• Molecular weight: 64.0341
• IUPAC Standard InChI: InChI=1S/C2H2F2/c1-2(3)4/h1H2 Copy

  
• IUPAC Standard InChIKey: BQCIDUSAKPWEOX-UHFFFAOYSA-N Copy
• CAS Registry Number: 75-38-7
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Ethylene, 1,1-difluoro-; Genetron 1132a; Vinylidene difluoride; Vinylidene fluoride; 1,1-Difluoroethene; 1,1-Difluoroethylene; CH2=CF2; Halocarbon 1132A; NCI-C60208; UN 1959; VDF; FC 1132a
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• Information on this page:
  • Phase change data
  • Reaction thermochemistry data
  • Ion clustering data
  • IR Spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Henry's Law data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

 +  = ( • )

By formula: F^- + C₂H₂F₂ = (F^- • C₂H₂F₂)

Ion clustering data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

 +  = ( • )

By formula: F^- + C₂H₂F₂ = (F^- • C₂H₂F₂)

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• GAS (50 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH II) FROM HARD COPY; 2 cm^-1 resolution
• SOLUTION, SATURATED (CCl4 FOR 3800-1330, CS2 FOR 1330-500 CM^-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas

Gas Chromatography

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Tsiklis and Prokhorov, 1967
Tsiklis, D.S.; Prokhorov, V.M., Phase equilibria in systems containing fluorine compounds, Zh. Fiz. Khim., 1967, 41, 2195-9. [all data]

Mears, Stahl, et al., 1955
Mears, W.H.; Stahl, R.F.; Orfeo, S.R.; Shair, R.C.; Kells, L.F.; Thompson, W.; McCann, H., Thermodynamic Properties of Halogenated Ethanes and Ethylenes, Ind. Eng. Chem., 1955, 47, 1449. [all data]

Mears, Stahl, et al., 1955, 2
Mears, Whitney H.; Stahl, Richard F.; Orfeo, S. Robert; Shair, Robert C.; Kells, Lyman F.; Thompson, Walter; McCann, Harold, Thermodynamic Properties of Halogenated Ethanes and Ethylenes, Ind. Eng. Chem., 1955, 47, 7, 1449-1454, https://doi.org/10.1021/ie50547a052 . [all data]

Sullivan and Beauchamp, 1976
Sullivan, S.A.; Beauchamp, J.L., Competition between proton transfer and elimination in the reactions of strong bases with fluoroethanes in the gas phase. Influence of base strength on reactivity, J. Am. Chem. Soc., 1976, 98, 1160. [all data]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Zenkevich and Rodin, 2004
Zenkevich, I.G.; Rodin, A.A., Gas chromatographic identification of some volatile toxic fluorine containing compounds by precalculated retention indices, J. Ecol. Chem. (Rus.), 2004, 13, 1, 22-28. [all data]

Notes

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• Symbols used in this document:
  

  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization
  ρc	Critical density

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