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Caprolactam

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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tfus342.3KN/AKozyro, Marachuk, et al., 1989Uncertainty assigned by TRC = 0.5 K; TRC
Tfus342.25KN/AAnonymous, 1968TRC
Tfus342.35KN/AMastrangelo, 1957Uncertainty assigned by TRC = 0.03 K; TRC
Tfus342.2KN/AStrepikheev, Skuratov, et al., 1955Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Ttriple342.31KN/AKabo, Kozyro, et al., 1992Uncertainty assigned by TRC = 0.01 K; TRC
Ttriple342.30KN/AKolesov, Paukov, et al., 1962Uncertainty assigned by TRC = 0.01 K; TRC
Quantity Value Units Method Reference Comment
Deltasub87.3 ± 0.2kJ/molN/AKabo, Kozyro, et al., 1992AC
Deltasub89.76 ± 0.81kJ/molVKabo, Kozyro, et al., 1992, 2ALS

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
410.20.013Aldrich Chemical Company Inc., 1990BS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
87.260298.15N/AKabo, Kozyro, et al., 1992DH
69.2 ± 0.3360.EBSteele, Chirico, et al., 2002Based on data from 350. - 568. K.; AC
65.7 ± 0.3400.EBSteele, Chirico, et al., 2002Based on data from 350. - 568. K.; AC
62.3 ± 0.2440.EBSteele, Chirico, et al., 2002Based on data from 350. - 568. K.; AC
59.0 ± 0.2480.EBSteele, Chirico, et al., 2002Based on data from 350. - 568. K.; AC
55.7 ± 0.3520.EBSteele, Chirico, et al., 2002Based on data from 350. - 568. K.; AC
52.4 ± 0.5560.EBSteele, Chirico, et al., 2002Based on data from 350. - 568. K.; AC
62.3388.AStephenson and Malanowski, 1987Based on data from 373. - 543. K.; AC

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
86.3316.MEZaitsau, Paulechka, et al., 2006Based on data from 293. - 338. K.; AC
86.9320.GSZaitsau, Paulechka, et al., 2006Based on data from 302. - 339. K.; AC
89.3 ± 0.8335.MEKabo, Kozyro, et al., 1992Based on data from 330. - 340. K.; AC
86.3 ± 0.2338.CKabo, Kozyro, et al., 1992AC
77.5273.AStephenson and Malanowski, 1987Based on data from 258. - 308. K.; AC
83.3 ± 0.8294. - 314.N/AAihara, 1953See also Jones, 1960, Cox and Pilcher, 1970, and Aihara, 1960.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Method Reference Comment
16.096342.305N/AKabo, Kozyro, et al., 1992DH
16.134342.36N/AMastrangelo, 1957, 2DH
16.096342.305N/AKolesov, Paukov, et al., 1962, 2DH
16.096342.305N/AKolesov, Paukov, et al., 1959DH
16.16342.2N/AShevelyova, Zaitsau, et al., 2007AC
16.2342.3DSCSteele, Chirico, et al., 2002AC
16.1343.3N/AKabo, Kozyro, et al., 1992AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
47.0342.305Kolesov, Paukov, et al., 1962, 2DH
47.0342.305Kolesov, Paukov, et al., 1959DH

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.

Kozyro, Marachuk, et al., 1989
Kozyro, A.A.; Marachuk, L.I.; Krasulin, A.P.; Yursha, I.A.; Kabo, G.Ya., Thermodynamic properties of cyclohexanone oxime and «epsilon»-caprolactam, Zh. Prikl. Khim. (Leningrad), 1989, 62, 595. [all data]

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

Mastrangelo, 1957
Mastrangelo, S.V.R., Adiabatic calorimeter for determination of cryoscopic data., Anal. Chem., 1957, 29, 841. [all data]

Strepikheev, Skuratov, et al., 1955
Strepikheev, A.A.; Skuratov, S.M.; Kachinskaya, O.N.; Muromova, R.S.; Brykina, E.P.; Shtekher, S.M., Dokl. Akad. Nauk SSSR, 1955, 102, 105. [all data]

Kabo, Kozyro, et al., 1992
Kabo, G.J.; Kozyro, A.A.; Krouk, V.S.; Sevruk, V.M.; Yursha, I.A.; Simirsky, V.V.; Gogolinsky, V.I., Thermodynamic properties of 6-aminohexanoic lactam (e-caprolactam), J. Chem. Thermodynam., 1992, 24, 1-13. [all data]

Kolesov, Paukov, et al., 1962
Kolesov, V.P.; Paukov, I.E.; Skuratov, S.M., Free energy change in the polymerizations of lactams under standard conditions chloride), Zh. Fiz. Khim., 1962, 36, 770. [all data]

Kabo, Kozyro, et al., 1992, 2
Kabo, G.J.; Kozyro, A.A.; Krouk, V.S.; Sevruk, V.M.; Yursha, I.A.; Simirsky, V.V.; Gogolinsky, V.I., Thermodynamic properties of 6-aminohexanoic lactam («epsilon»-caprolactam), J. Chem. Thermodyn., 1992, 24, 1-3. [all data]

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

Steele, Chirico, et al., 2002
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A., Measurements of Vapor Pressure, Heat Capacity, and Density along the Saturation Line for «gamma»-Caprolactam, Pyrazine, 1,2-Propanediol, Triethylene Glycol, Phenyl Acetylene, and Diphenyl Acetylene, J. Chem. Eng. Data, 2002, 47, 4, 689-699, https://doi.org/10.1021/je010085z . [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]

Zaitsau, Paulechka, et al., 2006
Zaitsau, Dzmitry H.; Paulechka, Yauheni U.; Kabo, Gennady J.; Kolpikau, Aleh N.; Emel'yanenko, Vladimir N.; Heintz, Andreas; Verevkin, Sergey P., Thermodynamics of the Sublimation and of the Vaporization of «gamma»-Caprolactam, J. Chem. Eng. Data, 2006, 51, 1, 130-135, https://doi.org/10.1021/je050277k . [all data]

Aihara, 1953
Aihara, A., J. Chem. Soc. Jpn. Pure Chem. Sect., 1953, 74, 437. [all data]

Jones, 1960
Jones, A.H., Sublimation Pressure Data for Organic Compounds., J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019 . [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]

Aihara, 1960
Aihara, Ariyuki, Estimation of the Energy of Hydrogen Bonds Formed in Crystals. III. Amides, Bull. Chem. Soc. Jpn., 1960, 33, 9, 1188-1194, https://doi.org/10.1246/bcsj.33.1188 . [all data]

Mastrangelo, 1957, 2
Mastrangelo, S.V.R., Adiabatic calorimeter for determination of cryoscopic data, Anal. Chem., 1957, 29(5), 841-845. [all data]

Kolesov, Paukov, et al., 1962, 2
Kolesov, V.P.; Paukov, I.E.; Skuratov, S.M., Free energy change in the polymerization of lactams under standard conditions [low temperature heat capacities of lactams and potassium], Zhur. Fiz. Khim., 1962, 36, 770-779. [all data]

Kolesov, Paukov, et al., 1959
Kolesov, V.P.; Paukov, I.E.; Skuratov, S.M.; Seregin, E.A., Standard entropies of certain lactams, Dokl. Akad. Nauk., 1959, SSSR 128, 130-132. [all data]

Shevelyova, Zaitsau, et al., 2007
Shevelyova, Marina P.; Zaitsau, Dzmitry H.; Paulechka, Yauheni U.; Blokhin, Andrey V.; Kabo, Gennady J.; Verevkin, Sergey P.; Heintz, Andreas, Solid-Liquid Equilibrium and Activity Coefficients for Caprolactam + 1-Hexyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide and Cyclohexanone Oxime + 1-Hexyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide, J. Chem. Eng. Data, 2007, 52, 4, 1360-1365, https://doi.org/10.1021/je7000683 . [all data]


Notes

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