Isobutylene epoxide
- Formula: C4H8O
- Molecular weight: 72.1057
- IUPAC Standard InChI: InChI=1S/C4H8O/c1-4(2)3-5-4/h3H2,1-2H3
- IUPAC Standard InChIKey: GELKGHVAFRCJNA-UHFFFAOYSA-N
- CAS Registry Number: 558-30-5
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Oxirane, 2,2-dimethyl-; Propane, 1,2-epoxy-2-methyl-; Isobutene oxide; Isobutylene oxide; 1,1-Dimethylethylene oxide; 1,2-Epoxy-2-methylpropane; 1,2-Isobutylene oxide; 2-Methyl-1-propene oxide; 2-Methyl-1,2-epoxypropane; 2,2-Dimethyloxirane; 1,2-Epoxyisobutane; NSC 24249
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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:
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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 328. ± 20. | K | AVG | N/A | Average of 6 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 207. | K | N/A | Anonymous, 1954 | Uncertainty assigned by TRC = 0.6 K; TRC |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 30.6 | 219. | A | Stephenson and Malanowski, 1987 | Based on data from 204. to 329. K. See also Stull, 1947.; 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 |
|---|---|---|---|---|---|
| 204. to 328.7 | 3.75134 | 1075.484 | -41.77 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Gas Chromatography
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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 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 | OV-101 | 70. | 534.4 | Boneva and Dimov, 1987 | 100. m/0.27 mm/0.9 μm |
| Capillary | OV-101 | 80. | 534.7 | Boneva and Dimov, 1987 | 100. m/0.27 mm/0.9 μm |
| Capillary | OV-101 | 90. | 535.0 | Boneva and Dimov, 1987 | 100. m/0.27 mm/0.9 μm |
| Packed | Apiezon L | 120. | 507. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
| Packed | Apiezon L | 160. | 510. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | Methyl Silicone | 60. | 500. | Cao and Zhang, 2006 | Column length: 50. m; Column diameter: 0.25 mm |
| Capillary | Methyl Silicone | 70. | 500. | Cao and Zhang, 2006 | Column length: 50. m; Column diameter: 0.25 mm |
| Capillary | Methyl Silicone | 80. | 500. | Cao and Zhang, 2006 | Column length: 50. m; Column diameter: 0.25 mm |
| Packed | Apieson L | 120. | 513. | Kurdina, Markovich, et al., 1969 | not specified, not specified |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Anonymous, 1954
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 45, Tech. Rep. 13, Ohio State Univ., 1954. [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]
Boneva and Dimov, 1987
Boneva, S.; Dimov, N.,
Gas chromatographic separation of C4-C5 epoxides on a glass capillary column coated with OV-101 methylsilicone,
Chromatographia, 1987, 23, 10, 770-772, https://doi.org/10.1007/BF02312672
. [all data]
Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S.,
Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]
Cao and Zhang, 2006
Cao, J.; Zhang, H.,
Inquire into qualitative analysis of epoxyalkyl isomeride,
Contemporary Chem. Ind. (Chinese), 2006, 35, 5, 374-377. [all data]
Kurdina, Markovich, et al., 1969
Kurdina, Z.G.; Markovich, V.E.; Sakharov, V.M.,
Gas chromatography of cyclic O-containing compounds
in Gas chromatography, Issue # 10, NIITEKhim, Moscow, 1969, 128-133. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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