Chemical Properties of Ethylene (CAS 74-85-1)

Ethylene

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InChI
InChI=1S/C2H4/c1-2/h1-2H2
InChI Key
VGGSQFUCUMXWEO-UHFFFAOYSA-N
Formula
C2H4
SMILES
C=C
Molecular Weight1
28.05
CAS
74-85-1
Other Names
  • Acetene
  • Athylen
  • Bicarburretted hydrogen
  • C2H4
  • Elayl
  • Ethene
  • Liquid ethyene
  • Olefiant gas
  • UN 1038
  • UN 1962
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Physical Properties

Property Value Unit Source
ω 0.0890 KDB
PAff 680.50 kJ/mol NIST
Tig 723.15 K KDB
BasG 651.50 kJ/mol NIST
Δcgas -1411.20 ± 0.30 kJ/mol NIST
μ 0.00 debye KDB
LFL 2.70 % in Air KDB
UFL 28.60 % in Air KDB
Tflash,oc 137.04 K KDB
Δf 68.16 kJ/mol KDB
Rg 1.5380 KDB
Δfgas [52.34; 52.40] kJ/mol Show Hide
Δfgas 52.34 kJ/mol KDB
Δfgas 52.40 ± 0.50 kJ/mol NIST
Δf(+) ion 1067.00 ± 0.80 kJ/mol NIST
ΔfH(+) ion,0K 1080.00 kJ/mol NIST
Δfus -1.83 kJ/mol Joback Calculated Property
Δvap 18.75 kJ/mol Joback Calculated Property
IE [10.50; 10.80] eV Show Hide
IE 10.51 ± 0.00 eV NIST
IE 10.51 eV NIST
IE 10.51 ± 0.00 eV NIST
IE 10.51 ± 0.01 eV NIST
IE 10.51 ± 0.01 eV NIST
IE 10.51 eV NIST
IE 10.50 ± 0.02 eV NIST
IE 10.51 ± 0.01 eV NIST
IE 10.51 eV NIST
IE 10.51 ± 0.02 eV NIST
IE 10.50 eV NIST
IE 10.52 ± 0.00 eV NIST
IE 10.52 ± 0.00 eV NIST
IE 10.51 eV NIST
IE 10.50 eV NIST
IE 10.51 ± 0.00 eV NIST
IE 10.51 ± 0.01 eV NIST
IE 10.52 ± 0.00 eV NIST
IE 10.51 eV NIST
IE 10.51 eV NIST
IE 10.51 eV NIST
IE 10.56 eV NIST
IE 10.51 ± 0.02 eV NIST
IE 10.51 ± 0.05 eV NIST
IE 10.50 ± 0.05 eV NIST
IE 10.51 eV NIST
IE 10.51 ± 0.01 eV NIST
IE 10.50 ± 0.01 eV NIST
IE 10.51 ± 0.00 eV NIST
IE 10.50 ± 0.02 eV NIST
IE 10.52 ± 0.01 eV NIST
IE 10.51 ± 0.03 eV NIST
IE Outlier 10.80 ± 0.05 eV NIST
IE Outlier 10.68 eV NIST
IE 10.50 ± 0.01 eV NIST
IE 10.50 eV NIST
IE 10.50 eV NIST
log10WS [-0.40; -0.40]   Show Hide
log10WS -0.40 Estimat...
log10WS -0.40 Aq. Sol...
logPoct/wat 0.802 Crippen Calculated Property
McVol 34.740 ml/mol McGowan Calculated Property
NFPA Fire 4 KDB
NFPA Health 1 KDB
NFPA Safety 2 KDB
Pc [5020.00; 5119.95] kPa Show Hide
Pc 5041.00 kPa KDB
Pc 5020.00 kPa Gas-Liq...
Pc 5041.00 ± 4.00 kPa NIST
Pc 5055.00 ± 5.04 kPa NIST
Pc 5040.10 ± 5.00 kPa NIST
Pc 5055.00 ± 5.00 kPa NIST
Pc 5040.30 ± 0.20 kPa NIST
Pc 5040.30 ± 0.20 kPa NIST
Pc 5042.00 ± 4.00 kPa NIST
Pc 5076.00 ± 2.00 kPa NIST
Pc Outlier 5119.95 ± 20.26 kPa NIST
Pc 5061.00 ± 101.32 kPa NIST
Ptriple [0.12; 0.12] kPa Show Hide
Ptriple 0.12 ± 0.01 kPa NIST
Ptriple 0.12 kPa NIST
ρc [214.05; 530.04] kg/m3 Show Hide
ρc 214.05 ± 0.11 kg/m3 NIST
ρc 214.14 ± 0.11 kg/m3 NIST
ρc 214.16 ± 0.02 kg/m3 NIST
ρc 530.04 ± 0.20 kg/m3 NIST
ρc 215.97 ± 0.56 kg/m3 NIST
Inp [158.00; 188.00]   Show Hide
Inp 166.00 NIST
Inp 175.00 NIST
Inp 177.00 NIST
Inp 177.00 NIST
Inp 178.00 NIST
Inp 178.00 NIST
Inp 178.10 NIST
Inp 164.00 NIST
Inp 183.00 NIST
Inp 158.00 NIST
Inp 166.00 NIST
Inp 165.00 NIST
Inp 178.00 NIST
Inp 180.00 NIST
Inp 166.00 NIST
Inp 165.00 NIST
Inp 165.00 NIST
Inp 165.00 NIST
Inp 165.00 NIST
Inp 188.00 NIST
Inp 180.00 NIST
Inp 166.00 NIST
Inp 178.00 NIST
Inp 183.00 NIST
Inp 158.00 NIST
liquid 117.80 J/mol×K NIST
Tboil [168.08; 170.45] K Show Hide
Tboil 169.38 K KDB
Tboil 169.35 ± 0.02 K NIST
Tboil 169.30 ± 0.20 K NIST
Tboil Outlier 168.08 ± 2.00 K NIST
Tboil 169.25 ± 0.50 K NIST
Tboil 169.00 ± 0.30 K NIST
Tboil 169.25 ± 0.50 K NIST
Tboil 169.43 ± 0.50 K NIST
Tboil 169.30 ± 0.50 K NIST
Tboil Outlier 170.45 ± 0.70 K NIST
Tc [282.33; 283.10] K Show Hide
Tc 282.34 K KDB
Tc 282.34 ± 0.02 K NIST
Tc 282.33 ± 0.02 K NIST
Tc 282.35 ± 0.02 K NIST
Tc 282.33 ± 0.10 K NIST
Tc 282.34 ± 0.00 K NIST
Tc 282.34 ± 0.00 K NIST
Tc 282.35 ± 0.03 K NIST
Tc 282.65 ± 0.25 K NIST
Tc 282.69 ± 0.30 K NIST
Tc Outlier 283.10 ± 0.60 K NIST
Tfus [103.70; 104.01] K Show Hide
Tfus 104.00 K KDB
Tfus 104.01 K Aq. Sol...
Tfus 103.80 ± 0.20 K NIST
Tfus 103.70 ± 0.50 K NIST
Tfus 103.70 ± 1.00 K NIST
Ttriple [103.80; 104.10] K Show Hide
Ttriple 103.99 ± 0.05 K NIST
Ttriple 103.98 ± 0.01 K NIST
Ttriple 103.97 ± 0.02 K NIST
Ttriple 103.97 ± 0.03 K NIST
Ttriple 104.10 ± 0.50 K NIST
Ttriple 103.97 ± 0.02 K NIST
Ttriple 103.97 ± 0.15 K NIST
Ttriple 103.95 ± 0.10 K NIST
Ttriple Outlier 103.80 ± 0.30 K NIST
Vc [0.129; 0.131] m3/kmol Show Hide
Vc 0.131 m3/kmol KDB
Vc 0.131 m3/kmol NIST
Vc 0.131 ± 0.000 m3/kmol NIST
Vc 0.131 ± 0.000 m3/kmol NIST
Vc 0.129 ± 0.000 m3/kmol NIST
Zc 0.2815210 KDB
Zra 0.28 KDB

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [34.66; 59.25] J/mol×K [178.15; 463.60] Show Hide
Cp,gas 34.66 ± 0.26 J/mol×K 178.15 NIST
Cp,gas 35.30 ± 0.26 J/mol×K 192.35 NIST
Cp,gas 36.29 ± 0.27 J/mol×K 210.40 NIST
Cp,gas 37.55 ± 0.28 J/mol×K 230.90 NIST
Cp,gas 39.02 ± 0.29 J/mol×K 250.60 NIST
Cp,gas 40.75 ± 0.02 J/mol×K 270.70 NIST
Cp,gas 41.02 ± 0.31 J/mol×K 271.80 NIST
Cp,gas 42.84 ± 0.32 J/mol×K 293.45 NIST
Cp,gas 43.47 ± 0.17 J/mol×K 300.00 NIST
Cp,gas 45.98 ± 0.04 J/mol×K 320.70 NIST
Cp,gas 49.74 ± 0.37 J/mol×K 367.70 NIST
Cp,gas 59.25 ± 0.44 J/mol×K 463.60 NIST
Cp,liquid [67.24; 67.40] J/mol×K [170.00; 170.00] Show Hide
Cp,liquid 67.40 J/mol×K 170.00 NIST
Cp,liquid 67.24 J/mol×K 170.00 NIST
η [0.0000940; 0.0005524] Pa×s [113.86; 234.36] Show Hide
η 0.0005524 Pa×s 113.86 Joback Calculated Property
η 0.0003296 Pa×s 133.94 Joback Calculated Property
η 0.0002250 Pa×s 154.03 Joback Calculated Property
η 0.0001677 Pa×s 174.11 Joback Calculated Property
η 0.0001329 Pa×s 194.19 Joback Calculated Property
η 0.0001099 Pa×s 214.28 Joback Calculated Property
η 0.0000940 Pa×s 234.36 Joback Calculated Property
ΔfusH [3.35; 3.35] kJ/mol [103.95; 104.00] Show Hide
ΔfusH 3.35 kJ/mol 103.95 NIST
ΔfusH 3.35 kJ/mol 103.97 NIST
ΔfusH 3.35 kJ/mol 104.00 NIST
ΔfusH 3.35 kJ/mol 104.00 NIST
ΔsubH [15.00; 18.40] kJ/mol [90.00; 91.50] Show Hide
ΔsubH 15.00 kJ/mol 90.00 NIST
ΔsubH 18.40 kJ/mol 91.50 NIST
ΔvapH [13.54; 14.40] kJ/mol [145.00; 267.00] Show Hide
ΔvapH 14.40 kJ/mol 145.00 NIST
ΔvapH 14.40 kJ/mol 147.50 NIST
ΔvapH 14.10 kJ/mol 151.00 NIST
ΔvapH 14.30 kJ/mol 161.00 NIST
ΔvapH 13.54 kJ/mol 169.40 KDB
ΔvapH 13.54 kJ/mol 169.40 NIST
ΔvapH 14.00 kJ/mol 170.00 NIST
ΔvapH 13.70 kJ/mol 190.00 NIST
ΔvapH 13.70 kJ/mol 221.50 NIST
ΔvapH 13.60 kJ/mol 231.50 NIST
ΔvapH 14.00 kJ/mol 267.00 NIST
Pvap [1476.00; 4891.00] kPa [233.73; 280.98] Show Hide
Pvap 1476.00 kPa 233.73 Vapor-L...
Pvap 1932.30 kPa 243.08 Vapor-L...
Pvap 2534.80 kPa 253.22 Vapor-L...
Pvap 2732.00 kPa 256.22 Isother...
Pvap 2903.00 kPa 258.59 Isother...
Pvap 3083.00 kPa 261.02 Isother...
Pvap 3247.50 kPa 263.22 Vapor-L...
Pvap 3272.00 kPa 263.48 Isother...
Pvap 3470.00 kPa 265.94 Isother...
Pvap 3648.50 kPa 268.13 Vapor-l...
Pvap 3671.00 kPa 268.37 Isother...
Pvap 3891.00 kPa 270.85 Isother...
Pvap 4094.00 kPa 273.15 Phase e...
Pvap 4102.00 kPa 273.18 Vapor-L...
Pvap 4113.00 kPa 273.29 Isother...
Pvap 4339.00 kPa 275.68 Isother...
Pvap 4588.00 kPa 278.16 Isother...
Pvap 4611.20 kPa 278.36 Vapor-l...
Pvap 4891.00 kPa 280.98 Isother...
ρl 577.00 kg/m3 163.00 KDB
ΔfusS [32.23; 32.23] J/mol×K [103.95; 103.97] Show Hide
ΔfusS 32.23 J/mol×K 103.95 NIST
ΔfusS 32.23 J/mol×K 103.97 NIST
γ 0.02 N/m 133.20 KDB
ΔvapS 79.95 J/mol×K 169.40 NIST
λ [0.02; 0.04] W/m×K [283.47; 425.62] Show Hide
λ 0.02 W/m×K 283.47 Measure...
λ 0.02 W/m×K 283.96 Measure...
λ 0.02 W/m×K 284.89 Measure...
λ 0.02 W/m×K 302.21 Measure...
λ 0.02 W/m×K 303.10 Measure...
λ 0.04 W/m×K 425.00 Measure...
λ 0.04 W/m×K 425.62 Measure...

Correlations

Property Value Unit Temperature (K) Source
Pvap [0.14; 5057.85] kPa [104.00; 282.35] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.40310e+01
Coefficient B-1.49623e+03
Coefficient C-1.04200e+01
Temperature range, min.104.00
Temperature range, max.282.35
Pvap 0.14 kPa 104.00 Calculated Property
Pvap 2.31 kPa 123.82 Calculated Property
Pvap 16.43 kPa 143.63 Calculated Property
Pvap 70.36 kPa 163.45 Calculated Property
Pvap 215.84 kPa 183.27 Calculated Property
Pvap 525.80 kPa 203.08 Calculated Property
Pvap 1084.87 kPa 222.90 Calculated Property
Pvap 1978.17 kPa 242.72 Calculated Property
Pvap 3282.00 kPa 262.53 Calculated Property
Pvap 5057.85 kPa 282.35 Calculated Property
Pvap [0.13; 5023.31] kPa [104.01; 282.36] KDB Vap... Show Hide
Equationln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A4.31991e+01
Coefficient B-2.35577e+03
Coefficient C-4.89843e+00
Coefficient D1.64142e-05
Temperature range, min.104.01
Temperature range, max.282.36
Pvap 0.13 kPa 104.01 Calculated Property
Pvap 2.27 kPa 123.83 Calculated Property
Pvap 16.54 kPa 143.64 Calculated Property
Pvap 70.85 kPa 163.46 Calculated Property
Pvap 215.10 kPa 183.28 Calculated Property
Pvap 517.00 kPa 203.09 Calculated Property
Pvap 1055.47 kPa 222.91 Calculated Property
Pvap 1917.59 kPa 242.73 Calculated Property
Pvap 3201.28 kPa 262.54 Calculated Property
Pvap 5023.31 kPa 282.36 Calculated Property

Similar Compounds

(Z)-Ethylene-1,2-d2. Vinyl radical. CH2=C. Vinyl bromide. Propadienylidene. Ethene, fluoro-. Ethene, iodo-. Vinyloxy radical. Ethene, chloro-. Ketene. CH2CCH. Allene. Ethene, 1,1-difluoro-. Ethene, 1,1-dichloro-. Ethylene, 1,1-dibromo-.

Find more compounds similar to Ethylene.

Mixtures

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Sources

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.

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