4H-1-Benzopyran-4-one, 2,3-dihydro-

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, 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub84.6 ± 1.3kJ/molCMatos, Sousa, et al., 2009AC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
400.20.017Weast and Grasselli, 1989BS

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Method Reference Comment
16.7312.3DSCMatos, Sousa, et al., 2009AC

Gas Chromatography

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: 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
PackedApiezon L170.1390.Arruda, Heinzen, et al., 1993N2, Chromosorb W; Column length: 1.8 m

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillarySOLGel-Wax2442.Shu and Shen, 200830. m/0.53 mm/0.50 μm, Helium; Program: 40 0C 7 0C/min -> 180 0C 10 0C/min -> 240 0C (10 min)
CapillarySOLGel-Wax2450.Shu and Shen, 200830. m/0.53 mm/0.50 μm, Helium; Program: not specified

References

Go To: Top, Phase change data, Gas Chromatography, Notes

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

Matos, Sousa, et al., 2009
Matos, M. Agostinha R.; Sousa, Clara C.S.; Morais, Victor M.F., Experimental and computational thermochemistry of the isomers: Chromanone, 3-isochromanone, and dihydrocoumarin, The Journal of Chemical Thermodynamics, 2009, 41, 3, 308-314, https://doi.org/10.1016/j.jct.2008.08.012 . [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Arruda, Heinzen, et al., 1993
Arruda, A.C.; Heinzen, V.E.F.; Yunes, R.A., Relationship between Kovats retention indices and molecular connectivity indices of tetralones, coumarins and structurally related compounds, J. Chromatogr., 1993, 630, 1-2, 251-256, https://doi.org/10.1016/0021-9673(93)80461-G . [all data]

Shu and Shen, 2008
Shu, N.; Shen, H., Aroma-impact compounds in Lysimachia foenum-graecum extracts, Flavour Fragr. J., 2008, 24, 1, 1-6, https://doi.org/10.1002/ffj.1908 . [all data]


Notes

Go To: Top, Phase change data, Gas Chromatography, References