- Formula: C2H2I2
- Molecular weight: 279.8462
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: CVOGMKGEVNGRSK-UPHRSURJSA-N
- CAS Registry Number: 590-26-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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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
|Tfus||260.||K||N/A||Andrews and Keefer, 1951||Uncertainty assigned by TRC = 2. K; may be eutectic of 20% trans- and 80% cis-isomers; TRC|
Reduced pressure boiling point
|Tboil (K)||Pressure (bar)||Reference||Comment|
|345.7||0.021||Weast and Grasselli, 1989||BS|
Enthalpy of vaporization
|vapH (kJ/mol)||Temperature (K)||Method||Reference||Comment|
|46.5||317.||A||Stephenson and Malanowski, 1987||Based on data from 302. - 425. K. See also Dykyj, 1970.; AC|
|47.3||317.||N/A||Noyes, Noyes, et al., 1950||Based on data from 302. - 424. K.; AC|
Go To: Top, Phase change data, Notes
Andrews and Keefer, 1951
Andrews, L.J.; Keefer, R.M., The Argentation of Organic Iodides, J. Am. Chem. Soc., 1951, 73, 5733-5736. [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]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]
Noyes, Noyes, et al., 1950
Noyes, Richard M.; Noyes, Winninette A.; Steinmetz, Hyman, Vapor Pressures of cis and trans Disubstituted Ethylenes, J. Am. Chem. Soc., 1950, 72, 1, 33-34, https://doi.org/10.1021/ja01157a008 . [all data]
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point vapH Enthalpy of vaporization
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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