Boric acid, trimethyl ester

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Condensed phase thermochemistry 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 by: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
189.9298.15Hansen and Hughes, 1959T = 273 to 453 K. Cp(liq) = 0.75534 + 0.0012419t Btu/lb*K (0 to 180°C). Cp value calculated from equation.

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
Tboil341.99KN/AOwensby, Plank, et al., 1989Uncertainty assigned by TRC = 0.4 K; TRC
Tboil341.62KN/AKraher, Plank, et al., 1986Uncertainty assigned by TRC = 0.2 K; TRC
Tboil341.8KN/ASchindler, Plank, et al., 1977Uncertainty assigned by TRC = 0.3 K; TRC
Tboil341.90KN/ALecat, 1927Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus243.9KN/AWebster and Dennis, 1933Uncertainty assigned by TRC = 0.5 K; TRC
Tfus239.15KN/ATimmermans and Mattaar, 1921Uncertainty assigned by TRC = 0.5 K; TRC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Reference Comment
34.2319.Christopher and Shilman, 1967Based on data from 304. to 340. K.; AC

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
304.4 to 340.64.743711476.192-29.0Christopher and Shilman, 1967Coefficents calculated by NIST from author's data.

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:


Gas Chromatography

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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryOV-101593.Zenkevich, 200525. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C

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.

Hansen and Hughes, 1959
Hansen, C.E.; Hughes, R.L., Thermal properties of methyl borate, U.S. Dept. Comm., Off. Tech. Serv., P. B. Report, 1959, No. 150-307, 45pp. [all data]

Owensby, Plank, et al., 1989
Owensby, G.S.; Plank, C.A.; Laukhuf, W.L.S., Vapor-Liquid Equilibria of the Trimethyl Borate(1)-Trichloroethylene (2) System, J. Chem. Eng. Data, 1989, 34, 213. [all data]

Kraher, Plank, et al., 1986
Kraher, M.V.; Plank, C.A.; Laukhuf, W.L.S., Vapor-Liquid Equilibria of the System Trimethyl Borate(1) - n-Cyclohexane(2), J. Chem. Eng. Data, 1986, 31, 387. [all data]

Schindler, Plank, et al., 1977
Schindler, L.E.; Plank, C.A.; Christopher, P.M.; Laukhuf, W.L.S., Vapor-liquid equilibria of the ternary system methyl borate + methyl alcohol + carbon tetrachloride, J. Chem. Eng. Data, 1977, 22, 294-6. [all data]

Lecat, 1927
Lecat, M., New binary azeotropes: 6th list, Ann. Soc. Sci. Bruxelles, Ser. B, 1927, 47, 63-71. [all data]

Webster and Dennis, 1933
Webster, S.H.; Dennis, L.M., Preparation and urification of Methyl BOrate and Ethyl BOrate, J. Am. Chem. Soc., 1933, 55, 3233-5. [all data]

Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F., Freezing points of orgainic substances VI. New experimental determinations., Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]

Christopher and Shilman, 1967
Christopher, Phoebus M.; Shilman, Avner, Vapor pressures of trialkyl borates, J. Chem. Eng. Data, 1967, 12, 3, 333-335, https://doi.org/10.1021/je60034a012 . [all data]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]


Notes

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