8-Heptyltheophylline

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, 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
Tfus472.6KN/AGondova, Kralik, et al., 1989Uncertainty assigned by TRC = 0.2 K; TRC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
7.9472.7DSCAcree, 1991See also Gondová, Králik, et al., 1989.; AC

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:


References

Go To: Top, Phase change data, Notes

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

Gondova, Kralik, et al., 1989
Gondova, T.; Kralik, P.; Gonda, J., Determination of some thermodynamic characteristics of melting of 8-alkyltheophyllines by the DSC method, Thermochim. Acta, 1989, 156, 1, 147, https://doi.org/10.1016/0040-6031(89)87180-1 . [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Gondová, Králik, et al., 1989
Gondová, T.; Králik, P.; Gonda, J., Determination of some thermodynamic characteristics of melting of 8-alkyltheophyllines by the DSC method, Thermochimica Acta, 1989, 156, 1, 147-155, https://doi.org/10.1016/0040-6031(89)87180-1 . [all data]


Notes

Go To: Top, Phase change data, References