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Formaldehyde

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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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil254.05KN/AAnonymous, 1968Uncertainty assigned by TRC = 0.5 K; TRC
Tboil253.85KN/ASpence and Wild, 1935Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tfus156.15KN/AAnonymous, 1968Uncertainty assigned by TRC = 1. K; TRC
Tfus181.KN/AAnonymous, 1958Uncertainty assigned by TRC = 4. K; TRC
Tfus181.KN/AHarries, 1901Uncertainty assigned by TRC = 6. K; TRC
Quantity Value Units Method Reference Comment
Ttriple155.1KN/ASpence and Wild, 1935Uncertainty assigned by TRC = 0.3 K; TRC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
5.81236.AStephenson and Malanowski, 1987Based on data from 184. - 251. K.; AC
5.78236.N/ASpence and Wild, 1935, 2Based on data from 173. - 251. K. See also Stephenson and Malanowski, 1987.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
163.76 - 250.864.27605959.43-29.758Spence and Wild, 1935, 3Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
1.80155.Vasil'ev and Lebedev, 1998AC

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.

Anonymous, 1968
Anonymous, X., Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. [all data]

Spence and Wild, 1935
Spence, R.; Wild, W., The Vapor Pressure Curve of Formaldehyde and Some Related Data, J. Chem. Soc., 1935, 1935, 506-9. [all data]

Anonymous, 1958
Anonymous, R., , Am. Pet. Inst. Res. Proj. 45, Ohio State Univ., 1958. [all data]

Harries, 1901
Harries, C.D., Chem. Ber., 1901, 34, 635. [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]

Spence and Wild, 1935, 2
Spence, Robert; Wild, William, 114. The vapour-pressure curve of formaldehyde, and some related data, J. Chem. Soc., 1935, 506, https://doi.org/10.1039/jr9350000506 . [all data]

Spence and Wild, 1935, 3
Spence, R.; Wild, W., The Vapour-Pressure Curve of Formaldehyde, and Some Related Data, J. Chem. Soc., 1935, 138, 506-509, https://doi.org/10.1039/jr9350000506 . [all data]

Vasil'ev and Lebedev, 1998
Vasil'ev, V.G.; Lebedev, B.V., Thermodynamic Properties of Aliphatic Aldehydes and Polyaldehydes: Effect of Composition and Structure, Polym. Sci., Ser. A, 1998, 40, 5, 464. [all data]


Notes

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