Docosane
- Formula: C22H46
- Molecular weight: 310.6006
- IUPAC Standard InChI: InChI=1S/C22H46/c1-3-5-7-9-11-13-15-17-19-21-22-20-18-16-14-12-10-8-6-4-2/h3-22H2,1-2H3
- IUPAC Standard InChIKey: HOWGUJZVBDQJKV-UHFFFAOYSA-N
- CAS Registry Number: 629-97-0
- 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-Docosane; Normal-docosane
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Condensed phase thermochemistry data
Go To: Top, 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: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 739. | 353. | Atkinson, Larkin, et al., 1969 | T = 353 to 453 K. Equation only. |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 468. | 300. | Hoehne, 1981 | T = 300 to 500 K. Cv = 1.48 J/g*K. |
| 563.6 | 299. | Garner, Van Bibber, et al., 1931 | crystaline, II phase; T = 280 to 347 K. Mean value 17 to 35°C, β-form. |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Atkinson, Larkin, et al., 1969
Atkinson, C.M.L.; Larkin, J.A.; Richardson, M.J.,
Enthalpy changes in molten n-alkanes and polyethylene,
J. Chem. Thermodynam., 1969, 1, 435-445. [all data]
Hoehne, 1981
Hoehne, G.W.H.,
Transitions of n-alkanes above the melting point,
Polym. Bull. (Berlin), 1981, 6, 41-46. [all data]
Garner, Van Bibber, et al., 1931
Garner, W.E.; Van Bibber, K.; King, A.M.,
The melting points and heats of crystallization of the normal long-chain hydrocarbons,
J. Chem. Soc. (London), 1931, 1931, 1533-1541. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Cp,solid Constant pressure heat capacity of solid - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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