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

1,8-Octanediol

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InChI
InChI=1S/C8H18O2/c9-7-5-3-1-2-4-6-8-10/h9-10H,1-8H2
InChI Key
OEIJHBUUFURJLI-UHFFFAOYSA-N
Formula
C8H18O2
SMILES
OCCCCCCCCO
Molecular Weight1
146.23
CAS
629-41-4
Other Names
  • 1,8-dihydroxyoctane
  • Octamethylene glycol
  • Octan-1,8-diol
  • octane, 1,8-dihydroxy-
  • 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 36.30 kJ/mol Thermod...
Δsub [139.30; 139.30] kJ/mol Show Hide
Δsub 139.30 ± 0.90 kJ/mol NIST
Δsub 139.30 kJ/mol NIST
Δsub 139.30 ± 0.90 kJ/mol NIST
Δvap [105.40; 107.00] kJ/mol Show Hide
Δvap 107.00 ± 2.20 kJ/mol NIST
Δvap 105.40 ± 1.80 kJ/mol NIST
log10WS -1.70 Crippen Calculated Property
logPoct/wat 1.312 Crippen Calculated Property
McVol 135.320 ml/mol McGowan Calculated Property
Pc 2700.00 kPa Critica...
Inp 1313.00 NIST
I [2366.00; 2366.00]   Show Hide
I 2366.00 NIST
I 2366.00 NIST
Tboil 566.80 K Joback Calculated Property
Tc 752.00 K Critica...
Tfus 331.60 K Thermod...
Ttriple 332.70 ± 0.10 K NIST
Vc 0.521 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [344.83; 400.10] J/mol×K [566.80; 723.62] Show Hide
Cp,gas 344.83 J/mol×K 566.80 Joback Calculated Property
Cp,gas 354.99 J/mol×K 592.94 Joback Calculated Property
Cp,gas 364.75 J/mol×K 619.07 Joback Calculated Property
Cp,gas 374.14 J/mol×K 645.21 Joback Calculated Property
Cp,gas 383.15 J/mol×K 671.35 Joback Calculated Property
Cp,gas 391.80 J/mol×K 697.49 Joback Calculated Property
Cp,gas 400.10 J/mol×K 723.62 Joback Calculated Property
Cp,liquid [371.35; 396.17] J/mol×K [333.65; 353.15] Show Hide
Cp,liquid 371.35 J/mol×K 333.65 Heat Ca...
Cp,liquid 373.24 J/mol×K 335.15 Heat Ca...
Cp,liquid 375.13 J/mol×K 336.65 Heat Ca...
Cp,liquid 377.03 J/mol×K 338.15 Heat Ca...
Cp,liquid 378.93 J/mol×K 339.65 Heat Ca...
Cp,liquid 380.83 J/mol×K 341.15 Heat Ca...
Cp,liquid 382.74 J/mol×K 342.65 Heat Ca...
Cp,liquid 384.65 J/mol×K 344.15 Heat Ca...
Cp,liquid 386.56 J/mol×K 345.65 Heat Ca...
Cp,liquid 388.48 J/mol×K 347.15 Heat Ca...
Cp,liquid 390.40 J/mol×K 348.65 Heat Ca...
Cp,liquid 392.32 J/mol×K 350.15 Heat Ca...
Cp,liquid 394.24 J/mol×K 351.65 Heat Ca...
Cp,liquid 396.17 J/mol×K 353.15 Heat Ca...
η [0.0000464; 0.0502473] Pa×s [301.56; 566.80] Show Hide
η 0.0502473 Pa×s 301.56 Joback Calculated Property
η 0.0074475 Pa×s 345.77 Joback Calculated Property
η 0.0017017 Pa×s 389.97 Joback Calculated Property
η 0.0005252 Pa×s 434.18 Joback Calculated Property
η 0.0002014 Pa×s 478.39 Joback Calculated Property
η 0.0000908 Pa×s 522.59 Joback Calculated Property
η 0.0000464 Pa×s 566.80 Joback Calculated Property
ΔfusH [36.10; 36.10] kJ/mol [332.80; 332.80] Show Hide
ΔfusH 36.10 kJ/mol 332.80 NIST
ΔfusH 36.10 kJ/mol 332.80 NIST
ΔvapH [101.00; 104.90] kJ/mol [298.15; 356.00] Show Hide
ΔvapH 104.90 kJ/mol 298.15 Vaporiz...
ΔvapH 101.00 kJ/mol 356.00 NIST

Pressure Dependent Properties

Property Value Unit Pressure (kPa) Source
Tboilr 445.20 K 2.70 NIST

Correlations

Property Value Unit Temperature (K) Source
Pvap [1.33; 202.64] kPa [422.32; 537.37] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.97169e+01
Coefficient B-6.40965e+03
Coefficient C-9.24240e+01
Temperature range, min.422.32
Temperature range, max.537.37
Pvap 1.33 kPa 422.32 Calculated Property
Pvap 2.75 kPa 435.10 Calculated Property
Pvap 5.39 kPa 447.89 Calculated Property
Pvap 10.08 kPa 460.67 Calculated Property
Pvap 18.08 kPa 473.45 Calculated Property
Pvap 31.22 kPa 486.24 Calculated Property
Pvap 52.08 kPa 499.02 Calculated Property
Pvap 84.20 kPa 511.80 Calculated Property
Pvap 132.33 kPa 524.59 Calculated Property
Pvap 202.64 kPa 537.37 Calculated Property

Similar Compounds

1,22-Docosanediol. 1,14-Tetradecanediol. 1,15-Pentadecanediol. 1,16-Hexadecanediol. 1,9-Nonanediol. 1,12-Dodecanediol. 1,11-Undecanediol. 1,10-Decanediol. 1,7-Heptanediol. 1,6-Hexanediol. Nonanol. n-Tetracosanol-1. 1-Dodecanol. Decanol. 1-Nonanol.

Find more compounds similar to 1,8-Octanediol.

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