Styrene
- Formula: C8H8
- Molecular weight: 104.1491
- IUPAC Standard InChIKey: PPBRXRYQALVLMV-UHFFFAOYSA-N
- CAS Registry Number: 100-42-5
- 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: Benzene, ethenyl-; Bulstren K-525-19; Cinnamene; Phenethylene; Phenylethene; Phenylethylene; Styrol (German); Styrole; Styrolene; Styropol SO; Vinylbenzene; Vinylbenzol; Ethenylbenzene; Cinnaminol; Cinnamol; Styrol; Benzene, vinyl-; Cinnamenol; Ethylene, phenyl-; NCI-C02200; Stirolo; Styreen; Styren; Styrene monomer; Vinylbenzen; Annamene; NSC 62785; ethenylbenzene (styrene); Vinylbenzene (styrene)
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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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 419. ± 2. | K | AVG | N/A | Average of 18 out of 19 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 240. ± 30. | K | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 242.47 | K | N/A | Pitzer, Guttman, et al., 1946 | Uncertainty assigned by TRC = 0.07 K; TRC |
Ttriple | 242.47 | K | N/A | Guttman, Westrum, et al., 1943 | Uncertainty assigned by TRC = 0.1 K; TRC |
Ttriple | 242.47 | K | N/A | Guttman, 1943 | Uncertainty assigned by TRC = 0.1 K; temperature scale based on To = 273.16 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 43.93 ± 0.42 | kJ/mol | V | Pitzer, Guttman, et al., 1946, 2 | ALS |
ΔvapH° | 43.9 | kJ/mol | N/A | Pitzer, Guttman, et al., 1946, 3 | Based on data from 285. to 333. K.; AC |
ΔvapH° | 43.5 ± 0.4 | kJ/mol | N/A | Pitzer, Guttman, et al., 1946, 3 | AC |
ΔvapH° | 43.5 | kJ/mol | N/A | Prosen and Rossini, 1945 | DRB |
ΔvapH° | 43.2 | kJ/mol | N/A | Patnode and Scheiber, 1939 | Based on data from 245. to 357. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
42.5 | 260. | A | Stephenson and Malanowski, 1987 | Based on data from 245. to 334. K.; AC |
41.5 | 349. | A | Stephenson and Malanowski, 1987 | Based on data from 334. to 419. K.; AC |
42.5 | 319. | N/A | Chaiyavech and Van Winkle, 1959 | Based on data from 306. to 333. K.; AC |
43.1 | 318. | N/A | Dreyer, Martin, et al., 1955 | Based on data from 303. to 417. K.; AC |
40.2 | 348. | N/A | Burchfield, 1942 | Based on data from 306. to 389. K.; 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 |
---|---|---|---|---|---|
305.6 to 355.34 | 4.0593 | 1459.909 | -59.551 | Chaiyavech and Van Winkle, 1959 | Coefficents calculated by NIST from author's data. |
303.07 to 417.92 | 4.21948 | 1525.059 | -56.379 | Dreyer, Martin, et al., 1955 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.964 | 242.27 | Warfield and Petree, 1961 | DH |
10.949 | 242.27 | Pitzer, Guttman, et al., 1946, 3 | DH |
10.950 | 242.47 | Guttman and Westrum, 1943 | DH |
10.950 | 242.47 | Lebedev, Lebedev, et al., 1985 | DH |
10.96 | 242.3 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
45.32 | 242.27 | Warfield and Petree, 1961 | DH |
45.16 | 242.27 | Pitzer, Guttman, et al., 1946, 3 | DH |
45.16 | 242.47 | Guttman and Westrum, 1943 | DH |
45.2 | 242.47 | Lebedev, Lebedev, et al., 1985 | 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.
Pitzer, Guttman, et al., 1946
Pitzer, K.S.; Guttman, L.; Westrum, E.F.,
The Heat Capacity, Heats of Fusion and Vaporization, Vapor Pressure Entropy, Vib. Frequencies, and Barrier to Internal Rotation of Styrene,
J. Am. Chem. Soc., 1946, 68, 2209. [all data]
Guttman, Westrum, et al., 1943
Guttman, L.; Westrum, E.F.; Pitzer, K.S.,
The Thermodynamics of Styrene (Phenylethylene) Including the Equilibrium Formation from Ethylbenzene,
J. Am. Chem. Soc., 1943, 65, 1246. [all data]
Guttman, 1943
Guttman, L.,
, Ph.D. Thesis, Univ. Calif., Berkeley, 1943. [all data]
Pitzer, Guttman, et al., 1946, 2
Pitzer, K.S.; Guttman, L.; Westrum, E.F., Jr.,
The heat capacity, heats of fusion and vaporization, vapor pressure, entropy, vibration frequencies and barrier to internal rotation of styrene,
J. Am. Chem. Soc., 1946, 68, 2209-22. [all data]
Pitzer, Guttman, et al., 1946, 3
Pitzer, K.S.; Guttman, L.; Westrum, E.F.,
Jr., The heat capacity, heats of fusion and vaporization, vapor pressure, entropy vibration frequencies and barrier to internal rotation of styrene,
J. Am. Chem. Soc., 1946, 68, 2209-2212. [all data]
Prosen and Rossini, 1945
Prosen, E.J.; Rossini, F.D.,
Heats of formation and combustion of 1,3-butadiene and styrene,
J. Res. NBS, 1945, 34, 59-63. [all data]
Patnode and Scheiber, 1939
Patnode, Winton.; Scheiber, W.J.,
The Density, Thermal Expansion, Vapor Pressure, and Refractive Index of Styrene, and the Density and Thermal Expansion of Polystyrene,
J. Am. Chem. Soc., 1939, 61, 12, 3449-3451, https://doi.org/10.1021/ja01267a066
. [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]
Chaiyavech and Van Winkle, 1959
Chaiyavech, Pramote; Van Winkle, Matthew,
Styrene-Ethylbenzene Vapor-Liquid Equilibria at Reduced Pressures.,
J. Chem. Eng. Data, 1959, 4, 1, 53-56, https://doi.org/10.1021/je60001a008
. [all data]
Dreyer, Martin, et al., 1955
Dreyer, R.; Martin, W.; von Weber, U.,
Die S«65533»ttigungsdampfdrucke von Benzol, Toluol, «65533»thylbenzol, Styrol, Cumol und Brombenzol zwischen 10 und 760 Torr,
J. Prakt. Chem., 1955, 1, 5-6, 324-328, https://doi.org/10.1002/prac.19550010508
. [all data]
Burchfield, 1942
Burchfield, P.E.,
Vapor Pressures of Indene, Styrene and Dicyclopentadiene,
J. Am. Chem. Soc., 1942, 64, 10, 2501-2501, https://doi.org/10.1021/ja01262a504
. [all data]
Warfield and Petree, 1961
Warfield, R.W.; Petree, M.C.,
Thermodynamic properties of polystyrene and styrene,
J. Polymer Sci., 1961, 55, 497-505. [all data]
Guttman and Westrum, 1943
Guttman, L.; Westrum, E.F.,
Jr., and Pitzer, K.S., The thermodynamics of styrene (phenylethylene), including equilibrium of formation from ethylbenzene,
J. Am. Chem. Soc., 1943, 65, 1246-1247. [all data]
Lebedev, Lebedev, et al., 1985
Lebedev, B.V.; Lebedev, N.K.; Smirnova, N.N.; Kozyreva, N.M.; Kirillin, A.I.; Korshak, V.V.,
The isotope effect in the thermodynamic parameters of polymerization of styrene,
Dokl. Akad. Nauk, 1985, SSSR 281, 379-383. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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