Chemical Properties of Lactose (CAS 63-42-3)

Lactose

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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
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Physical Properties

Property Value Unit Source
Δf -1334.42 kJ/mol Joback Calculated Property
Δfgas -1959.15 kJ/mol Joback Calculated Property
Δfus 68.92 kJ/mol Joback Calculated Property
Δvap 185.55 kJ/mol Joback Calculated Property
log10WS [-0.24; -0.24]   Show Hide
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] Show Hide
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] Show Hide
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

D-cellobiose. Cellobiose. «beta»-D-Glucopyranose, 4-O-«beta»-D-galactopyranosyl-. «alpha»-D-Glucopyranose, 4-O-«beta»-D-galactopyranosyl-. Maltose. melibiose. D-glucose, 4,6-o-ethylidene. cyclohexapentylose. D-glucose anhydrous. «alpha»-d-Galactopyranose. «alpha»-D-Glucose. «alpha»-D-Glucopyranose. «beta»-D-Glucopyranose. «beta»-D-Glucopyranose. Hexopyranose.

Find more compounds similar to Lactose.

Mixtures

Sources

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