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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil468.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil462.65KN/AGautier, Renault, et al., 1957Uncertainty assigned by TRC = 3. K; TRC
Tboil464.15KN/AClarke, 1913Uncertainty assigned by TRC = 3. K; TRC
Tboil467.15KN/AVon Braun, 1911Uncertainty assigned by TRC = 3. K; TRC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
54.0 ± 0.5303.N/AVerevkin, 1997Based on data from 284. to 323. K.; AC
50.2386.AStephenson and Malanowski, 1987Based on data from 371. to 517. K.; 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:


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.

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

Gautier, Renault, et al., 1957
Gautier; Renault; Rabiant, Bull. Soc. Chim. Fr., 1957, 1957, 1014. [all data]

Clarke, 1913
Clarke, H.T., THe Relation Between Residual Affinity and Chemical Constitution. Part IV. Some Open-chain Compounds, J. Chem. Soc., Trans., 1913, 103, 1689. [all data]

Von Braun, 1911
Von Braun, J., On the Decomposition of Quaternary Ammonium Hydroxide, Justus Liebigs Ann. Chem., 1911, 382, 1. [all data]

Verevkin, 1997
Verevkin, Sergey P., Thermochemistry of amines: experimental standard molar enthalpies of formation of some aliphatic and aromatic amines, The Journal of Chemical Thermodynamics, 1997, 29, 8, 891-899, https://doi.org/10.1006/jcht.1997.0212 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]


Go To: Top, Phase change data, References