Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Cholest-5-en-3-ol (3«beta»)-, tetradecanoate

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Phase change 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

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
46.690346.8Barral, Porter, et al., 1967Solid-smectic transition.

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
134.6346.8Barral, Porter, et al., 1967Solid-smectic

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
47.100344.6crystaline, I, Solidliquid, smectic transitionKishimoto, Iwasaki, et al., 1986 
1.600353.0liquid, Smecticliquid, cholestericKishimoto, Iwasaki, et al., 1986 
1.100358.3liquid, Cholestericliquid, isotropicKishimoto, Iwasaki, et al., 1986 
1.300352.9liquidliquidBarral, Porter, et al., 1967 
1.025358.7liquidliquidBarral, Porter, et al., 1967 

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
3.7352.9liquid, Solidliquid, cholesteric transitionBarral, Porter, et al., 1967 
2.9358.7liquid, Cholestericliquid, isotropic transitionBarral, Porter, et al., 1967 

References

Go To: Top, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Barral, Porter, et al., 1967
Barral, E.M., II; Porter, R.S.; Johnson, J.F., Specific heats of nematic, smectic, and cholesteric liquid crystals by differential scanning calorimetry, J. Phys. Chem., 1967, 71, 895-900. [all data]

Kishimoto, Iwasaki, et al., 1986
Kishimoto, H.; Iwasaki, T.; Yonese, M., Thermodynamic and viscometric studies on the thermotropic phase-stability of cholesteryl myristate, palmitate, stearate, and oleate, Chem. Pharm. Bull., 1986, 34, 2698-2709. [all data]


Notes

Go To: Top, Phase change data, References