Ergosterol


Condensed phase thermochemistry data

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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

Quantity Value Units Method Reference Comment
Δfsolid-188.39 ± 0.51kcal/molCcbBills, McDonald, et al., 1931 
Quantity Value Units Method Reference Comment
Δcsolid-3947.99kcal/molCcbBills, McDonald, et al., 1931Corresponding Δfsolid = -188.37 kcal/mol (simple calculation by NIST; no Washburn corrections)

Phase change data

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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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δsub28.40kcal/molVHickman, Hecker, et al., 1937ALS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
28.37436.AStephenson and Malanowski, 1987Based on data from 421. to 454. K.; AC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
35.1 ± 0.2318. to 412.MEOja, Chen, et al., 2009AC

Mass spectrum (electron ionization)

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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

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-1727
NIST MS number 229095

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


UV/Visible spectrum

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

Data compiled by: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

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Source Lang (editor), 1962
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 19694
Instrument Hilger Uvispek
Melting point 168

Gas Chromatography

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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

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Column type Active phase Temperature (C) I Reference Comment
PackedSE-30230.3087.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m
PackedSE-30240.3123.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m
PackedSE-30250.3144.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m
PackedSE-30240.3080.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-5 MS3080.Xu, Han, et al., 201230. m/0.25 mm/0.25 μm, 60. C @ 2. min, 15. K/min, 300. C @ 10. min
CapillaryHP-5 MS3080.Xu, Han, et al., 200930. m/0.25 mm/0.25 μm, Helium, 60. C @ 2. min, 15. K/min, 300. C @ 10. min

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryDB-5 MS3152.Radulovic and Dordevic, 201130. m/0.25 mm/0.25 μm, Helium; Program: not specified

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, NIST Subscription Links, Notes

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

Bills, McDonald, et al., 1931
Bills, C.E.; McDonald, F.G.; Be-Miller, L.N.; Steel, G.E.; Nussmeier, M., Heat of combustion of activated ergosterol, J. Biol. Chem., 1931, 93, 775-785. [all data]

Hickman, Hecker, et al., 1937
Hickman, K.C.D.; Hecker, J.C.; Embree, N.D., Direct determination of low vapor pressures, Ind. Eng. Chem., 1937, 9, 264-267. [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]

Oja, Chen, et al., 2009
Oja, Vahur; Chen, Xu; Hajaligol, Mohammad R.; Chan, W. Geoffrey, Sublimation Thermodynamic Parameters for Cholesterol, Ergosterol, β-Sitosterol, and Stigmasterol, J. Chem. Eng. Data, 2009, 54, 3, 730-734, https://doi.org/10.1021/je800395m . [all data]

Lang (editor), 1962
Lang (editor), L., Absorption Spectra in the Ultraviolet and Visible Region, 1962, 3, 67. [all data]

Keiser, Yazlovetsky, et al., 1986
Keiser, L.S.; Yazlovetsky, I.G.; Retunsky, V.N., Gas-chromatographic indentification of sterols in insects with the use of two-dimentional three-phase diagrams plotted on the basis of logarithmic retention indices, J. Anal. Chem. USSR (Engl. Transl.), 1986, 41, 9, 1166-1172. [all data]

Xu, Han, et al., 2012
Xu, L.-L.; Han, T.; Wu, J.-Z.; Zhang, Q.-Y.; Zhang, H.; Huang, B.-K.; Rahman, K., Comparative research of chemical constituents, antifungal and antitumor properties of ether extracts of Panax ginseng and its endophytic fungus, 2012, retrieved from http://www.thefreelibrary.com/Comparative .... [all data]

Xu, Han, et al., 2009
Xu, L.-L.; Han, T.; Wu, J.-Z.; Zhang, Q.-Y.; Zhang, H.; Huang, B.-K.; Rahman, K., Comparative research of chemical constituents, antifungal and antitumor properties of ether extracts of Panax ginseng and its endophytic fungus, Phytomedicine: Int. J. Phytotherapy Phytopharmacology, 2009, 16, 6-7, 609-616, https://doi.org/10.1016/j.phymed.2009.03.014 . [all data]

Radulovic and Dordevic, 2011
Radulovic, N.S.; Dordevic, N.D., Sterods from poison hemlock (Conium maculatum L.): a GC-MS analysis, J. Serb. Chem. Soc., 2011, 76, 11, 1471-1483, https://doi.org/10.2298/JSC110206128R . [all data]


Notes

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