Ethene, 1,1-difluoro-
- Formula: C2H2F2
- Molecular weight: 64.0341
- IUPAC Standard InChIKey: BQCIDUSAKPWEOX-UHFFFAOYSA-N
- 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
The 3d structure may be viewed using Java or Javascript. - 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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Phase change data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), References, Notes
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 190. | K | N/A | PCR Inc., 1990 | BS |
Tboil | 190.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 302.74 | K | N/A | Tsiklis and Prokhorov, 1967 | TRC |
Tc | 303.25 | K | N/A | Mears, Stahl, et al., 1955 | Uncertainty assigned by TRC = 0.7 K; by sealed tube method; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 43.7534 | atm | N/A | Mears, Stahl, et al., 1955 | Uncertainty assigned by TRC = 1.0888 atm; from vapor pressure equation at Tc; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 6.40 | mol/l | N/A | Tsiklis and Prokhorov, 1967 | Vis in pVT apparatus, Khodeeva and Lebedeva Russ. J. Phys. Chem. 1966, 40, 1668.; TRC |
ρc | 6.51 | mol/l | N/A | Mears, Stahl, et al., 1955 | Uncertainty assigned by TRC = 0.23 mol/l; rectilinear diameters; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
3.15 | 233. | BG | Mears, Stahl, et al., 1955, 2 | AC |
2.3 | 273. | BG | Mears, Stahl, et al., 1955, 2 | AC |
IR Spectrum
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
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
Mass spectrum (electron ionization)
Go To: Top, Phase change data, IR Spectrum, References, Notes
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
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 19017 |
References
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes
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]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature ΔvapH Enthalpy of vaporization ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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