β-Sitosterol

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, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
34.4 ± 0.1389. - 410.MEOja, Chen, et al., 2009AC

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.6931342.7crystaline, IIcrystaline, IPetropavlov, Tsygankova, et al., 1988DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
2.0342.7crystaline, IIcrystaline, IPetropavlov, Tsygankova, et al., 1988DH

Mass spectrum (electron ionization)

Go To: Top, Phase change data, Gas Chromatography, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

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 Div. of Experiment Therapeutics WRAIR, WRAMC, Washington DC 20307
NIST MS number 251915

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.


Gas Chromatography

Go To: Top, Phase change data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
PackedSE-30230.3201.Keiser, Retunskii, et al., 1990N2; Column length: 1.2 m
PackedSE-30240.3215.Keiser, Retunskii, et al., 1990N2; Column length: 1.2 m
PackedE-301210.3197.Keiser, Retunskii, et al., 1990N2; Column length: 1.2 m
PackedE-301220.3173.Keiser, Retunskii, et al., 1990N2; Column length: 1.2 m
PackedE-301220.3228.Keiser, Retunskii, et al., 1990N2; Column length: 1.2 m
PackedE-301230.3194.Keiser, Retunskii, et al., 1990N2; Column length: 1.2 m
PackedE-301230.3243.Keiser, Retunskii, et al., 1990N2; Column length: 1.2 m
PackedE-301240.3214.Keiser, Retunskii, et al., 1990N2; Column length: 1.2 m
PackedSE-30230.3201.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m
PackedSE-30240.3215.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m
PackedSE-30250.3230.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m
PackedSE-30240.3198.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m
PackedSE-30240.3199.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m
PackedSE-30240.3202.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m
PackedSE-30240.3203.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m
PackedSE-30240.3204.Keiser, Yazlovetsky, et al., 1986N2; Column length: 1.2 m

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-5 MS3203.Xu, Han, et al., 201230. m/0.25 mm/0.25 μm, 60. C @ 2. min, 15. K/min, 300. C @ 10. min
CapillaryDB-5 MS3197.Stojanovic, RAdulovic, et al., 201130. m/0.25 mm/0.25 μm, Helium, 5. K/min, 290. C @ 10. min; Tstart: 70. C
CapillaryHP-5 MS3187.Radulovic, Blagojevic, et al., 200930. m/0.25 mm/0.25 μm, Helium, 5. K/min, 290. C @ 10. min; Tstart: 70. C
CapillaryHP-5 MS3203.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

View large format table.

Column type Active phase I Reference Comment
Capillary 3220.El-Shazily, Hafez, et al., 2004Program: not specified
CapillaryOV-13220.El-Shazly and Hussein, 2004He; Column length: 15. m; Column diameter: 0.317 mm; Program: 50C(4min) => 4C/min => 90C => 10C/min => 300C(10min)
CapillaryOV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc.3193.Waggott and Davies, 1984Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified
OtherMethyl Silicone3193.Ardrey and Moffat, 1981Program: not specified

References

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

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]

Petropavlov, Tsygankova, et al., 1988
Petropavlov, N.N.; Tsygankova, I.G.; Teslenko, L.A., Microcalorimetric investigation of polymorphic transitions in organic crystals, Sov. Phys. Crystallogr., 1988, 33(6), 853-855. [all data]

Keiser, Retunskii, et al., 1990
Keiser, L.S.; Retunskii, V.N.; Yazlovetskii, I.G., Gas chromatographic identification of sterols in insects. Estimation of retention data reproducibility, Zh. Anal. Khim., 1990, 45, 1767-1773. [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]

Stojanovic, RAdulovic, et al., 2011
Stojanovic, I.Z.; RAdulovic, N.S.; Mitrovic, Y.L.J.; Stamenkovic, S.M.; Stojanovic, G.S., Volatile constituents of selected Parmeliaceae lichens, J. Serb. Chem. Soc., 2011, 76, 7, 987-994, https://doi.org/10.2298/JSC101004087S . [all data]

Radulovic, Blagojevic, et al., 2009
Radulovic, N.S.; Blagojevic, P.D.; Palic, R.M.; Zlatkovic, B.K.; Stevanovic, B.M., Volatiles from vegetative organs of the paleoendemic resurrection plants Ramonda serbica Panc. and Ramonda nathaliae Panc. at Petrov, J. Serb. Chem. Soc., 2009, 74, 1, 35-44, https://doi.org/10.2298/JSC0901035R . [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]

El-Shazily, Hafez, et al., 2004
El-Shazily, A.M.; Hafez, S.S.; Wink, M., Comparative study of the essential oils and extracts of Achillea fragrantissima (Forssk.) Sch. Bip. and Achillea santolina L. (Asteraceae) from Egypt, Pharmazie, 2004, 59, 226-230. [all data]

El-Shazly and Hussein, 2004
El-Shazly, A.M.; Hussein, K.T., Chemical analysis and biological activities of the essential oil of Teucrium leucocladum Boiss. (Lamiaceae), Biochem. Syst. Ecol., 2004, 32, 7, 665-674, https://doi.org/10.1016/j.bse.2003.12.009 . [all data]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]

Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1 . [all data]


Notes

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References