Chemical Properties of 1-Octadecyne (CAS 629-89-0)

1-Octadecyne

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InChI
InChI=1S/C18H34/c1-3-5-7-9-11-13-15-17-18-16-14-12-10-8-6-4-2/h1H,4-18H2,2H3
InChI Key
IYDNQWWOZQLMRH-UHFFFAOYSA-N
Formula
C18H34
SMILES
C#CCCCCCCCCCCCCCCCC
Molecular Weight1
250.46
CAS
629-89-0
Other Names
  • octadecyne
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Physical Properties

Property Value Unit Source
ω 0.7150 KDB
Δf 323.75 kJ/mol Joback Calculated Property
Δfgas -122.95 kJ/mol Joback Calculated Property
Δfus 45.35 kJ/mol Joback Calculated Property
Δvap 55.52 kJ/mol Joback Calculated Property
log10WS -7.15 Crippen Calculated Property
logPoct/wat 6.491 Crippen Calculated Property
McVol 255.880 ml/mol McGowan Calculated Property
Pc 1280.00 kPa KDB
Inp 1238.00 NIST
Tboil [586.00; 586.20] K Show Hide
Tboil 586.20 K KDB
Tboil 586.00 K NIST
Tc 747.30 K KDB
Tfus 300.00 K KDB
Vc 1.006 m3/kmol KDB
Zc 0.2071380 KDB

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [678.57; 782.86] J/mol×K [601.36; 766.71] Show Hide
Cp,gas 678.57 J/mol×K 601.36 Joback Calculated Property
Cp,gas 697.89 J/mol×K 628.92 Joback Calculated Property
Cp,gas 716.39 J/mol×K 656.48 Joback Calculated Property
Cp,gas 734.12 J/mol×K 684.04 Joback Calculated Property
Cp,gas 751.08 J/mol×K 711.60 Joback Calculated Property
Cp,gas 767.32 J/mol×K 739.15 Joback Calculated Property
Cp,gas 782.86 J/mol×K 766.71 Joback Calculated Property
ΔvapH 64.90 kJ/mol 536.50 NIST

Pressure Dependent Properties

Property Value Unit Pressure (kPa) Source
Tboilr 453.20 K 2.00 NIST

Correlations

Property Value Unit Temperature (K) Source
Pvap [1.33; 202.63] kPa [448.93; 619.73] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.54537e+01
Coefficient B-5.22966e+03
Coefficient C-1.04102e+02
Temperature range, min.448.93
Temperature range, max.619.73
Pvap 1.33 kPa 448.93 Calculated Property
Pvap 2.94 kPa 467.91 Calculated Property
Pvap 6.00 kPa 486.89 Calculated Property
Pvap 11.44 kPa 505.86 Calculated Property
Pvap 20.57 kPa 524.84 Calculated Property
Pvap 35.18 kPa 543.82 Calculated Property
Pvap 57.54 kPa 562.80 Calculated Property
Pvap 90.51 kPa 581.77 Calculated Property
Pvap 137.53 kPa 600.75 Calculated Property
Pvap 202.63 kPa 619.73 Calculated Property
Pvap [3.82; 1322.70] kPa [469.15; 747.33] KDB Vap... Show Hide
Equationln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A-2.77078e-01
Coefficient B-7.38386e+03
Coefficient C2.96884e+00
Coefficient D-4.11555e-06
Temperature range, min.469.15
Temperature range, max.747.33
Pvap 3.82 kPa 469.15 Calculated Property
Pvap 10.79 kPa 500.06 Calculated Property
Pvap 26.70 kPa 530.97 Calculated Property
Pvap 59.07 kPa 561.88 Calculated Property
Pvap 118.64 kPa 592.79 Calculated Property
Pvap 219.11 kPa 623.69 Calculated Property
Pvap 375.99 kPa 654.60 Calculated Property
Pvap 604.65 kPa 685.51 Calculated Property
Pvap 917.78 kPa 716.42 Calculated Property
Pvap 1322.70 kPa 747.33 Calculated Property

Similar Compounds

1-Dodecyne. 1-Undecyne. 1-Eicosyne. 1-Tridecyne. 1-Nonyne. 1-Nonadecyne. 1-Decyne. 1-Hexadecyne. 1-Tetradecyne. 1-Pentadecyne. 1-Heptadecyne. 1-Octyne. 1-Heptyne. 1,10-undecadiyne. 1,9-Decadiyne.

Find more compounds similar to 1-Octadecyne.

Sources

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