Ethane, 1,1,2,2-tetrafluoro-
- Formula: C2H2F4
- Molecular weight: 102.0309
- IUPAC Standard InChI: InChI=1S/C2H2F4/c3-1(4)2(5)6/h1-2H
- IUPAC Standard InChIKey: WXGNWUVNYMJENI-UHFFFAOYSA-N
- CAS Registry Number: 359-35-3
- 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: Freon 134; R 134; 1,1,2,2-Tetrafluoroethane; CHF2CHF2
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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 250. | K | N/A | PCR Inc., 1990 | BS |
| Tboil | 250.15 | K | N/A | Eiseman, 1959 | Uncertainty assigned by TRC = 0.5 K; TRC |
| Tboil | 250. | K | N/A | Young, Fukuhara, et al., 1940 | Uncertainty assigned by TRC = 3. K; TRC |
| Tboil | 250. | K | N/A | Henne and Renoll, 1936 | Uncertainty assigned by TRC = 4. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Tc | 391.74 | K | N/A | Tatoh, Kuwabara, et al., 1993 | Uncertainty assigned by TRC = 0.05 K; ITS-90; TRC |
| Tc | 391.8 | K | N/A | Chae, Schmidt, et al., 1990 | Uncertainty assigned by TRC = 0.5 K; by extrapolation to equality of L and G refr. index; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ρc | 5.25 | mol/l | N/A | Tatoh, Kuwabara, et al., 1993 | Uncertainty assigned by TRC = 0.03 mol/l; TRC |
| ρc | 5.24 | mol/l | N/A | Chae, Schmidt, et al., 1990 | Uncertainty assigned by TRC = 0.08 mol/l; derived from obs L and G refractive index; TRC |
Gas Chromatography
Go To: Top, Phase change data, 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
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Polydimethyl siloxane: CP-Sil 5 CB | 248. | Bramston-Cook, 2013 | 60. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min |
References
Go To: Top, Phase change data, Gas Chromatography, 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]
Eiseman, 1959
Eiseman, B.J.,
Why Refrigerant 22 should be favored for Absorption refrigeration,
ASHRAE J., 1959, 1, 12, 45. [all data]
Young, Fukuhara, et al., 1940
Young, D.W.S.; Fukuhara, N.; Bigelow, L.A.,
The Action of Elementary Fluorine Upon Organic Compounds VIII. The Influence of Dilution on the Vapor Phase Fluorination of Ethane,
J. Am. Chem. Soc., 1940, 62, 1171. [all data]
Henne and Renoll, 1936
Henne, A.L.; Renoll, M.W.,
Fluoro Derivatives of Ethane and Enthylene IV.,
J. Am. Chem. Soc., 1936, 58, 887. [all data]
Tatoh, Kuwabara, et al., 1993
Tatoh, J.; Kuwabara, S.; Sato, H.; Watanabe, K.,
Measurements of the vapor-liquid coexistence curve in the critical region and the critical parameters of 1,1,2,2-tetrafluoroethane,
J. Chem. Eng. Data, 1993, 38, 116-18. [all data]
Chae, Schmidt, et al., 1990
Chae, H.B.; Schmidt, J.W.; Moldover, M.R.,
Alternative refrigerants R123a, R134, R141b, R142b, and R152a: critical temperature, refractive index, surface tension, and estimates of liquid, vapor, and critical densities,
J. Phys. Chem., 1990, 94, 8840-5. [all data]
Bramston-Cook, 2013
Bramston-Cook, R.,
Kovats indices for C2-C13 hydrocarbons and selected oxygenated/halocarbons with 100 % dimethylpolysiloxane columns, 2013, retrieved from http://lotusinstruments.com/monographs/List .... [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tc Critical temperature ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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