Chemical Properties of Cyclopropylacetylene (CAS 6746-94-7)


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InChI Key
Molecular Weight1
Other Names
  • Cyclopropane,ethynyl-
  • Cyclopropylacethylene
  • ethynyl cyclopropane

Physical Properties

Property Value Unit Source
Δcliquid -3086.10 ± 0.80 kJ/mol NIST
Δf 275.04 kJ/mol Joback Calculated Property
Δfgas 292.00 ± 1.60 kJ/mol NIST
Δfliquid 261.10 ± 0.80 kJ/mol NIST
Δfus 9.82 kJ/mol Joback Calculated Property
Δvap [30.90; 30.90] kJ/mol Show Hide
Δvap 30.90 ± 1.50 kJ/mol NIST
Δvap 30.90 kJ/mol NIST
IE [8.70; 9.58] eV Show Hide
IE 8.70 eV NIST
IE 9.58 eV NIST
log10WS -1.36 Crippen Calculated Property
logPoct/wat 1.030 Crippen Calculated Property
McVol 61.850 ml/mol McGowan Calculated Property
Pc 4959.33 kPa Joback Calculated Property
Tboil 310.66 K Joback Calculated Property
Tc 502.49 K Joback Calculated Property
Tfus 211.02 K Joback Calculated Property
Vc 0.234 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [88.50; 134.93] J/mol×K [310.66; 502.49] Show Hide
Cp,gas 88.50 J/mol×K 310.66 Joback Calculated Property
Cp,gas 97.63 J/mol×K 342.63 Joback Calculated Property
Cp,gas 106.16 J/mol×K 374.60 Joback Calculated Property
Cp,gas 114.12 J/mol×K 406.57 Joback Calculated Property
Cp,gas 121.55 J/mol×K 438.54 Joback Calculated Property
Cp,gas 128.48 J/mol×K 470.51 Joback Calculated Property
Cp,gas 134.93 J/mol×K 502.49 Joback Calculated Property
ΔvapH 31.10 kJ/mol 305.00 NIST

Similar Compounds

1,4-Dicyclopropylbuta-1,3-diyne. 1-Cyclopropylpenta-1,3-diyne. Cyclopropane,cis-1,2-diethynyl-. Cyclopropane, trans-1,2-diethynyl-. Pent-1-yn-3-yl. 1-Pentyne. 1,6-Heptadiyne. 1-Pentyne, 3-methyl-. Cyclopropane, 1,1-diethynyl-. 3-Heptyne, 2-methyl. 3-ethyl-1-pentyne. 1,7-Octadiyne. 2-Hexyne. 1-Hexyne. 1-Butyne, 3-methyl-.

Find more compounds similar to Cyclopropylacetylene.


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