Isoprene
- Formula: C5H8
- Molecular weight: 68.1170
- IUPAC Standard InChIKey: RRHGJUQNOFWUDK-UHFFFAOYSA-N
- CAS Registry Number: 78-79-5
- 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: 1,3-Butadiene, 2-methyl-; β-Methylbivinyl; Isopentadiene; 2-Methyl-1,3-butadiene; 2-Methylbutadiene; CH2=C(CH3)CH=CH2; 2-Methylbuta-1,3-diene; 3-Methyl-1,3-butadiene; NSC 9237
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 75.7 ± 1.0 | kJ/mol | Cm | Fraser and Prosen, 1955 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°gas | -3186.6 ± 0.96 | kJ/mol | Cm | Fraser and Prosen, 1955 | Corresponding ΔfHºgas = 75.73 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 314.76 | J/mol*K | N/A | Messerly J.F., 1970 | GT |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
36.28 | 50. | Thermodynamics Research Center, 1997 | Values of S(T) and Cp(T) from other statistical mechanics calculation [ Compton D.A.C., 1977] are in close agreement with recommended ones.; GT |
47.75 | 100. | ||
60.95 | 150. | ||
74.81 | 200. | ||
95.64 | 273.15 | ||
102.69 | 298.15 | ||
103.21 | 300. | ||
129.59 | 400. | ||
152.16 | 500. | ||
171.03 | 600. | ||
186.95 | 700. | ||
200.6 | 800. | ||
212.3 | 900. | ||
222.5 | 1000. | ||
231.3 | 1100. | ||
238.9 | 1200. | ||
245.5 | 1300. | ||
251.2 | 1400. | ||
256.2 | 1500. |
Condensed phase thermochemistry data
Go To: Top, Gas 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 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 |
---|---|---|---|---|---|
ΔcH°liquid | -3158.2 ± 1.6 | kJ/mol | Ccb | Jessup, 1938 | Reanalyzed by Cox and Pilcher, 1970, Original value = -3156.9 ± 1.6 kJ/mol; Corresponding ΔfHºliquid = 47.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 228.28 | J/mol*K | N/A | Messerly, Todd, et al., 1970 | DH |
S°liquid | 229.2 | J/mol*K | N/A | Warfield and Petree, 1965 | DH |
S°liquid | 229.3 | J/mol*K | N/A | Bekkedahl and Wood, 1937 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
151.08 | 298.15 | Messerly, Todd, et al., 1970 | T = 12 to 320 K.; DH |
152.5 | 298.15 | Warfield and Petree, 1965 | T = 20 to 300 K. A reexamination of 37BEK/WOO.; DH |
152.6 | 298.2 | Bekkedahl and Wood, 1937 | T = 20 to 300 K.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 307. ± 2. | K | AVG | N/A | Average of 17 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 131. ± 20. | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 127.27 | K | N/A | Messerly, Todd, et al., 1970, 2 | Uncertainty assigned by TRC = 0.05 K; TRC |
Ttriple | 126.4 | K | N/A | Bekkedahl and Wood, 1937, 2 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 26.4 | kJ/mol | N/A | Reid, 1972 | AC |
ΔvapH° | 26.8 ± 0.3 | kJ/mol | V | Rogers, 1971 | ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
29.4 | 239. | A | Stephenson and Malanowski, 1987 | Based on data from 221. to 254. K.; AC |
28.3 | 269. | A | Stephenson and Malanowski, 1987 | Based on data from 254. to 316. K.; AC |
31.5 | 225. | IP | Osborn and Douslin, 1969 | Based on data from 216. to 235. K.; AC |
27.3 | 299. | MM | Forziati, Camin, et al., 1950 | Based on data from 290. to 308. K.; AC |
27.4 | 288. | N/A | Kuchinskaya, 1938 | Based on data from 258. to 318. K.; AC |
25.8 | 307.2 | V | Bekkedahl, Wood, et al., 1936 | ALS |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
215.6 to 234.92 | 4.08822 | 1108.151 | -35.731 | Osborn and Douslin, 1969 | Coefficents calculated by NIST from author's data. |
289.9 to 307. | 3.21586 | 706.92 | -87.046 | Gubkov, Fermor, et al., 1964 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.9246 | 127.27 | Messerly, Todd, et al., 1970 | DH |
4.830 | 126.4 | Warfield and Petree, 1965 | DH |
4.830 | 126.4 | Bekkedahl and Wood, 1937 | DH |
4.92 | 127.3 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
38.694 | 127.27 | Messerly, Todd, et al., 1970 | DH |
38.21 | 126.4 | Warfield and Petree, 1965 | DH |
38.21 | 126.4 | Bekkedahl and Wood, 1937 | DH |
Henry's Law data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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: 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 |
---|---|---|---|---|
0.028 | M | N/A | missing citation also measured solubilities in salt solutions. | |
0.013 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
0.013 | L | N/A | ||
0.013 | V | N/A |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-1 | 27. | 496. | Heberger, 1990 | 25. m/0.25 mm/0.50 μm, He |
Capillary | OV-1 | 30. | 508. | Heberger, 1990 | 25. m/0.25 mm/0.50 μm, He |
Capillary | OV-1 | 75. | 506. | Heberger, 1990 | 25. m/0.25 mm/0.50 μm, He |
Packed | Squalane | 70. | 499. | Safina, Poznyak, et al., 1989 | He, Risorb (0.2-0.3 mm); Column length: 2. m |
Capillary | Squalane | 50. | 497.5 | Papazova, Milina, et al., 1988 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | SE-30 | 80. | 507. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Capillary | Squalane | 50. | 497.6 | Bajus, Veselý, et al., 1979 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 491.5 | Bajus, Veselý, et al., 1979 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 27. | 495.70 | Schomburg and Dielmann, 1973 | Column length: 100. m; Column diameter: 0.25 mm |
Packed | Squalane | 27. | 496. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 497. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 501. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 501. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | SE-30 | 70. | 507. | Widmer, 1967 | Diatoport S; Column length: 7.9 m |
Packed | Squalane | 26. | 499. | Zulaïca and Guiochon, 1966 | Column length: 10. m |
Packed | Apiezon L | 130. | 514. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Packed | Apiezon L | 70. | 511. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH-100 | 506. | Haagen-Smit Laboratory, 1997 | He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min) |
Capillary | DB-1 | 504. | Hoekman, 1993 | 60. m/0.32 mm/1.0 μm, He; Program: -40 C for 12 min; -40 - 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 - 220 C at 20 deg/min; hold 220 C for 2 min |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Carbowax 20M | 130. | 624. | Widmer, 1967 | Diatoport P; Column length: 7.9 m |
Packed | Carbowax 20M | 70. | 602. | Widmer, 1967 | Diatoport P; Column length: 7.9 m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 502.2 | Helmig, Klinger, et al., 1999 | 60. m/0.32 mm/1. μm, -50. C @ 2. min, 6. K/min; Tend: 175. C |
Capillary | DB-1 | 504. | Helmig, Pollock, et al., 1996 | 30. m/0.25 mm/1. μm, 6. K/min; Tstart: -50. C; Tend: 180. C |
Capillary | DB-5 | 520. | Helmig, Pollock, et al., 1996 | 60. m/0.33 mm/0.25 μm, 6. K/min; Tstart: -50. C; Tend: 180. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 70. | 497. | Schomburg, 1966 |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane: CP-Sil 5 CB | 504. | 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 |
Capillary | Petrocol DH | 505. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Capillary | Methyl Silicone | 502.95 | Baraldi, Rapparini, et al., 1999 | 60. m/0.25 mm/0.25 μm, 40. C @ 10. min, 5. K/min; Tend: 220. C |
Capillary | OV-101 | 500. | Orav, Kailas, et al., 1999 | 50. m/0.20 mm/0.50 μm, Helium, 30. C @ 6. min, 1. K/min; Tend: 100. C |
Capillary | OV-101 | 502. | Chupalov and Zenkevich, 1996 | N2, 3. K/min; Column length: 52. m; Column diameter: 0.26 mm; Tstart: 50. C; Tend: 220. C |
Capillary | DB-1 | 503. | Ciccioli, Cecinato, et al., 1992 | 60. m/0.32 mm/1.2 μm, He, 30. C @ 10. min, 3. K/min; Tend: 240. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 504. | Blunden, Aneja, et al., 2005 | 60. m/0.32 mm/1.0 μm, Helium; Program: -50 0C (2 min) 8 0C/min -> 200 0C (7.75 min) 25 0C -> 225 0C (8 min) |
Capillary | PONA | 506. | Perkin Elmer Instruments, 2002 | Column length: 100. m; Phase thickness: 0.50 μm; Program: not specified |
Capillary | OV-101 | 502. | Zenkevich, 1998 | He; Column length: 25. m; Column diameter: 0.20 mm; Program: not specified |
Capillary | OV-101 | 503. | Zenkevich, 1998 | He; Column length: 25. m; Column diameter: 0.20 mm; Program: not specified |
Capillary | SPB-1 | 504. | 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 | 503. | Ciccioli, Cecinato, et al., 1994 | 60. m/0.32 mm/0.25 μm; Program: not specified |
Capillary | DB-1 | 503. | Ciccioli, Brancaleoni, et al., 1993 | 60. m/0.32 mm/0.25 μm; Program: 3 min at 5 C; 5 - 50 C at 3 deg/min; 50 - 220 C at 5 deg/min |
Capillary | SPB-1 | 504. | 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 | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | 633. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; 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.
Fraser and Prosen, 1955
Fraser, F.M.; Prosen, E.J.,
Heats of combustion and isomerization of six pentadienes and spiropentane,
J. Res. NBS, 1955, 54, 143-148. [all data]
Messerly J.F., 1970
Messerly J.F.,
Chemical thermodynamic properties of the pentadienes. Third law studies,
J. Chem. Eng. Data, 1970, 15, 227-232. [all data]
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Compton D.A.C., 1977
Compton D.A.C.,
Conformations of conjugated hydrocarbons. Part 2. A spectroscopic and thermodynamic study of cis- and trans-penta-1,3-diene,
J. Chem. Soc. Perkin Trans. 2, 1977, 1311-1315. [all data]
Jessup, 1938
Jessup, R.S.,
Heat of combustion of isoprene,
J. Res. NBS, 1938, 20, 589-597. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Messerly, Todd, et al., 1970
Messerly, J.F.; Todd, S.S.; Guthrie, G.B.,
Chemical thermodynamic properties of the pentadienes,
J. Chem. Eng. Data, 1970, 15, 227-232. [all data]
Warfield and Petree, 1965
Warfield, R.W.; Petree, M.C.,
Thermodynamic properties of natural rubber and isoprene,
Die Makromol. Chemie, 1965, 84, 1-8. [all data]
Bekkedahl and Wood, 1937
Bekkedahl, N.; Wood, L.A.,
Entropy of isoprene from heat-capacity measurements,
J. Res. NBS, 1937, 19, 551-558. [all data]
Messerly, Todd, et al., 1970, 2
Messerly, J.F.; Todd, S.S.; Guthrie, G.B.,
Chemical thermodynamic properties of the pentadienes. Third law studies.,
J. Chem. Eng. Data, 1970, 15, 227-32. [all data]
Bekkedahl and Wood, 1937, 2
Bekkedahl, N.; Wood, L.A.,
Entropy of isoprene from heat-capacity measurements.,
J. Res. Natl. Bur. Stand. (U. S.), 1937, 19, 551. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [all data]
Rogers, 1971
Rogers, F.E.,
Thermochemistry of the Diels-Alder reaction. I. Enthalpy of addition of isoprene to tetracyanoethylene,
J. Phys. Chem., 1971, 75, 1734-1737. [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]
Osborn and Douslin, 1969
Osborn, Ann G.; Douslin, Donald R.,
Vapor pressure relations for the seven pentadienes,
J. Chem. Eng. Data, 1969, 14, 2, 208-209, https://doi.org/10.1021/je60041a010
. [all data]
Forziati, Camin, et al., 1950
Forziati, A.F.; Camin, D.L.; Rossini, F.D.,
Density, refractive index, boiling point, and vapor pressure of eight monoolefin (1-alkene), six pentadiene, and two cyclomonoolefin hydrocarbons,
J. RES. NATL. BUR. STAN., 1950, 45, 5, 406, https://doi.org/10.6028/jres.045.044
. [all data]
Kuchinskaya, 1938
Kuchinskaya, K.,
Vapor pressures of pure substances,
Sbornik Trudov Opytnogo Zavoda im. Akad. S. V. Lebedeva, 1938, 27-30. [all data]
Bekkedahl, Wood, et al., 1936
Bekkedahl, N.; Wood, L.A.; Wojciechowski, M.,
Some physical properties of isoprene,
J. Res. NBS, 1936, 17, 883-894. [all data]
Gubkov, Fermor, et al., 1964
Gubkov, A.N.; Fermor, N.A.; Smirnov, N.I.,
Vapor Pressure of Mono-Poly Systems,
Zh. Prikl. Khim. (Leningrad), 1964, 37, 2204-2210. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Heberger, 1990
Heberger, K.,
Identification of C5H8 Isomers Through Reactions of Singlet Methylene, CH2(ã1A1), with Unsaturated Hydrocarbons Using Capillary Gas Chromatography - Mass Spectrometry,
Analyst, 1990, 115, 6, 725-729, https://doi.org/10.1039/an9901500725
. [all data]
Safina, Poznyak, et al., 1989
Safina, L.R.; Poznyak, T.I.; Lisitsyn, D.M.; Kiseleva, E.V.; Kovalev, G.I.,
Selective gas-chromatographic determination of trace unsaturated and aromatic-hydrocarbons in complex-mixtures,
J. Appl. Chem. USSR (Engl. Transl.), 1989, 44, 5, 749-754. [all data]
Papazova, Milina, et al., 1988
Papazova, D.; Milina, R.; Dimov, N.,
Comparative evaluation of retention of hydrocarbons present in the C5-petroleum fraction of methylsilicone and squalane phases,
Chromatographia, 1988, 25, 3, 177-180, https://doi.org/10.1007/BF02316441
. [all data]
Bredael, 1982
Bredael, P.,
Retention indices of hydrocarbons on SE-30,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1982, 5, 6, 325-328, https://doi.org/10.1002/jhrc.1240050610
. [all data]
Bajus, Veselý, et al., 1979
Bajus, M.; Veselý, V.; Leclercq, P.A.; Rijks, J.A.,
Steam cracking of hydrocarbons. 2. Pyrolysis of methylcyclohexane,
Ind. Eng. Chem. Prod. Res. Dev., 1979, 18, 2, 135-142, https://doi.org/10.1021/i360070a012
. [all data]
Schomburg and Dielmann, 1973
Schomburg, G.; Dielmann, G.,
Identification by means of retention parameters,
J. Chromatogr. Sci., 1973, 11, 3, 151-159, https://doi.org/10.1093/chromsci/11.3.151
. [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]
Widmer, 1967
Widmer, H.,
Gas chromatographic identification of hydrocarbons using retention indices,
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. [all data]
Zulaïca and Guiochon, 1966
Zulaïca, J.; Guiochon, G.,
Analyse des hauts polymères par chromatographie en phase gazeuse de leurs produits de pyrolyse. II. Application à quelques hydrocarbures macromoléculaires purs,
Bull. Soc. Chim. Fr., 1966, 4, 1351-1363. [all data]
Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E.,
Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen,
Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745
. [all data]
Haagen-Smit Laboratory, 1997
Haagen-Smit Laboratory,
Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22. [all data]
Hoekman, 1993
Hoekman, S.K.,
Improved gas chromatography procedure for speciated hydrocarbon measurements of vehicle emissions,
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. [all data]
Helmig, Klinger, et al., 1999
Helmig, D.; Klinger, L.F.; Guenther, A.; Vierling, L.; Geron, C.; Zimmerman, P.,
Biogenic volatile organic compound emissions (BVOCs). I. Identifications from three continental sites in the U.S.,
Chemosphere, 1999, 38, 9, 2163-2187, https://doi.org/10.1016/S0045-6535(98)00425-1
. [all data]
Helmig, Pollock, et al., 1996
Helmig, D.; Pollock, W.; Greenberg, J.; Zimmerman, P.,
Gas chromatography mass spectrometry analysis of volatile organic trace gases at Mauna Loa Observatory, Hawaii,
J. Geophys. Res., 1996, 101, D9, 14697-14710, https://doi.org/10.1029/96JD00212
. [all data]
Schomburg, 1966
Schomburg, G.,
Gaschromatographische Retentionsdaten und Struktur Chemischer Verbindungen. II. Methylverzweigungen und Doppelbindungen in Offenkettigen Kohlenwasserstoffen,
J. Chromatogr., 1966, 23, 1-17, https://doi.org/10.1016/S0021-9673(01)98652-2
. [all data]
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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,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid S°gas Entropy of gas at standard conditions S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔcH°gas Enthalpy of combustion of gas at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion 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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