Octadecanal
- Formula: C18H36O
- Molecular weight: 268.4778
- IUPAC Standard InChIKey: FWWQKRXKHIRPJY-UHFFFAOYSA-N
- CAS Registry Number: 638-66-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Stearaldehyde; Octadecyl aldehyde; Stearyl aldehyde; n-Octadecanal; 1-octadecanal
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 315. | K | N/A | Geiseler and Richter, 1960 | Uncertainty assigned by TRC = 3. K; TRC |
Tfus | 317. | K | N/A | Bestmann and Schulze, 1959 | Uncertainty assigned by TRC = 5. K; TRC |
Tfus | 311. | K | N/A | Stephen, 1925 | Uncertainty assigned by TRC = 4. K; TRC |
Tfus | 336.7 | K | N/A | Krafft, 1880 | Uncertainty assigned by TRC = 20. K; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
75.7 | 428. | A | Stephenson and Malanowski, 1987 | Based on data from 413. to 616. K. See also Stull, 1947.; 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 |
---|---|---|---|---|---|
413. to 615.7 | 5.3260 | 3063.378 | -39.658 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
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
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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 | R.T.HOLMAN,UNIVERSITY OF MINNESOTA |
NIST MS number | 36188 |
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.
Geiseler and Richter, 1960
Geiseler, G.; Richter, P.,
Chem. Ber., 1960, 93, 2511-21. [all data]
Bestmann and Schulze, 1959
Bestmann, H.J.; Schulze, H.,
Preparation of ALdehydes from Their Esters With Raney Nickel,
Chem. Ber., 1959, 92, 530. [all data]
Stephen, 1925
Stephen, H.,
J. Chem. Soc., 1925, 127, 1874. [all data]
Krafft, 1880
Krafft, F.,
The production of laurinaldehyde c(12)h(24)o, myristinaldehyde c(14)h(28)o, palmitinaldehyde c(16)h(32)o, stearinaldehyde c(18)h(36)o: I investigation of aldehydes,
Ber. Dtsch. Chem. Ges., 1880, 13, 1413-8. [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]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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