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Benzaldehyde, 2,5-dimethyl-


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 by: Robert L. Brown and Stephen E. Stein

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference
378.70.019Aldrich Chemical Company Inc., 1990

Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C9H10O+ (ion structure unspecified)

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H7+11.2?EISchwarz, Bohlmann, et al., 1973 

IR 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


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-5886
NIST MS number 235162

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

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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, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-1011154.Yamaguchi and Shibamoto, 1981N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C
CapillaryOV-1011159.Yamaguchi and Shibamoto, 1981N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C

Kovats' RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1680.Yamaguchi and Shibamoto, 1981N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C
CapillaryCarbowax 20M1683.Yamaguchi and Shibamoto, 1981N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-Wax1705.Shimoda, Shigematsu, et al., 199560. m/0.25 mm/0.25 «mu»m, 2. K/min; Tstart: 50. C; Tend: 230. C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-5 MS1208.Xu, Han, et al., 201230. m/0.25 mm/0.25 «mu»m, 60. C @ 2. min, 15. K/min, 300. C @ 10. min
CapillaryHP-5 MS1208.Xu, Han, et al., 200930. m/0.25 mm/0.25 «mu»m, 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-11137.Buttery, Teranishi, et al., 1990Column length: 60. m; Column diameter: 0.32 mm; Program: not specified

References

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, Notes

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

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Schwarz, Bohlmann, et al., 1973
Schwarz, H.; Bohlmann, F.; Vorlaender, W., Elektronenstossinduzierte fragmenterung von polymethylbenzaldehyden. III. Bildung und zerfall des formyltropylium-dimethylbenzaldehyd, Org. Mass Spectrom., 1973, 7, 1005. [all data]

Yamaguchi and Shibamoto, 1981
Yamaguchi, K.; Shibamoto, T., Volatile constituents of green tea, Gyokuro (Camellia sinensis L. var Yabukita), J. Agric. Food Chem., 1981, 29, 2, 366-370, https://doi.org/10.1021/jf00104a035 . [all data]

Shimoda, Shigematsu, et al., 1995
Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y., Comparison of the odor concentrates by SDE and adsorptive column method from green tea infusion, J. Agric. Food Chem., 1995, 43, 6, 1616-1620, https://doi.org/10.1021/jf00054a037 . [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]

Buttery, Teranishi, et al., 1990
Buttery, R.G.; Teranishi, R.; Flath, R.A.; Ling, L.C., Identification of additional tomato paste volatiles, J. Agric. Food Chem., 1990, 38, 3, 792-795, https://doi.org/10.1021/jf00093a042 . [all data]


Notes

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