α-Tocopheryl acetate
- Formula: C31H52O3
- Molecular weight: 472.7428
- IUPAC Standard InChI: InChI=1S/C31H52O3/c1-21(2)13-10-14-22(3)15-11-16-23(4)17-12-19-31(9)20-18-28-26(7)29(33-27(8)32)24(5)25(6)30(28)34-31/h21-23H,10-20H2,1-9H3/t22-,23-,31-/m0/s1
- IUPAC Standard InChIKey: ZAKOWWREFLAJOT-BVXAZASISA-N
- CAS Registry Number: 58-95-7
- 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. - Stereoisomers:
- Other names: 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-, acetate, [2R-[2R*(4R*,8R*)]]-; Vitamin E acetate; 6-Chromanol, 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-, acetate, (+)-; α-Tocopherol acetate; (+)-α-Tocopherol acetate; (+)-α-Tocopheryl acetate; D-α-tocopherol acetate; D-α-tocopheryl acetate; Alfacol; Combinal E; Contopheron; E-Ferol; E-Toplex; Ecofrol; Econ; Endo E Dompe; Ephynal acetate; Epsilan-M; Erevit; Evipherol; Fertilvit; Gevex; Juvela; Tocopherex; Tocophrin; Tofaxin; Tokoferol acetate; [2R-[2R*(4R,8R*)]]-3,4-Dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-1-benzopyran-6-ol acetate; d-Vitamin E acetate; E-vicotrat; Spondyvit; (2R,4'R,8'R)-α-Tocopheryl acetate; (R,R,R)-α-Tocopheryl acetate; Copherol 1250; Covitol 1100; Covitol 1360; Tocopheryl acetate; Vitamin Ealpha acetate
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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 by: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 14.4 ± 0.31 | 496. | Baglay, Gurariy, et al., 1988 | Based on data from 466. to 524. K. |
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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Ultra-1 | 3131. | Tokuda, Saitoh, et al., 1988 | 12.5 m/0.20 mm/0.11 μm, He, 5. K/min, 325. C @ 5. min; Tstart: 120. C |
| Capillary | Ultra-1 | 3132. | Tokuda, Saitoh, et al., 1988 | 12.5 m/0.20 mm/0.11 μm, He, 5. K/min, 325. C @ 5. min; Tstart: 120. C |
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.
Baglay, Gurariy, et al., 1988
Baglay, A.K.; Gurariy, L.L.; Kuleshov, G.G.,
Physical properties of compounds used in vitamin synthesis,
J. Chem. Eng. Data, 1988, 33, 512-518. [all data]
Tokuda, Saitoh, et al., 1988
Tokuda, H.; Saitoh, E.; Kimura, Y.; Takano, S.,
Automated analysis of various compounds with a wide range of boiling points by capillary gas chromatgraphy based on retention indices,
J. Chromatogr., 1988, 454, 109-120, https://doi.org/10.1016/S0021-9673(00)88606-9
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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