1-Pentene
- Formula: C5H10
- Molecular weight: 70.1329
- IUPAC Standard InChIKey: YWAKXRMUMFPDSH-UHFFFAOYSA-N
- CAS Registry Number: 109-67-1
- 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: α-n-Amylene; Propylethylene; 1-C5H10; Pent-1-ene; 1-Pentene 95; Pentene-1
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Phase change data
Go To: Top, 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 304. ± 8. | K | AVG | N/A | Average of 30 out of 31 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 107.75 | K | N/A | Streiff, Murphy, et al., 1946 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 107.78 | K | N/A | Streiff, Murphy, et al., 1946 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 107.88 | K | N/A | Streiff, Murphy, et al., 1946 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 108.010 | K | N/A | Messerly, Todd, et al., 1990 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.003 K; TRC |
Ttriple | 107.790 | K | N/A | Messerly, Todd, et al., 1990 | Metastable crystal phase; Uncertainty assigned by TRC = 0.003 K; TRC |
Ttriple | 5.800 | K | N/A | Chao, Hall, et al., 1983 | Uncertainty assigned by TRC = 0.01 K; TRC |
Ttriple | 107.9 | K | N/A | Todd, Oliver, et al., 1947 | Uncertainty assigned by TRC = 0.5 K; this value not measured but taken from 1956-strmur 0; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 464.8 ± 0.5 | K | N/A | Tsonopoulos and Ambrose, 1996 | |
Tc | 464.7 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 465.1 | K | N/A | Wolfe, Kay, et al., 1983 | Uncertainty assigned by TRC = 0.3 K; $ %Y/SI 0.01 @Y/SI 0.3; TRC |
Tc | 463.77 | K | N/A | Mousa, Kay, et al., 1972 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tc | 464.74 | K | N/A | Ambrose, Cox, et al., 1960 | Uncertainty assigned by TRC = 0.03 K; Visual, PRT, IPTS-48; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 35.6 ± 0.5 | bar | N/A | Tsonopoulos and Ambrose, 1996 | |
Pc | 35.50 | bar | N/A | Wolfe, Kay, et al., 1983 | Uncertainty assigned by TRC = 0.20 bar; $ %Y/SI 1.5 @Y/SI 20.; TRC |
Pc | 35.510 | bar | N/A | Mousa, Kay, et al., 1972 | Uncertainty assigned by TRC = 0.0344 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.2984 | l/mol | N/A | Tsonopoulos and Ambrose, 1996 | |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.35 ± 0.05 | mol/l | N/A | Tsonopoulos and Ambrose, 1996 | |
ρc | 3.32 | mol/l | N/A | Wolfe, Kay, et al., 1983 | Uncertainty assigned by TRC = 0.03 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 29.82 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 25.5 | kJ/mol | N/A | Reid, 1972 | AC |
ΔvapH° | 25.5 ± 0.1 | kJ/mol | C | Scott, Waddington, et al., 1949 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
25.2 | 303.1 | N/A | Majer and Svoboda, 1985 | |
29.1 | 233. | A | Stephenson and Malanowski, 1987 | Based on data from 218. to 311. K.; AC |
26.7 | 295. | MM | Forziati, Camin, et al., 1950 | Based on data from 286. to 304. K.; AC |
26.9 | 288. | N/A | Scott, Waddington, et al., 1949 | Based on data from 273. to 334. K.; AC |
26.2 ± 0.1 | 284. | C | Scott, Waddington, et al., 1949 | AC |
25.2 ± 0.1 | 303. | C | Scott, Waddington, et al., 1949 | AC |
26.3 | 290. | N/A | Day, Nicholson, et al., 1948 | Based on data from 273. to 308. K.; AC |
25.7 | 341. | N/A | Day, Nicholson, et al., 1948 | Based on data from 313. to 368. 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 |
---|---|---|---|---|---|
284. to 303. | 39.71 | 0.2663 | 464.7 | 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 |
---|---|---|---|---|
285.98 to 303.87 | 3.91058 | 1014.294 | -43.367 | Forziati, Camin, et al., 1950, 2 |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
5.93739 | 108.016 | Messerly, Todd, et al., 1990, 2 | DH |
5.88168 | 107.797 | Messerly, Todd, et al., 1990, 2 | c(metastable)/liq; DH |
5.807 | 107.90 | Chao, Hall, et al., 1983, 2 | DH |
5.807 | 107.9 | Todd, Oliver, et al., 1947, 2 | DH |
5.81 | 107.9 | Acree, 1991 | See also Messerly, Todd, et al., 1990, 2.; AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
54.97 | 108.016 | Messerly, Todd, et al., 1990, 2 | DH |
54.56 | 107.797 | Messerly, Todd, et al., 1990, 2 | c(metastable)/liq; DH |
53.82 | 107.90 | Chao, Hall, et al., 1983, 2 | DH |
53.82 | 107.9 | Todd, Oliver, et al., 1947, 2 | DH |
Temperature of phase transition
Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|
71.7 | crystaline | glass | Takeda, Oguni, et al., 1990 | DH |
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.
Streiff, Murphy, et al., 1946
Streiff, A.J.; Murphy, E.T.; Sedlak, V.A.; Willingham, C.B.; Rossini, F.D.,
Purification, Purity, and Freezing Points of 7 Heptanes, 16 Octanes, 6 Pentene, Cyclopentene, and 7 C9H12 Alkylbenzenes of the API-Standard and API-NBS Series,
J. Res. Natl. Bur. Stand. (U. S.), 1946, 37, 331. [all data]
Messerly, Todd, et al., 1990
Messerly, J.F.; Todd, S.S.; Finke, H.L.; Lee-Bechtold, S.H.; Guthrie, G.B.; Steele, W.V.; Chirico, R.D.,
Heat capacities of pent-1-ene (10 K to 320 K), cis-hex-2-ene (10 K to 330 K), non-1-ene (10 K to 400 K) and hexadec-1-ene (10 K to 400 K),
J. Chem. Thermodyn., 1990, 22, 1107-28. [all data]
Chao, Hall, et al., 1983
Chao, J.; Hall, K.R.; Yao, J.M.,
Thermodynamic Properties of Simple Alkenes,
Thermochim. Acta, 1983, 64, 285. [all data]
Todd, Oliver, et al., 1947
Todd, S.S.; Oliver, G.D.; Huffman, H.M.,
The heat capacities, heats of fusion and entropies of the six pentenes.,
J. Am. Chem. Soc., 1947, 69, 1519. [all data]
Tsonopoulos and Ambrose, 1996
Tsonopoulos, C.; Ambrose, D.,
Vapor-Liquid Critical Properties of Elements and Compounds. 6. Unsaturated Aliphatic Hydrocarbons,
J. Chem. Eng. Data, 1996, 41, 645-656. [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]
Wolfe, Kay, et al., 1983
Wolfe, D.; Kay, W.B.; Teja, A.S.,
Phase Equilibria in the n-Pentane + Pent-1-ene System 1. Critical States,
J. Chem. Eng. Data, 1983, 28, 319. [all data]
Mousa, Kay, et al., 1972
Mousa, A.H.N.; Kay, W.B.; Kreglewski, A.,
The critical constants of binary mixtures of certain perfluoro-compounds with alkanes,
J. Chem. Thermodyn., 1972, 4, 301-11. [all data]
Ambrose, Cox, et al., 1960
Ambrose, D.; Cox, J.D.; Townsend, R.,
The critical temperatures of forty organic compounds,
Trans. Faraday Soc., 1960, 56, 1452. [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,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [all data]
Scott, Waddington, et al., 1949
Scott, D.W.; Waddington, G.; Smith, J.C.; Huffman, H.M.,
Thermodynamic properties of three isomeric pentenes,
J. Am. Chem. Soc., 1949, 71, 2767-2773. [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]
Forziati, Camin, et al., 1950
Forziati, A.F.; Camin, D.L.; Rossini, F.D.,
Density, refractive index, boiling point, and vapor pressure of eight monoolefin (1-alkene), six pentadiene, and two cyclomonoolefin hydrocarbons,
J. RES. NATL. BUR. STAN., 1950, 45, 5, 406, https://doi.org/10.6028/jres.045.044
. [all data]
Day, Nicholson, et al., 1948
Day, H.O.; Nicholson, D.E.; Felsing, W.A.,
The Vapor Pressures and Some Related Quantities of Pentene-1 from 0 to 200°,
J. Am. Chem. Soc., 1948, 70, 5, 1784-1785, https://doi.org/10.1021/ja01185a037
. [all data]
Forziati, Camin, et al., 1950, 2
Forziati, a.F.; Camin, D.L.; Rossini, F.D.,
Density, refractive index, boiling point, and vapor pressure of eight monoolefin (1-alkene), six pentadiene, and two cyclomonoolefin hydrocarbons,
J. Res. NBS, 1950, 45, 406-410. [all data]
Messerly, Todd, et al., 1990, 2
Messerly, J.F.; Todd, S.S.; Finke, H.L.; Lee-Bechtold, S.H.; Guthrie, G.B.; Steele, W.V.; Chirico, R.D.,
Heat capacities of pent-1-ene (10K to 320K), cis-hex-2-ene (10K to 330K), non-1-ene (10K to 400K), and hexadec-1-ene (10K to 400K),
J. Chem. Thermodynam., 1990, 22, 1107-1128. [all data]
Chao, Hall, et al., 1983, 2
Chao, J.; Hall, K.R.; Yao, J.M.,
Thermodynamic properties of simple alkenes,
Thermochim. Acta, 1983, 64(3), 285-303. [all data]
Todd, Oliver, et al., 1947, 2
Todd, S.S.; Oliver, G.D.; Huffman, H.M.,
The heat capacities, heats of fusion and entropies of the six pentenes,
J. Am. Chem. Soc., 1947, 69, 1519-1525. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Takeda, Oguni, et al., 1990
Takeda, K.; Oguni, M.; Suga, H.,
A DTA apparatus for vapour-deposited samples. Characterisation of some vapour-deposited hydrocarbons,
Thermochim. Acta, 1990, 158(1), 195-203. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature Ttrs Temperature of phase transition Vc Critical volume ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion 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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