Butanoic acid, 4-(2,4-dichlorophenoxy)-

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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, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus391.49KN/ADonnelly, Drewes, et al., 1990Uncertainty assigned by TRC = 0.2 K; TRC
Tfus390.9KN/APlato and Glasgow, 1969Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Δsub30. ± 1.kcal/molDSCVecchio and Brunetti, 2005AC
Δsub35.6 ± 0.5kcal/molTEVecchio and Brunetti, 2005Based on data from 356. to 391. K.; AC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
34.9 ± 0.2374.TEVecchio and Brunetti, 2005Based on data from 356. to 391. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
8.37395.5DSCVecchio and Brunetti, 2005AC
9.183391.4N/AAcree, 1991AC

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

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

Donnelly, Drewes, et al., 1990
Donnelly, J.R.; Drewes, L.A.; Johnson, R.L.; Munslow, W.D.; Knapp, K.K.; Sovocool, G.W., Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry, Thermochim. Acta, 1990, 167, 2, 155, https://doi.org/10.1016/0040-6031(90)80476-F . [all data]

Plato and Glasgow, 1969
Plato, C.; Glasgow, A.R., Jr., Differential scanning calorimetry as a general method for determining the purity and heat of fusion of high-purity organic chemicals. Application to 95 compounds, Anal. Chem., 1969, 41, 2, 330, https://doi.org/10.1021/ac60271a041 . [all data]

Vecchio and Brunetti, 2005
Vecchio, Stefano; Brunetti, Bruno, Standard Sublimation Enthalpies of Some Dichlorophenoxy Acids and Their Methyl Esters, J. Chem. Eng. Data, 2005, 50, 2, 666-672, https://doi.org/10.1021/je049626l . [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]


Notes

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