α-D-Glucopyranose, 4-O-β-D-galactopyranosyl-, hydrate (1:1)
- Formula: C12H22O11·H2O
- Molecular weight: 360.3118
- IUPAC Standard InChI: InChI=1S/C12H22O11.H2O/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17;/h3-20H,1-2H2;1H2
- IUPAC Standard InChIKey: WSVLPVUVIUVCRA-UHFFFAOYSA-N
- CAS Registry Number: 5989-81-1
- 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: .alpha.-D-Glucopyranose, 4-O-.beta.-D-galactopyranosyl-, monohydrate; α-Lactose monohydrate
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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 | 99.09 | cal/mol*K | N/A | Anderson and Stegeman, 1941 | Extrapolation below 90 K, 101.3 J/mol*K. |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 105.06 | 297.42 | Anderson and Stegeman, 1941 | T = 60 to 298 K. Value is unsmoothed experimental datum. |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Anderson and Stegeman, 1941
Anderson, A.G.; Stegeman, G.,
The heat capacities and entropies of three disacchardes,
J. Am. Chem. Soc., 1941, 63, 2119-2121. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- 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) - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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