D-Galactose
- Formula: C6H12O6
- Molecular weight: 180.1559
- IUPAC Standard InChI: InChI=1S/C6H12O6/c7-1-3(9)5(11)6(12)4(10)2-8/h1,3-6,8-12H,2H2/t3-,4+,5+,6-/m0/s1
- IUPAC Standard InChIKey: GZCGUPFRVQAUEE-KCDKBNATSA-N
- CAS Registry Number: 59-23-4
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: Galactose, D-; D-(+)-Galactose; Galactose
- 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
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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: Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°solid,1 bar | 205.4 | J/mol*K | N/A | Jack and Stegeman, 1941 | crystaline, α phase; Extrapolation below 90 K, 48.95 J/mol*K. |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 216.3 | 300. | Kawaizumi, Nishio, et al., 1981 | T = 270 to 325 K. Cp given as 1.20 J/g*K. |
| 220.54 | 296.9 | Jack and Stegeman, 1941 | crystaline, α phase; T = 64 to 297 K. Value is unsmoothed experimental datum. |
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 fusion
| ΔfusH (kJ/mol) | Temperature (K) | Reference |
|---|---|---|
| 43.8 | 436.2 | Jónsdóttir, Cooke, et al., 2002 |
THz IR spectrum
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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: Edwin J. Heilweil and Matthew B. Campbell
Condensed Phase Spectrum
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Additional Data
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| Owner | Collection (C) 2005 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| State | Solid (powder) |
| Sample description | 4.8 mg + 113.2 mg polyethylene spectrograde powder |
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
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| 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 | RADIAN CORP |
| NIST MS number | 76356 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, THz IR spectrum, Mass spectrum (electron ionization), NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Jack and Stegeman, 1941
Jack, G.W.; Stegeman, G.,
The heat capacities and entropies of two monosaccharides,
J. Am. Chem. Soc., 1941, 63, 2121-2123. [all data]
Kawaizumi, Nishio, et al., 1981
Kawaizumi, F.; Nishio, N.; Nomura, H.; Miyahara, Y.,
Heat-capacity measurements of aqueous solutions of mono-, di-, and tri-saccharides using an isoperibol twin calorimeter,
J. Chem. Thermodynam., 1981, 13, 89-98. [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]
Notes
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- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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