Octadecanoic acid, butyl ester
- Formula: C22H44O2
- Molecular weight: 340.5836
- IUPAC Standard InChIKey: ULBTUVJTXULMLP-UHFFFAOYSA-N
- CAS Registry Number: 123-95-5
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Stearic acid, butyl ester; n-Butyl octadecanoate; n-Butyl stearate; Apex 4; Butyl octadecanoate; Butyl stearate; Emerest 2325; Groco 5810; Kessco BSC; Kesscoflex BS; Polycizer 332; RC Plasticizer B-17; Starfol BS-100; Tegester butyl stearate; Wickenol 122; Witcizer 200; Witcizer 201; BS; Uniflex bys; ADK STAB LS-8; Kemester 5510; Kessco BS; Oleo-Coll LP; Oleoyl sarcosine; Priolube 1451; Radia 7051; Uniflex BYS-tech; Unimate BYS; Witconol 2326; NSC 4820
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Phase change data
Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, 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
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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 299.72 | K | N/A | Kalinowska and Jackowski, 1986 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
23.9 | 367. | A,T | Stephenson and Malanowski, 1987 | Based on data from 352. to 399. K. See also Perry and Weber, 1949.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.958 | 299.7 | Kalinowska and Jackowski, 1986, 2 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.8 | 288.4 | Kalinowska and Jackowski, 1986 | CAL |
29.888 | 299.7 |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.5306 | 288.4 | crystaline, II | crystaline, I | Kalinowska and Jackowski, 1986, 2 | DH |
8.9579 | 299.72 | crystaline, I | liquid | Kalinowska and Jackowski, 1986, 2 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
1.84 | 288.4 | crystaline, II | crystaline, I | Kalinowska and Jackowski, 1986, 2 | DH |
29.04 | 299.72 | crystaline, I | liquid | Kalinowska and Jackowski, 1986, 2 | DH |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, Gas Chromatography, 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 | 36394 |
Gas Chromatography
Go To: Top, Phase change data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 2362. | Ramsey, Lee, et al., 1980 | He, Chromosorb G HP (80-100 mesh); Column length: 1.5 m; Program: not specified |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 2388. | Pino, Mesa, et al., 2005 | 30. m/0.25 mm/0.25 μm, He, 60. C @ 2. min, 4. K/min, 250. C @ 20. min |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SPB-1 | 2361. | Lazarevic, Palic, et al., 2010 | 30. m/0.25 mm/0.25 μm, Helium, 50. C @ 3. min, 5. K/min, 250. C @ 15. min |
Capillary | HP-1 | 2374. | Boatright and Crum, 1997 | 30. m/0.25 mm/0.1 μm, He, 50. C @ 2. min, 5. K/min, 300. C @ 3. min |
Capillary | HP-1 | 2374. | Boatright and Crum, 1997 | 30. m/0.25 mm/0.1 μm, He, 50. C @ 2. min, 5. K/min, 300. C @ 3. min |
Capillary | Ultra-1 | 2369. | Okumura, 1991 | 25. m/0.32 mm/0.25 μm, He, 3. K/min; Tstart: 80. C; Tend: 260. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxanes | 2362. | Schutz and Wollrab A., 1988 | Program: not specified |
Other | Methyl Silicone | 2362. | Ardrey and Moffat, 1981 | Program: not specified |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kalinowska and Jackowski, 1986
Kalinowska, B.; Jackowski, A.W.,
Enthalpies of two phase transitions in the high-temperature form of n-butyl octadecanoate,
J. Chem. Thermodyn., 1986, 18, 8, 715, https://doi.org/10.1016/0021-9614(86)90104-7
. [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]
Perry and Weber, 1949
Perry, E.S.; Weber, W.H.,
Vapor Pressures of Phlegmatic Liquids. II. High Molecular Weight Esters and Silicone Oils,
J. Am. Chem. Soc., 1949, 71, 11, 3726-3730, https://doi.org/10.1021/ja01179a039
. [all data]
Kalinowska and Jackowski, 1986, 2
Kalinowska, B.; Jackowski, A.W.,
Enthalpies of two phase transitions in the high-temperature form of n-butyl octadecanoate,
J. Chem. Thermodynam., 1986, 18, 715-717. [all data]
Ramsey, Lee, et al., 1980
Ramsey, J.D.; Lee, T.D.; Osselton, M.D.; Moffat, A.C.,
Gas-liquid chromatographic retention indices of 296 non-drug substances on SE-30 or OV-1 likely to be encountered in toxicological analyses,
J. Chromatogr., 1980, 184, 2, 185-206, https://doi.org/10.1016/S0021-9673(00)85641-1
. [all data]
Pino, Mesa, et al., 2005
Pino, J.A.; Mesa, J.; Muñoz, Y.; Martí, M.P.; Marbot, R.,
Volatile components from mango (Mangifera indica L.) cultivars,
J. Agric. Food Chem., 2005, 53, 6, 2213-2223, https://doi.org/10.1021/jf0402633
. [all data]
Lazarevic, Palic, et al., 2010
Lazarevic, J.S.; Palic, R.V.M.; Radulovic, N.S.; Ristic, N.R.; Stojanovic, G.S.,
Chemical composition and screening of the antimicrobial and antioxidative acrivity of extracts of Stachys species,
J. Serb. Chem. Soc., 2010, 75, 10, 1347-1359, https://doi.org/10.2298/JSC100601117L
. [all data]
Boatright and Crum, 1997
Boatright, W.L.; Crum, A.D.,
Nonpolar-volatile lipids from soy protein isolates and hexane-defatted flakes,
J. Amer. Oil Chem. Soc., 1997, 74, 4, 461-467, https://doi.org/10.1007/s11746-997-0107-z
. [all data]
Okumura, 1991
Okumura, T.,
retention indices of environmental chemicals on methyl silicone capillary column,
Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333
. [all data]
Schutz and Wollrab A., 1988
Schutz, H.; Wollrab A.,
The significance of the retention index in toxicologic analysis II,
Pharmazie in unzerer Zeit, 1988, 17, 4, 97-101. [all data]
Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C.,
Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase,
J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1
. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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