Chemical Properties of Diethyl fumarate (CAS 623-91-6)

Diethyl fumarate

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InChI Key
Molecular Weight1
Other Names
  • 2-Butenedioic acid (2E)-, 1,4-diethyl ester
  • 2-Butenedioic acid (2E)-, diethyl ester
  • 2-Butenedioic acid (E)-, diethyl ester
  • 2-Butenedioic acid, diethyl ester, (E)-
  • Diethyl (2E)-2-butenedioate
  • Diethyl ester of (E)-2-Butenedioic acid
  • Diethylester kyseliny fumarove
  • Fumaric acid, diethyl ester
  • NSC 20954
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Physical Properties

Property Value Unit Source
Δf -371.14 kJ/mol Joback Calculated Property
Δfgas -580.83 kJ/mol Joback Calculated Property
Δfus 22.25 kJ/mol Joback Calculated Property
Δvap 51.67 kJ/mol Joback Calculated Property
log10WS -0.75 Crippen Calculated Property
logPoct/wat 0.669 Crippen Calculated Property
McVol 134.160 ml/mol McGowan Calculated Property
NFPA Health 1 KDB
Pc 2947.28 kPa Joback Calculated Property
Inp [1153.00; 1163.00]   Show Hide
Inp 1163.00 NIST
Inp 1153.00 NIST
Inp 1160.00 NIST
Inp 1160.00 NIST
I [1647.00; 1660.00]   Show Hide
I 1647.00 NIST
I 1660.00 NIST
I 1660.00 NIST
I 1647.00 NIST
Tboil [487.00; 491.70] K Show Hide
Tboil 491.00 K KDB
Tboil 491.70 K NIST
Tboil 487.00 ± 2.00 K NIST
Tc 730.81 K Joback Calculated Property
Tfus 319.16 K Joback Calculated Property
Vc 0.511 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [303.47; 362.20] J/mol×K [539.18; 730.81] Show Hide
Cp,gas 303.47 J/mol×K 539.18 Joback Calculated Property
Cp,gas 314.43 J/mol×K 571.12 Joback Calculated Property
Cp,gas 324.91 J/mol×K 603.06 Joback Calculated Property
Cp,gas 334.94 J/mol×K 634.99 Joback Calculated Property
Cp,gas 344.49 J/mol×K 666.93 Joback Calculated Property
Cp,gas 353.58 J/mol×K 698.87 Joback Calculated Property
Cp,gas 362.20 J/mol×K 730.81 Joback Calculated Property
η [0.0001934; 0.0018749] Pa×s [319.16; 539.18] Show Hide
η 0.0018749 Pa×s 319.16 Joback Calculated Property
η 0.0010564 Pa×s 355.83 Joback Calculated Property
η 0.0006626 Pa×s 392.50 Joback Calculated Property
η 0.0004501 Pa×s 429.17 Joback Calculated Property
η 0.0003249 Pa×s 465.84 Joback Calculated Property
η 0.0002460 Pa×s 502.51 Joback Calculated Property
η 0.0001934 Pa×s 539.18 Joback Calculated Property
ΔvapH 53.20 kJ/mol 409.00 NIST


Property Value Unit Temperature (K) Source
Pvap [0.14; 101.88] kPa [326.15; 492.15] KDB Vap... Show Hide
Equationln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A2.93571e+01
Coefficient B-6.92373e+03
Coefficient C-1.75617e+00
Coefficient D9.12753e-07
Temperature range, min.326.15
Temperature range, max.492.15
Pvap 0.14 kPa 326.15 Calculated Property
Pvap 0.41 kPa 344.59 Calculated Property
Pvap 1.06 kPa 363.04 Calculated Property
Pvap 2.46 kPa 381.48 Calculated Property
Pvap 5.31 kPa 399.93 Calculated Property
Pvap 10.66 kPa 418.37 Calculated Property
Pvap 20.17 kPa 436.82 Calculated Property
Pvap 36.19 kPa 455.26 Calculated Property
Pvap 61.98 kPa 473.71 Calculated Property
Pvap 101.88 kPa 492.15 Calculated Property

Similar Compounds

2-Butenedioic acid (Z)-, diethyl ester. Ethyl hydrogen fumarate. 2-Butenoic acid, ethyl ester, (Z)-. Ethyl 2-butenoate. 2-Butenoic acid, ethyl ester, (E)-. Ethyl trans-2-butenoate. 2-Propenoic acid, ethyl ester. Ethyl 4,4,4-trifluorocrotonate. Diallyl maleate. 2-Butenedioic acid (E)-, di-2-propenyl ester. Fumaric acid, di(2,2-dichloroethyl) ester. Maleic acid, bis(2,2,2-trifluoroethyl) ester. Fumaric acid, bis-(2,2,2-trifluoroethyl)ester-. 2-Butenedioic acid (Z)-, bis(1-methylethyl) ester. Fumaric acid, di(2,2,2-trichloroethyl) ester.

Find more compounds similar to Diethyl fumarate.



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