Behenic alcohol
- Formula: C22H46O
- Molecular weight: 326.6000
- IUPAC Standard InChIKey: NOPFSRXAKWQILS-UHFFFAOYSA-N
- CAS Registry Number: 661-19-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 1-Docosanol; Docosyl alcohol; Docosanol-(1); Cachalot BE-22; Loxiol VPG 1451; Docosan-1-ol; Behenyl alcohol; n-Docosanol; Abreva; Docosanol; IK 2; Lanette 22; NAA 422; Nacol 22-97; NSC 8407; Stenol 1822; Stenol 1822A; Tadenan; Dehydag wax 22 (lanette); Emery 3304; N-Eicosanol
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Phase change data
Go To: Top, Mass spectrum (electron ionization), References, Notes
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 343. | K | N/A | Kuchhal, Shukla, et al., 1979 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.25 K; TRC |
Tfus | 342.4 | K | N/A | Davies and Kybett, 1965 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tfus | 343.2 | K | N/A | Shulman, Formo, et al., 1961 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 32.5 ± 0.2 | kcal/mol | CGC | Nichols, Kweskin, et al., 2006 | AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 49.4 ± 2.4 | kcal/mol | V | Davies and Kybett, 1965 | ALS |
ΔsubH° | 57.0 ± 2.4 | kcal/mol | N/A | Davies and Kybett, 1965 | AC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
453.2 | 0.0003 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
27.56 | 351. | A,ME | Stephenson and Malanowski, 1987 | Based on data from 344. to 459. K. See also Davies and Kybett, 1965.; AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
49.4 ± 2.4 | 330. | ME | Davies and Kybett, 1965 | Based on data from 335. to 341. K. See also Stephenson and Malanowski, 1987.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
20.33 | 340.8 | AC | Tong, Tan, et al., 2008 | Based on data from 80. to 400. K.; AC |
20.57 | 343.9 | N/A | van Miltenburg, Oonk, et al., 2001 | AC |
11.13 | 345.2 | N/A | Kuchhal, Shukla, et al., 1979 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
12.12 | 333.9 | Kuchhal, Shukla, et al., 1979, 2 | CAL |
32.24 | 345.2 |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, References, Notes
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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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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-6052 |
NIST MS number | 233032 |
References
Go To: Top, Phase change data, 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.
Kuchhal, Shukla, et al., 1979
Kuchhal, Y.K.; Shukla, R.N.; Biswas, A.B.,
Differential thermal analysis of n-long chain alcohols and corresponding alkoxy ethanols,
Thermochimica Acta, 1979, 31, 1, 61-70, https://doi.org/10.1016/0040-6031(79)80008-8
. [all data]
Davies and Kybett, 1965
Davies, M.; Kybett, B.,
Sublimation and vaporization heats of long-chain alcohols,
Trans. Faraday Soc., 1965, 61, 1608. [all data]
Shulman, Formo, et al., 1961
Shulman, S.; Formo, M.W.; Rheineck, A.E.,
Aliphatic Urethanes. Effect of Chain Length on Some Physical Properties,
J. Am. Oil Chem. SOc., 1961, 38, 205-8. [all data]
Nichols, Kweskin, et al., 2006
Nichols, Gary; Kweskin, Sasha; Frericks, Margaret; Reiter, Sarah; Wang, Gin; Orf, Jennifer; Carvallo, Brett; Hillesheim, Dorothea; Chickos, James,
Evaluation of the Vaporization, Fusion, and Sublimation Enthalpies of the 1-Alkanols: The Vaporization Enthalpy of 1-, 6-, 7-, and 9-Heptadecanol, 1-Octadecanol, 1-Eicosanol, 1-Docosanol, 1-Hexacosanol, and Cholesterol at T = 298.15 K by Correlation Gas Chromatography,
J. Chem. Eng. Data, 2006, 51, 2, 475-482, https://doi.org/10.1021/je0503857
. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]
Tong, Tan, et al., 2008
Tong, Bo; Tan, Zhi-Cheng; Wang, Shao-Xu,
Thermodynamic Properties of 1-Docosanol,
Acta Phys. Chim. Sin., 2008, 24, 9, 1699-1702, https://doi.org/10.3866/PKU.WHXB20080930
. [all data]
van Miltenburg, Oonk, et al., 2001
van Miltenburg, J. Cees; Oonk, Harry A.J.; Ventola, Lourdes,
Heat Capacities and Derived Thermodynamic Functions of 1-Octadecanol, 1-Nonadecanol, 1-Eicosanol, and 1-Docosanol between 10 K and 370 K,
J. Chem. Eng. Data, 2001, 46, 1, 90-97, https://doi.org/10.1021/je000048s
. [all data]
Kuchhal, Shukla, et al., 1979, 2
Kuchhal, Y.K.; Shukla, R.N.; Biswas, A.B.,
Differential thermal analysis of n-long chain alcohols and corresponding alkoxy ethanols,
Thermochim. Acta, 1979, 31, 1, 61, https://doi.org/10.1016/0040-6031(79)80008-8
. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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