Chemical Properties of 1,2-Ethanediol (CAS 107-21-1)

1,2-Ethanediol

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InChI
InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
InChI Key
LYCAIKOWRPUZTN-UHFFFAOYSA-N
Formula
C2H6O2
SMILES
OCCO
Molecular Weight1
62.07
CAS
107-21-1
Other Names
  • 1,2-Dihydroxyethane
  • 1,2-Ethandiol
  • 1,2-Ethylene glycol
  • 146AR
  • 2-Hydroxyethanol
  • Aethylenglykol
  • Aliphatic diol
  • Athylenglykol
  • Dihydroxyethane
  • Dowtherm SR 1
  • Ethane-1,2-diol
  • Ethanediol
  • Ethylene alcohol
  • Ethylene dihydrate
  • Ethylene glycol
  • Ethylene gycol
  • Fridex
  • Glycol
  • Glycol alcohol
  • Glygen
  • HOCH2CH2OH
  • Ilexan E
  • Lutrol 9
  • M.e.g.
  • MEG 100
  • Macrogol 400 BPC
  • Monoethylene glycol
  • NSC 93876
  • Norkool
  • Ramp
  • Tescol
  • Ucar 17
  • Union Carbide XL 54 Type I De-icing Fluid
  • Zerex
Sources

Physical Properties

Property Value Unit Source
PAff 815.90 kJ/mol NIST
BasG 773.60 kJ/mol NIST
Δcliquid [-1202.60; -1184.60] kJ/mol Show Hide
Δcliquid -1184.60 ± 2.80 kJ/mol NIST
Δcliquid -1188.80 ± 0.67 kJ/mol NIST
Δcliquid -1190.20 kJ/mol NIST
Δcliquid -1189.00 ± 0.80 kJ/mol NIST
Δcliquid -1189.60 ± 0.71 kJ/mol NIST
Δcliquid Outlier -1202.60 ± 1.20 kJ/mol NIST
Δcliquid -1191.40 ± 1.20 kJ/mol NIST
Δf -307.68 kJ/mol Joback Calculated Property
Δfgas [-394.40; -387.50] kJ/mol Show Hide
Δfgas -394.40 ± 2.80 kJ/mol NIST
Δfgas -388.00 ± 2.00 kJ/mol NIST
Δfgas -390.30 kJ/mol NIST
Δfgas -389.30 kJ/mol NIST
Δfgas -387.50 kJ/mol NIST
Δfliquid [-460.00; -453.10] kJ/mol Show Hide
Δfliquid -460.00 ± 2.80 kJ/mol NIST
Δfliquid -455.60 ± 0.80 kJ/mol NIST
Δfliquid -455.85 kJ/mol NIST
Δfliquid -454.90 ± 0.30 kJ/mol NIST
Δfliquid -453.10 ± 1.20 kJ/mol NIST
Δfus 9.11 kJ/mol Joback Calculated Property
Δvap [63.40; 68.20] kJ/mol Show Hide
Δvap 65.40 ± 0.30 kJ/mol NIST
Δvap 66.00 ± 0.20 kJ/mol NIST
Δvap 66.20 kJ/mol NIST
Δvap 63.40 ± 0.10 kJ/mol NIST
Δvap 65.60 kJ/mol NIST
Δvap 65.60 ± 0.30 kJ/mol NIST
Δvap 65.60 ± 0.30 kJ/mol NIST
Δvap 63.70 ± 0.10 kJ/mol NIST
Δvap 66.10 ± 0.30 kJ/mol NIST
Δvap 68.20 ± 0.80 kJ/mol NIST
Δvap 67.60 kJ/mol NIST
Δvap 63.60 kJ/mol NIST
Δvap 63.80 kJ/mol NIST
IE [10.16; 10.55] eV Show Hide
IE 10.16 eV NIST
IE 10.55 eV NIST
IE 10.55 eV NIST
IE 10.50 eV NIST
logPoct/wat -1.029 Crippen Calculated Property
Pc 8200.00 ± 200.00 kPa NIST
Pc 9000.00 ± 100.00 kPa NIST
Pc 13100.00 ± 1000.00 kPa NIST
gas 311.84 J/mol×K NIST
liquid 166.90 J/mol×K NIST
liquid 179.50 J/mol×K NIST
Tboil [455.00; 472.15] K Show Hide
Tboil 471.20 K NIST
Tboil 470.45 ± 0.30 K NIST
Tboil 470.45 ± 0.05 K NIST
Tboil 470.00 ± 2.00 K NIST
Tboil 470.75 K NIST
Tboil 472.15 ± 0.30 K NIST
Tboil 470.55 ± 0.15 K NIST
Tboil 470.55 ± 0.50 K NIST
Tboil 470.55 ± 0.15 K NIST
Tboil 469.90 ± 1.00 K NIST
Tboil Outlier 455.00 ± 1.00 K NIST
Tboil 470.35 ± 0.50 K NIST
Tboil 468.65 ± 2.00 K NIST
Tboil 470.55 ± 0.60 K NIST
Tboil 470.55 ± 0.30 K NIST
Tboil 470.70 ± 0.50 K NIST
Tboil 470.45 ± 0.25 K NIST
Tboil 470.35 ± 0.50 K NIST
Tboil 471.00 ± 0.10 K NIST
Tboil 470.40 ± 0.50 K NIST
Tboil 470.55 ± 0.40 K NIST
Tboil 466.15 ± 3.00 K NIST
Tboil 470.60 ± 0.50 K NIST
Tboil 470.60 ± 0.50 K NIST
Tboil 470.60 ± 0.50 K NIST
Tboil 470.60 ± 0.50 K NIST
Tboil 470.55 ± 0.50 K NIST
Tboil 470.70 ± 0.50 K NIST
Tboil 470.00 ± 2.00 K NIST
Tboil 470.52 ± 0.50 K NIST
Tboil 470.65 ± 2.00 K NIST
Tboil 470.65 ± 3.00 K NIST
Tc [645.00; 790.00] K Show Hide
Tc 720.00 ± 4.00 K NIST
Tc 720.00 ± 1.00 K NIST
Tc 718.00 ± 1.00 K NIST
Tc 645.00 ± 30.00 K NIST
Tc 790.00 ± 30.00 K NIST
Tfus [259.25; 262.00] K Show Hide
Tfus 260.46 ± 0.05 K NIST
Tfus 260.45 K NIST
Tfus 260.15 ± 0.50 K NIST
Tfus 259.25 ± 0.50 K NIST
Tfus 260.55 ± 0.25 K NIST
Tfus 259.95 ± 0.50 K NIST
Tfus 260.55 ± 0.40 K NIST
Tfus 262.00 ± 1.50 K NIST
Tfus 261.70 ± 1.00 K NIST
Ttriple [256.60; 260.80] K Show Hide
Ttriple 256.60 ± 0.20 K NIST
Ttriple 260.60 ± 0.20 K NIST
Ttriple 260.60 ± 0.20 K NIST
Ttriple 260.80 ± 0.30 K NIST
Vc 0.185 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 99.75 J/mol×K 429.52 Joback Calculated Property
Cp,liquid [145.20; 150.60] J/mol×K [293.00; 303.00] Show Hide
Plot of Liquid phase heat capacity.
Cp,liquid 149.40 J/mol×K 293.0 NIST
Cp,liquid 145.60 J/mol×K 293.4 NIST
Cp,liquid 149.80 J/mol×K 298.0 NIST
Cp,liquid 149.30 J/mol×K 298.0 NIST
Cp,liquid 147.30 J/mol×K 298.0 NIST
Cp,liquid 148.87 J/mol×K 298.0 NIST
Cp,liquid 149.60 J/mol×K 298.15 NIST
Cp,liquid 150.33 J/mol×K 298.15 NIST
Cp,liquid 150.60 J/mol×K 301.2 NIST
Cp,liquid 145.20 J/mol×K 303.0 NIST
η 0.0002208 Pa×s 429.52 Joback Calculated Property
ΔfusH 9.96 kJ/mol 260.6 NIST
ΔfusH 11.60 kJ/mol 260.8 NIST
ΔvapH [57.30; 68.00] kJ/mol [273.00; 436.50] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 61.90 ± 6.30 kJ/mol 273.0 NIST
ΔvapH 62.40 ± 4.00 kJ/mol 345.5 NIST
ΔvapH 61.10 kJ/mol 383.0 NIST
ΔvapH 57.40 kJ/mol 385.5 NIST
ΔvapH 62.50 kJ/mol 390.5 NIST
ΔvapH 65.20 kJ/mol 398.0 NIST
ΔvapH 64.00 kJ/mol 398.0 NIST
ΔvapH 68.00 ± 2.00 kJ/mol 409.0 NIST
ΔvapH 61.10 kJ/mol 427.0 NIST
ΔvapH 57.30 kJ/mol 436.5 NIST
ΔfusS 38.21 J/mol×K 260.6 NIST
ΔfusS 44.57 J/mol×K 260.8 NIST

Molecular Descriptors

Joback and Reid Groups
-OH (alcohol) 2
-CH2- 2

Similar Compounds

Pluronic f-68. Ethanol. Ethyl radical, 1-hydroxy. CH2CH2OH. Uranium pentaethylate. Ethanol, 2-methoxy-. Oxiranyl radical. Ethane, methoxy-. HOCH2CH2O2. 1-Propanol. (S)-(+)-1,2-Propanediol. Propylene Glycol. Ethylene oxide. Isopropyl alcohol. Titanium(IV) isopropoxide.

Find more compounds similar to 1,2-Ethanediol.

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