- Formula: C44H90
- Molecular weight: 619.1854
- IUPAC Standard InChI:
- Download the identifier in a file.
- IUPAC Standard InChIKey: KMXFZRSJMDYPPG-UHFFFAOYSA-N
- CAS Registry Number: 7098-22-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: n-Tetratetracontane
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Phase change data
Go To: Top, Mass spectrum (electron ionization), References, Notes
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos
|Tfus||359.15||K||N/A||Anonymous, 1968||Uncertainty assigned by TRC = 0.5 K; TRC|
|Tfus||359.6||K||N/A||Seyer, Patterson, et al., 1944||Uncertainty assigned by TRC = 2. K; TRC|
|Tfus||338.5||K||N/A||Becker and Strating, 1940||Uncertainty assigned by TRC = 1.5 K; TRC|
|Tfus||333.5||K||N/A||Becker and Strating, 1940||Metastable crystal phase; Uncertainty assigned by TRC = 2. K; TRC|
|Tfus||359.6||K||N/A||Mueller, 1932||Uncertainty assigned by TRC = 2. K; TRC|
|vapH°||223.7 ± 0.9||kJ/mol||CGC||Chickos, Wang, et al., 2008||Based on data from 323. - 523. K.; AC|
Enthalpy of vaporization
|vapH (kJ/mol)||Temperature (K)||Method||Reference||Comment|
|139.3||592.||A,E||Stephenson and Malanowski, 1987||Based on data from 577. - 821. K. See also Kudchadker and Zwolinski, 1966.; AC|
|146.||387.||N/A||Ivanov, Guglya, et al., 1973||AC|
Enthalpy of fusion
|fusH (kJ/mol)||Temperature (K)||Reference||Comment|
|145.5||360.9||Hammami and Mehrotra, 1995||AC|
Mass spectrum (electron ionization)
Go To: Top, Phase change data, References, Notes
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
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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.
|NIST MS number||154925|
Go To: Top, Phase change data, Mass spectrum (electron ionization), Notes
Anonymous, R., Properties of hydrocarbon of high molecular weight, Am. Pet. Inst. Res. Proj. 42, Penn. State Univ., 1968. [all data]
Seyer, Patterson, et al., 1944
Seyer, W.F.; Patterson, R.F.; Keays, J.L., The Density and Transition Points of the n-Paraffin Hydrocarbons, J. Am. Chem. Soc., 1944, 66, 179-82. [all data]
Becker and Strating, 1940
Becker, H.J.; Strating, J., Preparation of Several Crystalline Aliphatic Hydrocarbons in the Pure State, Rec. Trav. Chim., 1940, 59, 933-46. [all data]
Mueller, A., Proc. R. Soc. London, A, 1932, 138, 514. [all data]
Chickos, Wang, et al., 2008
Chickos, James; Wang, Tracy; Sharma, Esseim, Hypothetical Thermodynamic Properties: Vapor Pressures and Vaporization Enthalpies of the Even n -Alkanes from C 40 to C 76 at T = 298.15 K by Correlation-Gas Chromatography. Are the Vaporization Enthalpies a Linear Function of Carbon Number?, J. Chem. Eng. Data, 2008, 53, 2, 481-491, https://doi.org/10.1021/je7005852 . [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]
Kudchadker and Zwolinski, 1966
Kudchadker, A.P.; Zwolinski, B.J., Vapor Pressure and Boiling Points of Normal Alkanes, C 21 to C 100 ., J. Chem. Eng. Data, 1966, 11, 2, 253-255, https://doi.org/10.1021/je60029a039 . [all data]
Ivanov, Guglya, et al., 1973
Ivanov, G.A.; Guglya, V.G.; Zhukhovitskii, A.A., Determination of the characteristics of chromatographic stationary phases using a piezoelectric quartz sensor, Zavadskaya Lab., 1973, 39, 15. [all data]
Hammami and Mehrotra, 1995
Hammami, Ahmed; Mehrotra, Anil K., Liquid-solid-solid thermal behaviour of n-C44H90 + n-C50H102 and n-C25H52 + n-C28H58 paraffinic binary mixtures, Fluid Phase Equilibria, 1995, 111, 2, 253-272, https://doi.org/10.1016/0378-3812(95)02777-C . [all data]
Go To: Top, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tfus Fusion (melting) point fusH Enthalpy of fusion vapH Enthalpy of vaporization vapH° Enthalpy of vaporization at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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