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
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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:
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 (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
18.1 | 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 (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
413. to 615.7 | 5.3203 | 3063.378 | -39.658 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
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.
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, 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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