Chemical Properties of 2-Butenal, 2-ethyl- (CAS 19780-25-7)

2-Butenal, 2-ethyl-

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InChI Key
Molecular Weight1
Other Names
  • 2-Ethyl-2-butenal
  • 2-Ethylcrotonaldehyde
  • CH3CH=C(C2H5)CHO
  • Crotonaldehyde, 2-ethyl-
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Physical Properties

Property Value Unit Source
Δf -28.21 kJ/mol Joback Calculated Property
Δfgas -145.32 kJ/mol Joback Calculated Property
Δfus 12.48 kJ/mol Joback Calculated Property
Δvap 35.71 kJ/mol Joback Calculated Property
IE 9.53 eV NIST
log10WS -1.47 Crippen Calculated Property
logPoct/wat 1.542 Crippen Calculated Property
McVol 92.670 ml/mol McGowan Calculated Property
Pc 3615.89 kPa Joback Calculated Property
Inp [793.00; 808.00]   Show Hide
Inp 793.00 NIST
Inp 808.00 NIST
I [1145.00; 1145.00]   Show Hide
I 1145.00 NIST
I 1145.00 NIST
Tboil 389.38 K Joback Calculated Property
Tc 574.52 K Joback Calculated Property
Tfus 180.34 K Joback Calculated Property
Vc 0.369 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [164.68; 215.78] J/mol×K [389.38; 574.52] Show Hide
Cp,gas 164.68 J/mol×K 389.38 Joback Calculated Property
Cp,gas 174.31 J/mol×K 420.24 Joback Calculated Property
Cp,gas 183.47 J/mol×K 451.09 Joback Calculated Property
Cp,gas 192.18 J/mol×K 481.95 Joback Calculated Property
Cp,gas 200.45 J/mol×K 512.80 Joback Calculated Property
Cp,gas 208.31 J/mol×K 543.66 Joback Calculated Property
Cp,gas 215.78 J/mol×K 574.52 Joback Calculated Property


Property Value Unit Temperature (K) Source
Pvap [1.33; 202.63] kPa [313.00; 428.65] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.63924e+01
Coefficient B-4.10817e+03
Coefficient C-5.79100e+01
Temperature range, min.313.00
Temperature range, max.428.65
Pvap 1.33 kPa 313.00 Calculated Property
Pvap 2.89 kPa 325.85 Calculated Property
Pvap 5.82 kPa 338.70 Calculated Property
Pvap 11.04 kPa 351.55 Calculated Property
Pvap 19.86 kPa 364.40 Calculated Property
Pvap 34.05 kPa 377.25 Calculated Property
Pvap 56.01 kPa 390.10 Calculated Property
Pvap 88.77 kPa 402.95 Calculated Property
Pvap 136.12 kPa 415.80 Calculated Property
Pvap 202.63 kPa 428.65 Calculated Property

Similar Compounds

2-Ethyl-trans-2-butenal. 2-ethyl-2-hexenal (E). 2-Hexenal, 2-ethyl-. 2-ethyl-2-hexenal (Z). 2-Pentene, 3-methyl-, (Z)-. 2-Pentene, 3-methyl-, (Z)-. 2-Pentene, 3-methyl-. 2-Ethylacrolein. 2-Pentene, 3-ethyl-. cis-3-Ethyl-2-pentene. 2-Ethylidene-6-methyl-5-heptenal. 3-Hexene, 3-methyl-, (Z)-. 3-Hexene, 3-methyl-, (E)-. 3-Methyl-3-hexene. Z-3-Chloro-2-ethyl-but-2-enal.

Find more compounds similar to 2-Butenal, 2-ethyl-.


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