Aspirin

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, IR Spectrum, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus405. ± 10.KAVGN/AAverage of 103 out of 110 values; Individual data points

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
6.972409.2DSCXu, Sun, et al., 2004AC
7.412412.7DSCPerlovich and Bauer-Brandl, 2001See also Perlovich and Bauer-Brandl, 2003.; AC
7.12414.N/AKirklin, 2000AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


IR Spectrum

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

Data compiled by: Coblentz Society, Inc.


Gas Chromatography

Go To: Top, Phase change data, IR Spectrum, 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
CapillaryDB-1130.1270.Japp, Gill, et al., 198730. m/0.53 mm/1.5 μm, N2
PackedOV-1150.1315.Berninger and Möller, 1977 

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

View large format table.

Column type Active phase I Reference Comment
CapillaryPolydimethyl siloxanes1309.Schutz and Wollrab A., 1988Program: not specified
OtherMethyl Silicone1309.Ardrey and Moffat, 1981Program: not specified

References

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

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

Xu, Sun, et al., 2004
Xu, F.; Sun, L.-X.; Tan, Z.-C.; Liang, J.-G.; Zhou, D.-H.; Di, Y.-Y.; Lan, X.Z.; Zhang, T., Wuji Huaxue Xuebao, 2004, 20, 1, 50. [all data]

Perlovich and Bauer-Brandl, 2001
Perlovich, G.L.; Bauer-Brandl, A., Organometallics, 2001, 63, 3, 653-661, https://doi.org/10.1023/A:1010119532614 . [all data]

Perlovich and Bauer-Brandl, 2003
Perlovich, German L.; Bauer-Brandl, Annette, Pharmaceutical Research, 2003, 20, 3, 471-478, https://doi.org/10.1023/A:1022624725495 . [all data]

Kirklin, 2000
Kirklin, Duane R., Enthalpy of combustion of acetylsalicylic acid, The Journal of Chemical Thermodynamics, 2000, 32, 6, 701-709, https://doi.org/10.1006/jcht.1999.0650 . [all data]

Japp, Gill, et al., 1987
Japp, M.; Gill, R.; Osselton, M.D., Comparison of drug retention indices determined on packed, wide bore capillary and narrow bore capillary columns, J. Forensic Sci., 1987, 32, 6, 1574-1586. [all data]

Berninger and Möller, 1977
Berninger, H.; Möller, M.R., Retentionsindices zur gaschromatographischen Identifizierung von Arzneimitteln, Arch. Toxicol., 1977, 37, 4, 295-305, https://doi.org/10.1007/BF00330821 . [all data]

Schutz and Wollrab A., 1988
Schutz, H.; Wollrab A., The significance of the retention index in toxicologic analysis II, Pharmazie in unzerer Zeit, 1988, 17, 4, 97-101. [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, IR Spectrum, Gas Chromatography, References