Chemical Properties of «beta»-D-Glucopyranose, 4-O-«beta»-D-galactopyranosyl- (CAS 5965-66-2)

InChI

InChI=1S/C12H22O11/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/t3-,4-,5+,6+,7-,8-,9-,10+,11-,12-/m0/s1

InChI Key

GUBGYTABKSRVRQ-OXMKDSILSA-N

Formula

C12H22O11

SMILES

OCC1OC(OC2C(CO)OC(O)C(O)C2O)C(O)C(O)C1O

Molecular Weight¹

342.30

CAS

5965-66-2

Other Names

• Lactose, «beta»-
• «beta»-Lactose
• 4-O-«beta»-D-Galactopyranosyl-«beta»-D-glucopyranose
• beta-Lactose
• «beta»-D-Lactose
• Lactopress

• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,solid : Solid phase heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• Δ_fH°_solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• S°_{solid,1 bar} : Solid phase molar entropy at standard conditions (J/mol×K).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔcH°solid	-5629.45 ± 0.50	kJ/mol	NIST
ΔfH°solid	-2236.70 ± 0.71	kJ/mol	NIST
ΔfusH°	68.92	kJ/mol	Joback Calculated Property
log10WS	0.12		Relay (1.0) Calculated Property
logPoct/wat	-5.397		Crippen Calculated Property
McVol	222.790	ml/mol	McGowan Calculated Property
S°solid,1 bar	[386.20; 403.30]	J/mol×K
S°solid,1 bar	386.20	J/mol×K	NIST
S°solid,1 bar	403.30	J/mol×K	NIST
Tfus	456.31	K	Relay (1.0) Calculated Property

Cheméo can also estimate Normal Boiling Point Temperature, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[641.99; 889.71]	J/mol×K	[1289.46; 1783.82]
Cp,gas	889.71	J/mol×K	1289.46	Joback Calculated Property
Cp,gas	874.12	J/mol×K	1371.85	Joback Calculated Property
Cp,gas	848.56	J/mol×K	1454.25	Joback Calculated Property
Cp,gas	812.80	J/mol×K	1536.64	Joback Calculated Property
Cp,gas	766.60	J/mol×K	1619.03	Joback Calculated Property
Cp,gas	709.75	J/mol×K	1701.43	Joback Calculated Property
Cp,gas	641.99	J/mol×K	1783.82	Joback Calculated Property
Cp,solid	[399.78; 408.27]	J/mol×K	[289.44; 298.44]
Cp,solid	399.78	J/mol×K	289.44	NIST
Cp,solid	408.27	J/mol×K	298.44	NIST
η	[1.2390430e-11; 2.0238363e-08]	Pa×s	[767.77; 1289.46]
η	2.0238363e-08	Pa×s	767.77	Joback Calculated Property
η	3.1497617e-09	Pa×s	854.72	Joback Calculated Property
η	6.9115221e-10	Pa×s	941.67	Joback Calculated Property
η	1.9598804e-10	Pa×s	1028.62	Joback Calculated Property
η	6.7640490e-11	Pa×s	1115.56	Joback Calculated Property
η	2.7226863e-11	Pa×s	1202.51	Joback Calculated Property
η	1.2390430e-11	Pa×s	1289.46	Joback Calculated Property

Similar Compounds

Find more compounds similar to «beta»-D-Glucopyranose, 4-O-«beta»-D-galactopyranosyl-.

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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