Dodecane
- Formula: C12H26
- Molecular weight: 170.3348
- IUPAC Standard InChIKey: SNRUBQQJIBEYMU-UHFFFAOYSA-N
- CAS Registry Number: 112-40-3
- 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: n-Dodecane; Adakane 12; Ba 51-090453; CH3(CH2)10CH3; Bihexyl; Dihexyl; Duodecane; NSC 8714
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Reaction thermochemistry data
Go To: Top, Henry's Law data, Gas phase ion energetics 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C12H24 + H2 = C12H26
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -29.98 ± 0.35 | kcal/mol | Chyd | Rogers and Skanupong, 1974 | liquid phase; solvent: Hexane |
ΔrH° | 30.05 ± 0.50 | kcal/mol | Chyd | Bretschneider and Rogers, 1970 | liquid phase; solvent: glacial acetic acid |
By formula: C12H26 = C12H26
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -3.04 | kcal/mol | Ccb | Melaugh, Mansson, et al., 1976 | liquid phase; Unpublished results of Zwolinski and Desai |
ΔrH° | -2.91 ± 0.33 | kcal/mol | Ccb | Melaugh, Mansson, et al., 1976 | liquid phase |
By formula: 4H2 + C12H18 = C12H26
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -131.2 ± 0.5 | kcal/mol | Chyd | Flitcroft, Skinner, et al., 1957 | liquid phase |
By formula: C12H18 + 4H2 = C12H26
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -127.3 ± 0.7 | kcal/mol | Chyd | Flitcroft, Skinner, et al., 1957 | liquid phase |
+ = C12H26O3S +
By formula: C12H26 + H2O4S = C12H26O3S + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 69.3 ± 4.0 | kcal/mol | Cm | Roth and Rist-Schumacher, 1944 | liquid phase |
Henry's Law data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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: 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 |
---|---|---|---|---|
0.00014 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
0.00014 | L | N/A |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry 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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H12+ | 10.40 | ? | EI | Lewis and Hamill, 1970 |
References
Go To: Top, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rogers and Skanupong, 1974
Rogers, D.W.; Skanupong, S.,
Heats of hydrogenation of sixteen terminal monoolefins. The alternating effect,
J. Phys. Chem., 1974, 78, 2569-2572. [all data]
Bretschneider and Rogers, 1970
Bretschneider, E.; Rogers, D.W.,
A new microcalorimeter: heats of hydrogenation of four monoolefins,
Mikrochim. Acta, 1970, 482-490. [all data]
Melaugh, Mansson, et al., 1976
Melaugh, R.A.; Mansson, M.; Rossini, F.D.,
The energy of isomerization of n-dodecane into 2,2,4,6,6-pentamethylheptane,
J. Chem. Thermodyn., 1976, 8, 623-626. [all data]
Flitcroft, Skinner, et al., 1957
Flitcroft, T.; Skinner, H.A.; Whiting, M.C.,
Heats of hydrogenation Part 1.-Dodeca-3:9 and -5:7 Diynes,
Trans. Faraday Soc., 1957, 53, 784-790. [all data]
Roth and Rist-Schumacher, 1944
Roth, W.A.; Rist-Schumacher, E.,
Beitrag zur thermochemie der sulfonsauren und saurechlorid,
Z. Electrochem., 1944, 50, 7-9. [all data]
Lewis and Hamill, 1970
Lewis, D.; Hamill, W.H.,
Excited states of neutral molecular fragments from appearance potentials by electron impact in a mass spectrometer,
J. Chem. Phys., 1970, 52, 6348. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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