Xylose
- Formula: C5H10O5
- Molecular weight: 150.1299
- IUPAC Standard InChIKey: PYMYPHUHKUWMLA-VPENINKCSA-N
- CAS Registry Number: 58-86-6
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: D-Xylose; Xylose, d-; (+)-Xylose; Xylo-Pfan; D-(+)-Xylose; Wood sugar
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Comments:
- Although only a single structure is shown, this species may exist in several forms including a linear molecule, a five membered ring and a six membered ring.
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), 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: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°solid,1 bar | 143.5 | J/mol*K | N/A | Miller, 1935 | Extrapolation below 90 K, 31.38 J/mol*K. |
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 sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
158.0 ± 3.1 | 382. | ME | Oja and Suuberg, 1999 | Based on data from 370. to 395. K. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference |
---|---|---|
31.7 | 416.2 | Jónsdóttir, Cooke, et al., 2002 |
Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C5H10O5 = C5H10O5
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.09 ± 0.67 | kJ/mol | Ciso | Tewari, Steckler, et al., 1985 | liquid phase; solvent: Water |
Mass spectrum (electron ionization)
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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
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-IW-4308 |
NIST MS number | 228124 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Miller, 1935
Miller, P.,
The free energy of furfural and some of its derivatives,
Iowa State Coll. J. Sci., 1935, 10, 91-93. [all data]
Oja and Suuberg, 1999
Oja, V.; Suuberg, E.M.,
Vapor Pressures and Enthalpies of Sublimation of,
J. Chem. Eng. Data, 1999, 44, 1, 26-29, https://doi.org/10.1021/je980119b
. [all data]
Jónsdóttir, Cooke, et al., 2002
Jónsdóttir, Svava Ósk; Cooke, Stephen A.; Macedo, Eugénia A.,
Modeling and measurements of solid--liquid and vapor--liquid equilibria of polyols and carbohydrates in aqueous solution,
Carbohydrate Research, 2002, 337, 17, 1563-1571, https://doi.org/10.1016/S0008-6215(02)00213-6
. [all data]
Tewari, Steckler, et al., 1985
Tewari, Y.B.; Steckler, D.K.; Goldberg, R.N.,
Thermodynamics of the conversion of aqueous xylose to xylulose,
Biophys. Chem., 1985, 22, 181-185. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References
- Symbols used in this document:
S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔfusH Enthalpy of fusion ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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