Chemical Properties of 1,8-Octanediol (CAS 629-41-4)


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InChI Key
Molecular Weight1
Other Names
  • Octamethylene glycol
  • Octan-1,8-diol
  • octane-1,8-diol

Physical Properties

Property Value Unit Source
Δcsolid -5094.00 ± 4.80 kJ/mol NIST
Δf -257.16 kJ/mol Joback Calculated Property
Δfgas -487.30 ± 4.90 kJ/mol NIST
Δfsolid -626.60 ± 4.80 kJ/mol NIST
Δfus 24.65 kJ/mol Joback Calculated Property
Δsub 139.30 ± 0.90 kJ/mol NIST
Δsub 139.30 kJ/mol NIST
Δsub 139.30 ± 0.90 kJ/mol NIST
Δvap 107.00 ± 2.20 kJ/mol NIST
Δvap 105.40 ± 1.80 kJ/mol NIST
logPoct/wat 1.31 Crippen Calculated Property
Pc 3079.57 kPa Joback Calculated Property
Tboil 445.20 K NIST
Tc 723.62 K Joback Calculated Property
Tfus 301.56 K Joback Calculated Property
Ttriple 332.70 ± 0.10 K NIST
Vc 0.52 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 344.83 J/mol×K 566.8 Joback Calculated Property
η 0.00 Pa×s 566.8 Joback Calculated Property
ΔfusH 36.10 kJ/mol 332.8 NIST
ΔfusH 36.10 kJ/mol 332.8 NIST
ΔvapH 101.00 kJ/mol 356.0 NIST

Molecular Descriptors

Joback and Reid Groups
-CH2- 8
-OH (alcohol) 2

Similar Compounds

1,15-Pentadecanediol. 1-Docosanol. 1-Nonadecanol. 1,12-Dodecanediol. 1,11-Undecanediol. 1-Tetradecanol. 1,9-Nonanediol. 1-Eicosanol. 1,14-Tetradecanediol. 1-Nonanol. 1-Heptacosanol. 1-Octanol. 1-Hexadecanol. N-tetracosanol-1. 1,22-Docosanediol.

Find more compounds similar to 1,8-Octanediol.

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