Ethane, iodo-
- Formula: C2H5I
- Molecular weight: 155.9656
- IUPAC Standard InChIKey: HVTICUPFWKNHNG-UHFFFAOYSA-N
- CAS Registry Number: 75-03-6
- 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: Ethyl iodide; Hydriodic ether; Iodoethane; Monoiodoethane; C2H5I; Ethyljodid; Jodethan; 1-Iodoethane; NSC 8825
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas Chromatography, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -1.7 ± 0.2 | kcal/mol | Ccb | Carson, Laye, et al., 1994 | |
ΔfH°gas | -2.0 | kcal/mol | Cm | Kudchadker and Kudchadker, 1979 | |
ΔfH°gas | -2.1 ± 0.2 | kcal/mol | Chyd | Ashcroft, Carson, et al., 1965 | |
ΔfH°gas | -1.3 | kcal/mol | Ccb | Springall and White, 1949 |
Condensed phase 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -9.3 ± 0.2 | kcal/mol | Ccb | Carson, Laye, et al., 1994 | ALS |
ΔfH°liquid | -9.43 ± 0.41 | kcal/mol | Chyd | Ashcroft, Carson, et al., 1965 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -9.6 ± 0.2 kcal/mol; ALS |
ΔfH°liquid | -8.4 | kcal/mol | Ccb | Springall and White, 1949 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -349.55 ± 0.1 | kcal/mol | Ccb | Carson, Laye, et al., 1994 | ALS |
ΔcH°liquid | -350.5 ± 0.5 | kcal/mol | Ccb | Springall and White, 1949 | ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
26.22 | 298.15 | Shehatta, 1993 | DH |
27.51 | 298. | Kurbatov, 1948 | T = -37 to 70°C; mean Cp, three temperatures.; DH |
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 345.5 ± 0.9 | K | AVG | N/A | Average of 12 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 162.05 | K | N/A | Timmermans and Martin, 1928 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tfus | 162.3 | K | N/A | Timmermans, 1911 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 7.660 | kcal/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 7.58 | kcal/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 313. to 353. K.; AC |
ΔvapH° | 7.62 ± 0.02 | kcal/mol | C | Wadsö, Luoma, et al., 1968 | AC |
ΔvapH° | 7.631 ± 0.005 | kcal/mol | C | Wadso, 1968 | ALS |
ΔvapH° | 7.12 ± 0.06 | kcal/mol | V | Mathews, 1926 | ALS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
7.036 | 345.6 | N/A | Majer and Svoboda, 1985 | |
8.03 | 264. | E | Stephenson and Malanowski, 1987 | Based on data from 249. to 369. K. See also Li and Rossini, 1961.; AC |
8.29 | 234. | N/A | Stull, 1947 | Based on data from 219. to 345. K.; AC |
7.6 | 278. | N/A | Milazzo, 1944 | Based on data from 254. to 293. K.; AC |
7.58 | 318. | N/A | Smyth and Engel, 1929 | Based on data from 303. to 333. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
218.8 to 345.6 | 4.07940 | 1247.135 | -39.612 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
303. to 333. | 4.00755 | 1192.892 | -48.095 | Smyth and Engel, 1929 | Coefficents calculated by NIST from author's data. |
Henry's Law 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: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
0.18 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. Value at T = 293. K. | |
0.14 | V | N/A |
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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | OV-1 | 100. | 614. | Castello and Gerbino, 1988 | He, Chromosorb W DMCS; Column length: 3. m |
Packed | OV-1 | 125. | 621. | Castello and Gerbino, 1988 | He, Chromosorb W DMCS; Column length: 3. m |
Packed | OV-1 | 75. | 607. | Castello and Gerbino, 1988 | He, Chromosorb W DMCS; Column length: 3. m |
Packed | Porapack Q | 200. | 586. | Goebel, 1982 | N2 |
Packed | Apolane | 70. | 617.6 | Riedo, Fritz, et al., 1976 | He, Chromosorb; Column length: 2.4 m |
Packed | Squalane | 27. | 591. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 598. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 609. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | SP-1000 | 100. | 901.65 | Castello and Gerbino, 1988 | He, Chromosorb W DMCS; Column length: 3. m |
Packed | SP-1000 | 125. | 899.84 | Castello and Gerbino, 1988 | He, Chromosorb W DMCS; Column length: 3. m |
Packed | SP-1000 | 75. | 896.49 | Castello and Gerbino, 1988 | He, Chromosorb W DMCS; Column length: 3. m |
Packed | Carbowax 20M | 75. | 892. | Goebel, 1982 | N2, Kieselgur (60-100 mesh); Column length: 2. m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 602. | Helmig and Greenberg, 1995 | 60. m/0.33 mm/0.25 μm, 6. K/min; Tstart: -50. C; Tend: 180. C |
Capillary | SE-54 | 616. | Weber, 1986 | 25. m/0.31 mm/0.17 μm, H2, 2. K/min; Tstart: 35. C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 881. | Peng, 2000 | 15. m/0.53 mm/1. μm, He, 40. C @ 3. min, 5. K/min, 220. C @ 30. min |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 602. | Dimov and Milina, 1989 | H2, 2. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tstart: 40. C; Tend: 280. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SPB-1 | 601. | Flanagan, Streete, et al., 1997 | 60. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C |
Capillary | DB-1 | 600. | Helmig and Greenberg, 1995 | 60. m/0.33 mm/0.25 μm; Program: not specified |
Capillary | SPB-1 | 601. | Strete, Ruprah, et al., 1992 | 60. m/0.53 mm/5.0 μm, Helium; Program: 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 876. | Peng, Yang, et al., 1991 | Program: not specified |
Capillary | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | 892. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | Carbowax 20M | 880. | Ramsey and Flanagan, 1982 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Carson, Laye, et al., 1994
Carson, A.S.; Laye, P.G.; Pedley, J.B.; Welsby, A.M.; Chickos, J.S.; Hosseini, S.,
The enthalpies of formation of iodoethane, 1,2-diiodoethane, 1,3-diiodopropane, and 1,4-diiodobutane,
J. Chem. Thermodyn., 1994, 26, 1103-1109. [all data]
Kudchadker and Kudchadker, 1979
Kudchadker, S.A.; Kudchadker, A.P.,
Ideal gas thermodynamic properties of selected bromoethanes and iodoethane,
J. Phys. Chem. Ref. Data, 1979, 8, 519-526. [all data]
Ashcroft, Carson, et al., 1965
Ashcroft, S.J.; Carson, A.S.; Carter, W.; Laye, P.G.,
Thermochemistry of reductions caused by lithium aluminium hydride. Part 3.- The C-halogen bond dissociation energies in ethyl iodine and ethyl bromide,
Trans. Faraday Soc., 1965, 61, 225-229. [all data]
Springall and White, 1949
Springall, H.D.; White, T.R.,
The heat of combustion of ethyl iodide,
Res. Corresp., 1949, 2, 296. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Shehatta, 1993
Shehatta, I.,
Heat capacity at constant pressure of some halogen compounds,
Thermochim. Acta, 1993, 213, 1-10. [all data]
Kurbatov, 1948
Kurbatov, V.Ya.,
Heat capacity of liquids. 2. Heat capacity and the temperature dependence of heat capacity from halogen derivatives of acylic hydrocarbons,
Zh. Obshch. Kim., 1948, 18, 372-389. [all data]
Timmermans and Martin, 1928
Timmermans, J.; Martin, F.,
Study of the Physical Constants of Twenty Organic Compounds of the Physical Constants of Twenty Organic Compounds,
J. Chim. Phys. Phys.-Chim. Biol., 1928, 25, 411. [all data]
Timmermans, 1911
Timmermans, J.,
Researches on the freezing point of organic liquid compounds,
Bull. Soc. Chim. Belg., 1911, 25, 300. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G.,
Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times,
Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3
. [all data]
Wadsö, Luoma, et al., 1968
Wadsö, Ingemar; Luoma, Sinikka; Olson, Thomas; Norin, Torbjörn,
Heats of Vaporization of Organic Compounds. II. Chlorides, Bromides, and Iodides.,
Acta Chem. Scand., 1968, 22, 2438-2444, https://doi.org/10.3891/acta.chem.scand.22-2438
. [all data]
Wadso, 1968
Wadso, I.,
Heats of vaporization of organic compounds II. Chlorides, bromides, and iodides,
Acta Chem. Scand., 1968, 22, 2438. [all data]
Mathews, 1926
Mathews, J.H.,
The accurate measurement of heats of vaporization of liquids,
J. Am. Chem. Soc., 1926, 48, 562-576. [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]
Li and Rossini, 1961
Li, J.C.M.; Rossini, F.D.,
Vapor Pressures and Boiling Points of the l-Fluoroalkanes, l-Chloroalkanes, l-Bromoalkanes, and l-Iodoalkanes, C 1 to C 20 .,
J. Chem. Eng. Data, 1961, 6, 2, 268-270, https://doi.org/10.1021/je60010a025
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Milazzo, 1944
Milazzo, G.,
Gazz. Chim. Ital., 1944, 74, 49. [all data]
Smyth and Engel, 1929
Smyth, C.P.; Engel, E.W.,
MOLECULAR ORIENTATION AND THE PARTIAL VAPOR PRESSURES OF BINARY MIXTURES. I. SYSTEMS COMPOSED OF NORMAL LIQUIDS,
J. Am. Chem. Soc., 1929, 51, 9, 2646-2660, https://doi.org/10.1021/ja01384a006
. [all data]
Castello and Gerbino, 1988
Castello, G.; Gerbino, T.C.,
Effect of Temperature on the Gas Chromatographic Separation of Halogenated Compounds on Polar and Non-Polar Stationary Phases,
J. Chromatogr., 1988, 437, 33-45, https://doi.org/10.1016/S0021-9673(00)90369-8
. [all data]
Goebel, 1982
Goebel, K.-J.,
Gaschromatographische Identifizierung Niedrig Siedender Substanzen Mittels Retentionsindices und Rechnerhilfe,
J. Chromatogr., 1982, 235, 1, 119-127, https://doi.org/10.1016/S0021-9673(00)95793-5
. [all data]
Riedo, Fritz, et al., 1976
Riedo, F.; Fritz, D.; Tarján, G.; Kováts, E.Sz.,
A tailor-made C87 hydrocarbon as a possible non-polar standard stationary phase for gas chromatography,
J. Chromatogr., 1976, 126, 63-83, https://doi.org/10.1016/S0021-9673(01)84063-2
. [all data]
Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E.,
Variation of the retention index with temperature on squalane substrates,
J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203
. [all data]
Helmig and Greenberg, 1995
Helmig, D.; Greenberg, J.,
Artifact formation from the use of potassium-iodide-based ozone traps during atmospheric sampling of trace organic gases,
J. Hi. Res. Chromatogr., 1995, 18, 1, 15-18, https://doi.org/10.1002/jhrc.1240180105
. [all data]
Weber, 1986
Weber, L.,
Utilization of the Sadtler standard RI system in micropollution analyses,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 8, 446-451, https://doi.org/10.1002/jhrc.1240090806
. [all data]
Peng, 2000
Peng, C.T.,
Prediction of retention indices. V. Influence of electronic effects and column polarity on retention index,
J. Chromatogr. A, 2000, 903, 1-2, 117-143, https://doi.org/10.1016/S0021-9673(00)00901-8
. [all data]
Dimov and Milina, 1989
Dimov, N.; Milina, R.,
Precalculation of gas chromatographic retention indices of linear 1-halogenoalkanes,
J. Chromatogr., 1989, 463, 159-164, https://doi.org/10.1016/S0021-9673(01)84464-2
. [all data]
Flanagan, Streete, et al., 1997
Flanagan, R.J.; Streete, P.J.; Ramsey, J.D.,
Volatile Substance Abuse, UNODC Technical Series, No 5, United Nations, Office on Drugs and Crime, Vienna International Centre, PO Box 500, A-1400 Vienna, Austria, 1997, 56, retrieved from http://www.odccp.org/pdf/technicalseries1997-01-011.pdf. [all data]
Strete, Ruprah, et al., 1992
Strete, P.J.; Ruprah, M.; Ramsey, J.D.; Flanagan, R.J.,
Detection and identification of volatile substances by headspace capillary gas chromatography to aid the diagnosis of acute poisoning,
Analyst, 1992, 117, 7, 1111-1127, https://doi.org/10.1039/an9921701111
. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Ramsey and Flanagan, 1982
Ramsey, J.D.; Flanagan, R.J.,
Detection and Identification of Volatile Organic Compounds in Blood by Headspace Gas Chromatography as an Aid to the Diagnosis of Solvent Abuse,
J. Chromatogr., 1982, 240, 2, 423-444, https://doi.org/10.1016/S0021-9673(00)99622-5
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tfus Fusion (melting) point d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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