Propyl mercaptan
- Formula: C3H8S
- Molecular weight: 76.161
- IUPAC Standard InChIKey: SUVIGLJNEAMWEG-UHFFFAOYSA-N
- CAS Registry Number: 107-03-9
- 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-Propanethiol; n-Propyl mercaptan; Propanethiol; 1-Propyl mercaptan; n-C3H7SH; Propane-1-thiol; 1-Mercaptopropane; 1-Propylthiol; n-Propylthiol; Propylthiol
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Phase change data
Go To: Top, Gas phase ion energetics 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 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
DRB - Donald R. Burgess, Jr.
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 |
---|---|---|---|---|---|
Tboil | 340.9 ± 0.7 | K | AVG | N/A | Average of 18 out of 21 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 160. ± 1. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 159.9800 | K | N/A | Pennington, Scott, et al., 1956 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC |
Ttriple | 159.9900 | K | N/A | Pennington, Scott, et al., 1956 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.03 K; TRC |
Ttriple | 160.00 | K | N/A | Anonymous, 1954 | Uncertainty assigned by TRC = 0.07 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 536.6 | K | N/A | Teja and Anselme, 1990 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tc | 535.6 | K | N/A | Majer and Svoboda, 1985 | |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.49 | mol/l | N/A | Teja and Anselme, 1990 | Uncertainty assigned by TRC = 0.1 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 32.05 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 31.9 | kJ/mol | N/A | Reid, 1972 | AC |
ΔvapH° | 31.99 | kJ/mol | V | Pennington, Scott, et al., 1956, 2 | ALS |
ΔvapH° | 32.0 | kJ/mol | N/A | Hubbard and Waddington, 1954 | DRB |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
29.54 | 340.9 | N/A | Majer and Svoboda, 1985 | |
33.7 | 269. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 254. to 364. K.; AC |
31.8 | 312. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 297. to 375. K. See also Pennington, Scott, et al., 1956, 3, Osborn and Douslin, 1966, and Hubbard and Waddington, 2010.; AC |
31.6 ± 0.1 | 303. | C | Pennington, Scott, et al., 1956, 3 | AC |
30.7 ± 0.1 | 320. | C | Pennington, Scott, et al., 1956, 3 | AC |
29.5 ± 0.1 | 341. | C | Pennington, Scott, et al., 1956, 3 | AC |
31.5 | 312. | N/A | Taylor and Layng, 1933 | Based on data from 284. to 340. K.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
303. to 341. | 46.5 | 0.2753 | 535.6 | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
297.42 to 375.24 | 4.05353 | 1183.392 | -48.516 | Pennington, Scott, et al., 1956, 3 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
5.48 | 160. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
27.95 | 142.1 | Domalski and Hearing, 1996 | CAL |
34.23 | 160. |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
3.9710 | 142.10 | crystaline, II | crystaline, I | Pennington, Scott, et al., 1956, 3 | DH |
5.4769 | 160.00 | crystaline, I | liquid | Pennington, Scott, et al., 1956, 3 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
27.95 | 142.10 | crystaline, II | crystaline, I | Pennington, Scott, et al., 1956, 3 | DH |
34.23 | 160.00 | crystaline, I | liquid | Pennington, Scott, et al., 1956, 3 | DH |
Gas phase ion energetics data
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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C3H8S+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.20 ± 0.01 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 794.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 763.6 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.21 | PE | Kimura, Katsumata, et al., 1981 | LLK |
9.19 | PE | Ogata, Onizuka, et al., 1973 | LLK |
9.195 ± 0.005 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
De-protonation reactions
C3H7S- + =
By formula: C3H7S- + H+ = C3H8S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1482. ± 9.2 | kJ/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1456. ± 8.4 | kJ/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
Gas Chromatography
Go To: Top, Phase change data, Gas phase ion energetics 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | DB-5 | 100. | 617.0 | Miller and Bruno, 2003 | 30. m/0.25 mm/0.1 μm |
Capillary | DB-5 | 120. | 630.0 | Miller and Bruno, 2003 | 30. m/0.25 mm/0.1 μm |
Capillary | DB-5 | 60. | 615.4 | Miller and Bruno, 2003 | 30. m/0.25 mm/0.1 μm |
Capillary | DB-5 | 80. | 615.7 | Miller and Bruno, 2003 | 30. m/0.25 mm/0.1 μm |
Packed | Apiezon M | 130. | 623. | Garbuzov, Misharina, et al., 1985 | He or N2, Chromosorb W, AW-DMCS; Column length: 2.1 m |
Packed | Squalane | 60. | 586. | Zygmunt and Staszewski, 1981 | Chromosorb W DMCS; Column length: 2. m |
Packed | Squalane | 80. | 590. | Zygmunt and Staszewski, 1981 | Chromosorb W DMCS; Column length: 2. m |
Packed | Apiezon M | 130. | 619. | Golovnya and Garbuzov, 1974 | N2, Chromosorb W; Column length: 2.1 m |
Packed | DC-200 | 60. | 603. | Golovnya and Arsen'ev, 1970 | Column length: 1.5 m |
Packed | SE-30 | 60. | 600. | Golovnya and Arsen'ev, 1970 | Column length: 1.5 m |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Apiezon M | 623. | Zhu, Wang, et al., 2007 | Program: not specified |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Carbowax 20M | 110. | 840. | Möckel and Zolg, 1977 | He, Chromosorb W AW (80-100 mesh); Column length: 6. m |
Kovats' RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | PEG-20M | 857. | Zhu, Wang, et al., 2007 | Program: not specified |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP-Sil 8CB-MS | 614. | Bruna, Hierro, et al., 2003 | 60. m/0.25 mm/0.25 μm, 40. C @ 2. min, 4. K/min, 280. C @ 5. min |
Capillary | Ultra-1 | 600.0 | Farkas, Hradský, et al., 1992 | 25. m/0.2 mm/0.33 μm, H2, 2. K/min; Tstart: 60. C; Tend: 230. C |
Capillary | HP-1 | 587. | Kuo and Ho, 1992 | 50. m/0.32 mm/1.05 μm, He, 2. K/min; Tstart: 40. C; Tend: 260. C |
Capillary | DB-1 | 624. | Zhang and Ho, 1991 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 220. C @ 10. min; Tstart: 40. C |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 857. | Nielsen, Larsen, et al., 2004 | 30. m/0.25 mm/0.25 μm, He, 45. C @ 10. min, 6. K/min, 240. C @ 30. min |
Capillary | DB-Wax | 843. | Nielsen and Poll, 2004 | 30. m/0.25 mm/0.25 μm, He, 45. C @ 10. min, 3. K/min, 240. C @ 30. min |
Capillary | HP-Innowax | 845. | Storsberg, Schulz, et al., 2004 | 60. m/0.25 mm/0.5 μm, H2, 10. K/min; Tstart: 35. C; Tend: 220. C |
Capillary | DB-Wax | 830. | Cha, Kim, et al., 1998 | 60. m/0.25 mm/0.25 μm, 40. C @ 5. min, 3. K/min, 200. C @ 60. min |
Capillary | DB-Wax | 833. | Cha, Kim, et al., 1998 | 30. m/0.32 mm/0.25 μm, He, 40. C @ 5. min, 6. K/min, 200. C @ 30. min |
Capillary | HP-Innowax | 855. | Schulz, Krüger, et al., 1998 | 60. m/0.25 mm/0.5 μm, H2, 4. K/min; Tstart: 80. C; Tend: 220. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Polydimethyl siloxane with 5 % Ph groups | 100. | 617. | Safa and Hadjmohannadi, 2005 | 30. m/0.25 mm/0.10 μm, Nitrogen |
Capillary | Polydimethyl siloxane with 5 % Ph groups | 60. | 615. | Safa and Hadjmohannadi, 2005 | 30. m/0.25 mm/0.10 μm, Nitrogen |
Capillary | Polydimethyl siloxane with 5 % Ph groups | 80. | 616. | Safa and Hadjmohannadi, 2005 | 30. m/0.25 mm/0.10 μm, Nitrogen |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | PONA | 594. | Yang, Wang, et al., 2004 | 50. m/0.20 mm/0.50 μm, N2, 2. K/min; Tstart: 35. C; Tend: 170. C |
Capillary | PONA | 601. | Yang, Wang, et al., 2003 | 50. m/0.20 mm/0.50 μm, 2. K/min; Tstart: 30. C; Tend: 150. C |
Capillary | PONA | 600. | Yang, Yang, et al., 2003 | 50. m/0.20 mm/0.50 μm, Helium, 2. K/min; Tstart: 30. C; Tend: 170. C |
Capillary | DB-5 | 614. | Macku and Shibamoto, 1991 | He, 40. C @ 5. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 160. C |
Packed | Porapack Q | 579. | Guevas A.P. and Tellez, 1977 | Helium, Porapak Q, 8. K/min; Column length: 3.5 m; Tstart: 220. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 609. | Rotsatschakul, Visesanguan, et al., 2009 | 60. m/0.25 mm/0.25 μm, Helium; Program: 30 0C (2 min) 2 0Cmin -> 60 0C 10 0C/min -> 100 0C 20 0C/min -> 140 0C 10 0C/min -> 200 0C (10 min) |
Capillary | PONA | 600. | Yang, Wang, et al., 2003 | 50. m/0.20 mm/0.50 μm; Program: not specified |
Capillary | Polydimethyl siloxanes | 605. | Zenkevich, 1998 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 596. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 817. | Gyawalia, Seo, et al., 2006 | 60. m/0.2 mm/0.25 μm, He; Program: 40C(3min) => 2C/min => 150C => 4C/min => 220C(20min) => 5C/min => 230C |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pennington, Scott, et al., 1956
Pennington, R.E.; Scott, D.W.; Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Hossenlopp, I.A.; Waddington, G.,
The chemical thermodynamic properties and rotational tautomerism of 1-propanethiol.,
J. Am. Chem. Soc., 1956, 78, 3266-72. [all data]
Anonymous, 1954
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 45, Tech. Rep. 13, Ohio State Univ., 1954. [all data]
Teja and Anselme, 1990
Teja, A.S.; Anselme, M.J.,
The critical properties of thermally stable and unstable fluids. II. 1986 results,
AIChE Symp. Ser., 1990, 86, 279, 122-7. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
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Pennington, Scott, et al., 1956, 2
Pennington, R.E.; Scott, D.W.; Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Hossenlopp, I.A.; Waddington, G.,
The chemical thermodynamic properties and rotational tautomerism of 1-propanethiol,
J. Am. Chem. Soc., 1956, 78, 3266-32. [all data]
Hubbard and Waddington, 1954
Hubbard, W.N.; Waddington, G.,
The heat of combustion, formation and isomerization of propanethiol-1, propane-thiol-2 and 2-thiabutane,
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Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [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
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Pennington, Scott, et al., 1956, 3
Pennington, R.E.; Scott, D.W.; Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Hossenlopp, I.A.; Waddington, G.,
The chemical thermodynamic properties and rotational tautomerism of 1-propanethiol,
J. Am. Chem. Soc., 1956, 78, 3266-3272. [all data]
Osborn and Douslin, 1966
Osborn, A.G.; Douslin, D.R.,
Vapor Pressure Relations of 36 Sulfur Compounds Present in Petroleum.,
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Hubbard and Waddington, 2010
Hubbard, Ward N.; Waddington, Guy,
The heats of combustion, formation and isomerization of propanethiol-1, propane-thiol-2 and 2-thiabutane,
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Taylor and Layng, 1933
Taylor, H. Austin; Layng, Edwin T.,
The Thermal Decomposition of Propyl Mercaptan,
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Domalski and Hearing, 1996
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Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
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Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
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Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S.,
Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules
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Ogata, Onizuka, et al., 1973
Ogata, H.; Onizuka, H.; Nihei, Y.; Kamada, H.,
The photoelectron spectra of alcohols, mercaptans and amines,
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Ionization potentials of some molecules,
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Bartmess, Scott, et al., 1979
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The gas phase acidity scale from methanol to phenol,
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Miller and Bruno, 2003
Miller, K.E.; Bruno, T.J.,
Isothermal Kováts retention indices of sulfur compounds on a poly(5% diphenyl-95% dimethylsiloxane) stationary phase,
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Garbuzov, Misharina, et al., 1985
Garbuzov, V.G.; Misharina, T.A.; Aerov, A.F.; Golovnya, R.V.,
Gas chromatographic retention indices for sulphur(II)-containing organic substances,
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Zygmunt, B.; Staszewski, R.,
Retention index and gas chromatographic-mass spectrometric identification of thiols in liquified gas,
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Golovnya, R.V.; Garbuzov, V.G.,
Effect of heteroatom in aliphatic sulfur- and oxygen-containing compounds on the values of the retention indices in gas chromatography,
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Golovnya and Arsen'ev, 1970
Golovnya, R.V.; Arsen'ev, Y.N.,
Gas-chromatographic method for the analysis of n-mercaptans and symmetrical n-sulfides and n-disulfides,
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Zhu, X.H.; Wang, W.; Schramm, K.-W.; Niu, W.,
Prediction of the Kova´ ts Retention Indices of Thiols by Use of Quantum Chemical and Physicochemical Descriptors,
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Möckel, H.J.; Zolg, M.,
Retentionsindices n-aliphatischer Schwefelverbindungen,
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Changes in selected biochemical and sensory parameters as affected by the superficial inoculation of Penicillium camemberti on dry fermented sausages,
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Farkas, P.; Hradský, P.; Kovác, M.,
Novel flavour components identified in the steamn distillate of onion (Allium cepa L.),
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Volatile constituents of the distilled oils of Welsh onions (Allium fistulosum L. variety Maichuon) and scallions (Allium fistulosum L. variety Caespitosum),
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Formation of meatlike aroma compounds from thermal reaction of inosine 5'-monophosphate with cysteine and glutathione,
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Nielsen, Larsen, et al., 2004
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Impact of blanching and packaging atmosphere on the formation of aroma compounds during long-term frozen storage of leek (Allium ampeloprasum Var. Bulga) slices,
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Determination of odor active aroma compounds in freshly cut leek (Allium ampeloprasum Var. Bulga) and in long-term stored frozen unblanched and blanched leek slices by gas chromatography olfactometry analysis,
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Storsberg, J.; Schulz, H.; Keusgen, M.; Tannous, F.; Dehmer, K.J.; Joachim Keller, E.R.,
Chemical characterization of interspecific hybrids between Allium cepa L. and Allium kermesinum Rchb.,
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Cha, Kim, et al., 1998
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Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
IE (evaluated) Recommended ionization energy Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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