Benzene, (1-methylpropyl)-

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Gas 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-4.17 ± 0.33kcal/molCcbProsen, Johnson, et al., 1946 

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-15.9 ± 0.3kcal/molCcbProsen, Johnson, et al., 1946ALS
Quantity Value Units Method Reference Comment
Δcliquid-1402.85 ± 0.27kcal/molCcbProsen, Johnson, et al., 1946Corresponding Δfliquid = -15.87 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
57.77293.74Andolenko and Grigor'ev, 1979T = 294 to 430 K. Unsmoothed experimental datum given as 1.801 kJ/kg*K.; DH

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:
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
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil446. ± 2.KAVGN/AAverage of 40 out of 42 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus197.85KN/ABirch, Dean, et al., 1949Uncertainty assigned by TRC = 0.2 K; TRC
Tfus199.76KN/ABirch, Dean, et al., 1949Uncertainty assigned by TRC = 0.2 K; TRC
Tfus197.68KN/AStreiff, Murphy, et al., 1947Uncertainty assigned by TRC = 0.04 K; TRC
Tfus197.46KN/ABoord, Greenlee, et al., 1946Uncertainty assigned by TRC = 0.1 K; TRC
Tfus197.KN/AAnonymous, 1943Uncertainty assigned by TRC = 0.7 K; TRC
Quantity Value Units Method Reference Comment
Δvap11.47kcal/molN/AMajer and Svoboda, 1985 
Δvap11.5kcal/molN/ARu«7825»icka, Zábranský, et al., 1994AC
Δvap11.8kcal/molN/AReid, 1972AC
Δvap11.6kcal/molN/AProsen, Johnson, et al., 1946DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
10.9 ± 0.05340.EBSteele, Chirico, et al., 2002Based on data from 335. - 491. K.; AC
10.3 ± 0.05380.EBSteele, Chirico, et al., 2002Based on data from 335. - 491. K.; AC
9.70 ± 0.07420.EBSteele, Chirico, et al., 2002Based on data from 335. - 491. K.; AC
9.0 ± 0.1460.EBSteele, Chirico, et al., 2002Based on data from 335. - 491. K.; AC
12.1258.N/AKasehgari, Mokbel, et al., 1993Based on data from 243. - 373. K.; AC
10.2399.AStephenson and Malanowski, 1987Based on data from 384. - 448. K.; AC
10.5375.N/AForziati, Norris, et al., 1949Based on data from 368. - 448. K.; 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
360.27 - 447.514.070161540.174-68.049Forziati, Norris, et al., 1949, 2

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:


IR Spectrum

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Data compiled by: Coblentz Society, Inc.

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


Mass spectrum (electron ionization)

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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

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-4626
NIST MS number 228188

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes

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

Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D., Heats of combustion and formation at 25°C of the alkylbenzenes through C10H14, and of the higher normal monoalkylbenzenes, J. Res. NBS, 1946, 36, 455-461. [all data]

Andolenko and Grigor'ev, 1979
Andolenko, R.A.; Grigor'ev, B.A., Investigation of isobaric heat capacity of aromatic hydrocarbons at atmospheric pressure, Iaz. Vyssh. Ucheb. Zaved., Neft i Gaz (11), 1979, 78, 90. [all data]

Birch, Dean, et al., 1949
Birch, S.F.; Dean, R.A.; Fidler, F.A.; Lowry, R.A., The preparation of the c(10) monocyclic aromatic hydrocarbons, J. Am. Chem. Soc., 1949, 71, 1362. [all data]

Streiff, Murphy, et al., 1947
Streiff, A.J.; Murphy, E.T.; Cahill, J.C.; Flanagan, H.F.; Sedlak, V.A.; Willingham, C.B.; Rossini, F.D., Purification, Purity, and Freezing Points of 8 Nonanes, 11 Alkyl- cyclopentanes, 6 Alkylcyclohexanes, and 4 Butylbenzenes of the API-NBS Series, J. Res. Natl. Bur. Stand. (U. S.), 1947, 38, 53. [all data]

Boord, Greenlee, et al., 1946
Boord, C.E.; Greenlee, K.W.; Perilstein, W.L., The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Weight, Am. Pet. Inst. Res. Proj. 45, Eighth Annu. Rep., Ohio State Univ., June 30, 1946. [all data]

Anonymous, 1943
Anonymous, R., , Sunbury Rep. No. 2176, Anglo-Iranian Oil Co., 1943. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Ru«7825»icka, Zábranský, et al., 1994
Ru«7825»icka, Vlastimil; Zábranský, Milan; Ru«7825»icka, Kvetoslav; Majer, Vladimír, Vapor pressures for a group of high-boiling alkylbenzenes under environmental conditions, Thermochimica Acta, 1994, 245, 121-144, https://doi.org/10.1016/0040-6031(94)85073-9 . [all data]

Reid, 1972
Reid, Robert C., Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00, AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637 . [all data]

Steele, Chirico, et al., 2002
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A., Vapor Pressure, Heat Capacity, and Density along the Saturation Line: Measurements for Benzenamine, Butylbenzene, sec -Butylbenzene, tert -Butylbenzene, 2,2-Dimethylbutanoic Acid, Tridecafluoroheptanoic Acid, 2-Butyl-2-ethyl-1,3-propanediol, 2,2,4-Trimethyl-1,3-pentanediol, and 1-Chloro-2-propanol, J. Chem. Eng. Data, 2002, 47, 4, 648-666, https://doi.org/10.1021/je010083e . [all data]

Kasehgari, Mokbel, et al., 1993
Kasehgari, H.; Mokbel, I.; Viton, C.; Jose, J., Vapor pressure of 11 alkylbenzenes in the range 10-3 -- 280 torr, correlation by equation of state, Fluid Phase Equilibria, 1993, 87, 1, 133-152, https://doi.org/10.1016/0378-3812(93)85022-E . [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]

Forziati, Norris, et al., 1949
Forziati, Alphonse F.; Norris, William R.; Rossini, Frederick D., Vapor pressures and boiling points of sixty API-NBS hydrocarbons, J. RES. NATL. BUR. STAN., 1949, 43, 6, 555-17, https://doi.org/10.6028/jres.043.050 . [all data]

Forziati, Norris, et al., 1949, 2
Forziati, A.F.; Norris, W.R.; Rossini, F.D., Vapor Pressures and Boiling Points of Sixty API-NBS Hydrocarbons, J. Res. Natl. Bur. Stand. (U.S.), 1949, 43, 6, 555-563, https://doi.org/10.6028/jres.043.050 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References