Chemical Properties of 1,4-Dioxaspiro[4.4]non-6-ene (CAS 695-56-7)


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InChI Key
Molecular Weight1
Other Names
  • 2-Cyclopenten-1-one ethylene ketal
  • cyclopent-2-en-1-one-ethyleneacetal
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Physical Properties

Property Value Unit Source
Δf -46.80 kJ/mol Joback Calculated Property
Δfgas -231.33 kJ/mol Joback Calculated Property
Δfus 13.67 kJ/mol Joback Calculated Property
Δvap 39.99 kJ/mol Joback Calculated Property
log10WS -1.18 Crippen Calculated Property
logPoct/wat 1.079 Crippen Calculated Property
McVol 95.210 ml/mol McGowan Calculated Property
Pc 4697.74 kPa Joback Calculated Property
Tboil 443.82 K Joback Calculated Property
Tc 677.63 K Joback Calculated Property
Tfus 276.01 K Joback Calculated Property
Vc 0.344 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [204.65; 279.19] J/mol×K [443.82; 677.63] Show Hide
Cp,gas 204.65 J/mol×K 443.82 Joback Calculated Property
Cp,gas 220.21 J/mol×K 482.79 Joback Calculated Property
Cp,gas 234.28 J/mol×K 521.76 Joback Calculated Property
Cp,gas 247.04 J/mol×K 560.72 Joback Calculated Property
Cp,gas 258.66 J/mol×K 599.69 Joback Calculated Property
Cp,gas 269.32 J/mol×K 638.66 Joback Calculated Property
Cp,gas 279.19 J/mol×K 677.63 Joback Calculated Property

Pressure Dependent Properties

Property Value Unit Pressure (kPa) Source
Tboilr 333.70 K 2.10 NIST

Similar Compounds

Spiro-ether. (E)-En-yn-dicycloether. cis-En-yn-dicycloether. En-yn-dicycloether. (E)-Ene-yne-dicyclo ether. 2-(2,4-Hexadiynylidene)-1,6-dioxaspiro[4,4]non-3-ene, # 2. (Z)-2-(Hexa-2,4-diyn-1-ylidene)-1,6-dioxaspiro[4.4]non-3-ene. (E)-Tonghaosu. (E)-2-(Hepta-2,4-diyn-1-ylidene)-1,6-dioxaspiro[4.4]non-3-ene. (Z)-Tibetin spiroether. (E)-Tibetin spiroether. 7-(2,4-Hexadiynylidene)-1,6-dioxaspiro[4,4]nona-2,8-diene. 2-(2,4-Hexadiynylidene)-1,6-dioxaspiro[4,4]non-3-ene. 1,3-Dioxane, 2-ethyl-2-methyl-4-(2-pentenyl), 2S,4R. 1,3-Dioxane, 2-ethyl-2-methyl-4-(2-pentenyl), 2R,4R.

Find more compounds similar to 1,4-Dioxaspiro[4.4]non-6-ene.


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