- 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-SDWOOCBUSA-N
- Formula
- C12H22O11
- SMILES
-
OCC1OC(OC2C(CO)OC(O)C(O)C2O)C(
O)C(O)C1O - Molecular Weight1
- 342.30
- CAS
- 63-42-3
- Other Names
-
- (+)-Lactose
- 4-(«beta»-D-Galactosido)-D-glucose
- 4-(«beta»-D-Galactosido)-D-glucose
- 4-O-.beta.-D-galactopyranosyl-D-glucose
- AHL
- Aletobiose
- D-(+)-lactose
- D-Glucose, 4-O-«beta»-D-galactopyranosyl-
- D-Glucose, 4-O-«beta»-D-galactopyranosyl-
- D-Lactose
- D-glucose, 4-(beta-d-galactosido)-
- Fast-Flo Lactose
- Fast-flo
- Galactinum
- Lactin
- Lactin (carbohydrate)
- Lactobiose
- Lactose Fast-flo
- Milk sugar
- Osmolactan
- Pharmatose 21
- Saccharum lactin
- Tablettose
- Zeparox EP
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,solid : Solid phase heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfG° | -1334.42 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -1959.15 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 68.92 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 185.55 | kJ/mol | Joback Calculated Property |
| log10WS | [-0.24; -0.24] |
|
|
| log10WS | -0.24 | Aq. Sol... | |
| log10WS | -0.24 | Estimat... | |
| logPoct/wat | -5.397 | Crippen Calculated Property | |
| McVol | 222.790 | ml/mol | McGowan Calculated Property |
| Pc | 4311.22 | kPa | Joback Calculated Property |
| Tboil | 1289.46 | K | Joback Calculated Property |
| Tc | 1783.82 | K | Joback Calculated Property |
| Tfus | 767.77 | K | Joback Calculated Property |
| Vc | 0.777 | m3/kmol | Joback Calculated Property |
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 | 417.60 | J/mol×K | 300.00 | 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 Lactose.
Mixtures
- Lactose + Glycine + Water
- Lactose + D-Alanine + Water
- Lactose + D-Valine + Water
- Lactose + D-Leucine + Water
- Lactose + Water
Sources
- Crippen Method
- Volumetric behaviour of amino acids and their group contributions in aqueous lactose solutions at different temperatures
- Effect of fruit and milk sugars on solute-solvent interactions of diphenhydramine-hydrochloride drug in aqueous solutions in viewpoint of volumetric and transport properties
- Joback Method
- Aqueous Solubility Prediction Method
- Estimated Solubility Method
- McGowan Method
- NIST Webbook
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