4-Ethoxy-4'-butylazobenzene
- Formula: C18H22N2O
- Molecular weight: 282.3801
- IUPAC Standard InChI: InChI=1S/C18H22N2O/c1-3-5-6-15-7-9-16(10-8-15)19-20-17-11-13-18(14-12-17)21-4-2/h7-14H,3-6H2,1-2H3/b20-19+
- IUPAC Standard InChIKey: VWOMPNGMNROKFP-FMQUCBEESA-N
- CAS Registry Number: 31401-34-0
- 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. - Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Options:
Condensed phase thermochemistry data
Go To: Top, Phase change 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: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 127.9 | 325.49 | Shashkov, Zhuk, et al., 1985 | T = 325 to 363 K. Unsmoothed experimental datum. |
Phase change data
Go To: Top, Condensed phase thermochemistry 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: Eugene S. Domalski and Elizabeth D. Hearing
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.157 | 355.8 | liquid | liquid | Shashkov, Zhuk, et al., 1985 |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.440 | 355.8 | liquid | liquid | Shashkov, Zhuk, et al., 1985 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Shashkov, Zhuk, et al., 1985
Shashkov, A.G.; Zhuk, I.P.; Korolik, V.A.,
Experimental determination of thermodynamic properties of three nematic liquid crystals,
Inzh.-Fiz. Zhur., 1985, 49(3), 467-472. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.