Chemical Properties of (E)-3-Ethyl-4-methylpent-2-ene (CAS 42067-49-2)


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InChI Key
Molecular Weight1
Other Names
  • 2-Pentene, 3-ethyl-4-methyl-, (E)-
  • 4-Methyl-3-ethyl-trans-2-pentene
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Physical Properties

Property Value Unit Source
Δf 85.71 kJ/mol Joback Calculated Property
Δfgas -106.30 kJ/mol Joback Calculated Property
Δfus 11.84 kJ/mol Joback Calculated Property
Δvap 38.90 kJ/mol NIST
log10WS -2.78 Crippen Calculated Property
logPoct/wat 2.999 Crippen Calculated Property
McVol 119.280 ml/mol McGowan Calculated Property
Pc 2709.85 kPa Joback Calculated Property
Inp [757.00; 777.80]   Show Hide
Inp 777.80 NIST
Inp 767.50 NIST
Inp 757.00 NIST
Tboil [387.50; 387.50] K Show Hide
Tboil 387.50 ± 1.00 K NIST
Tboil 387.50 ± 0.60 K NIST
Tc 565.46 K Joback Calculated Property
Tfus 145.88 K Joback Calculated Property
Vc 0.459 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [217.93; 290.49] J/mol×K [386.04; 565.46] Show Hide
Cp,gas 217.93 J/mol×K 386.04 Joback Calculated Property
Cp,gas 231.45 J/mol×K 415.94 Joback Calculated Property
Cp,gas 244.37 J/mol×K 445.85 Joback Calculated Property
Cp,gas 256.71 J/mol×K 475.75 Joback Calculated Property
Cp,gas 268.50 J/mol×K 505.65 Joback Calculated Property
Cp,gas 279.75 J/mol×K 535.55 Joback Calculated Property
Cp,gas 290.49 J/mol×K 565.46 Joback Calculated Property


Property Value Unit Temperature (K) Source
Pvap [1.33; 202.64] kPa [282.56; 414.08] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.39340e+01
Coefficient B-3.08041e+03
Coefficient C-5.68300e+01
Temperature range, min.282.56
Temperature range, max.414.08
Pvap 1.33 kPa 282.56 Calculated Property
Pvap 3.06 kPa 297.17 Calculated Property
Pvap 6.37 kPa 311.79 Calculated Property
Pvap 12.27 kPa 326.40 Calculated Property
Pvap 22.08 kPa 341.01 Calculated Property
Pvap 37.51 kPa 355.63 Calculated Property
Pvap 60.66 kPa 370.24 Calculated Property
Pvap 93.99 kPa 384.85 Calculated Property
Pvap 140.29 kPa 399.47 Calculated Property
Pvap 202.64 kPa 414.08 Calculated Property

Similar Compounds

3-Ethyl-4-methyl-2-pentene. (Z)-3-Ethyl-4-methylpent-2-ene. 3-Hexene, 3-ethyl-2,5-dimethyl-. 2-Pentene, 3-ethyl-4,4-dimethyl-. 2-Pentene, 3,4-dimethyl-, (Z)-. 2-Pentene, 3,4-dimethyl-. 2-Pentene, 3,4-dimethyl-, (E)-. 1-Butene, 2-ethyl-3-methyl-. 3,4-Diethyl-2-hexene(E). 3-Hexene, 2,3-dimethyl-. (E)-2,3-Dimethylhex-3-ene. (Z)-2,3-Dimethylhex-3-ene. trans-3,4-Dimethyl-2-hexene. 3,4-Dimethyl-2-hexene. Cyclopentene, 1-(1-methylethyl)-.

Find more compounds similar to (E)-3-Ethyl-4-methylpent-2-ene.


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