Chemical Properties of Ethylene oxide (CAS 75-21-8)

Ethylene oxide

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InChI
InChI=1S/C2H4O/c1-2-3-1/h1-2H2
InChI Key
IAYPIBMASNFSPL-UHFFFAOYSA-N
Formula
C2H4O
SMILES
C1CO1
Molecular Weight1
44.05
CAS
75-21-8
Other Names
  • 1,2-Epoxyaethan
  • 1,2-Epoxyethane
  • Aethylenoxid
  • Amprolene
  • Anprolene
  • Anproline
  • DIHYDROOXIRENE
  • DIMETHYLENE OXIDE
  • E.O.
  • ENT-26263
  • ETO
  • Epoxyethane
  • Ethene oxide
  • Ethyleenoxide
  • Etylenu tlenek
  • FEMA No. 2433
  • Merpol
  • NCI-C50088
  • OXIRANE
  • Oxacyclopropane
  • Oxane
  • Oxidoethane
  • Oxiraan
  • Oxiran
  • Oxirene, dihydro-
  • Oxyfume
  • Oxyfume 12
  • Qazi-ketcham
  • Rcra waste number U115
  • Sterilizing gas ethylene oxide 100%
  • T-Gas
  • UN 1040
  • «alpha»,«beta»-Oxidoethane
  • «alpha»,«beta»-Oxidoethane

Physical Properties

Property Value Unit Source
ω 0.2020 KDB
PAff 774.20 kJ/mol NIST
Tig 702.04 K KDB
BasG 745.30 kJ/mol NIST
Δcgas [-1307.70; -1306.00] kJ/mol Show Hide
Δcgas -1306.00 ± 0.59 kJ/mol NIST
Δcgas -1307.70 ± 0.84 kJ/mol NIST
Δcliquid -1262.90 ± 1.30 kJ/mol NIST
μ 1.90 debye KDB
LFL 3.00 % in Air KDB
UFL 100.00 % in Air KDB
Tflash,cc 255.37 K KDB
Δf -13.10 kJ/mol KDB
Δfgas [-70.20; -52.63] kJ/mol Show Hide
Δfgas -52.67 kJ/mol KDB
Δfgas -52.63 ± 0.63 kJ/mol NIST
Δfgas -70.20 kJ/mol NIST
Δfliquid -95.70 ± 1.30 kJ/mol NIST
Δfus 5.98 kJ/mol Joback Calculated Property
Δvap [25.51; 25.90] kJ/mol Show Hide
Δvap 25.51 kJ/mol NIST
Δvap 25.90 kJ/mol NIST
IE [10.15; 10.60] eV Show Hide
IE 10.56 ± 0.01 eV NIST
IE Outlier 10.15 ± 0.05 eV NIST
IE 10.40 ± 0.10 eV NIST
IE 10.40 eV NIST
IE 10.57 eV NIST
IE 10.60 ± 0.10 eV NIST
IE 10.56 eV NIST
IE 10.56 ± 0.01 eV NIST
IE 10.57 eV NIST
IE 10.57 eV NIST
IE 10.57 ± 0.01 eV NIST
IE 10.57 eV NIST
IE 10.57 eV NIST
IE 10.57 eV NIST
IE 10.57 eV NIST
IE 10.57 eV NIST
log10WS 0.36 Crippen Calculated Property
logPoct/wat 0.017 Crippen Calculated Property
McVol 34.050 ml/mol McGowan Calculated Property
NFPA Fire 4 KDB
NFPA Health 2 KDB
Pc [7190.00; 7233.00] kPa Show Hide
Pc 7190.00 kPa KDB
Pc 7233.00 ± 68.94 kPa NIST
Pc 7191.00 ± 75.84 kPa NIST
ρc [314.10; 319.82] kg/m3 Show Hide
ρc 314.10 ± 10.13 kg/m3 NIST
ρc 319.82 ± 10.13 kg/m3 NIST
Inp [397.00; 417.00]   Show Hide
Inp 397.00 NIST
Inp 410.00 NIST
Inp 417.00 NIST
Inp 417.00 NIST
Inp 405.00 NIST
Inp 405.00 NIST
Inp 400.00 NIST
Inp 400.00 NIST
I 680.00 NIST
liquid 149.45 J/mol×K NIST
Tboil [283.55; 286.15] K Show Hide
Tboil 283.70 K KDB
Tboil 283.70 K NIST
Tboil 283.55 K NIST
Tboil 286.15 ± 1.50 K NIST
Tboil 283.85 ± 0.40 K NIST
Tboil 283.88 ± 0.20 K NIST
Tboil 286.00 ± 4.00 K NIST
Tc [465.20; 469.00] K Show Hide
Tc 469.00 K KDB
Tc 468.90 ± 1.11 K NIST
Tc 469.00 ± 1.00 K NIST
Tc 465.20 ± 2.00 K NIST
Tfus [160.55; 161.90] K Show Hide
Tfus 161.40 K KDB
Tfus 160.55 K NIST
Tfus 160.60 ± 0.07 K NIST
Tfus 161.45 ± 0.40 K NIST
Tfus 161.90 ± 0.60 K NIST
Ttriple [160.65; 160.65] K Show Hide
Ttriple 160.65 ± 0.05 K NIST
Ttriple 160.65 ± 0.02 K NIST
Vc 0.140 m3/kmol KDB
Zc 0.2581350 KDB
Zra 0.26 KDB

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [49.37; 58.41] J/mol×K [307.18; 371.23] Show Hide
Cp,gas 49.37 J/mol×K 307.18 NIST
Cp,gas 53.51 J/mol×K 337.04 NIST
Cp,gas 58.41 J/mol×K 371.23 NIST
Cp,liquid 86.90 J/mol×K 285.00 NIST
η [0.0002359; 0.0008047] Pa×s [161.05; 283.52] Show Hide
η 0.0008047 Pa×s 161.05 Joback Calculated Property
η 0.0005846 Pa×s 181.46 Joback Calculated Property
η 0.0004531 Pa×s 201.87 Joback Calculated Property
η 0.0003680 Pa×s 222.28 Joback Calculated Property
η 0.0003095 Pa×s 242.70 Joback Calculated Property
η 0.0002674 Pa×s 263.11 Joback Calculated Property
η 0.0002359 Pa×s 283.52 Joback Calculated Property
ΔfusH [5.17; 5.17] kJ/mol [160.65; 160.70] Show Hide
ΔfusH 5.17 kJ/mol 160.65 NIST
ΔfusH 5.17 kJ/mol 160.70 NIST
ΔfusH 5.17 kJ/mol 160.70 NIST
ΔvapH [25.50; 26.90] kJ/mol [253.50; 290.50] Show Hide
ΔvapH 26.80 kJ/mol 253.50 NIST
ΔvapH 26.80 kJ/mol 261.50 NIST
ΔvapH 25.53 kJ/mol 283.66 NIST
ΔvapH 25.50 ± 0.30 kJ/mol 283.66 NIST
ΔvapH 25.54 kJ/mol 283.70 NIST
ΔvapH 25.61 kJ/mol 283.80 KDB
ΔvapH 26.90 kJ/mol 290.50 NIST
Pvap [174.71; 766.70] kPa [298.15; 348.15] Show Hide
Pvap 174.71 kPa 298.15 Vapor-L...
Pvap 766.70 kPa 348.15 Vapor-L...
ρl 899.00 kg/m3 273.00 KDB
ΔfusS 32.20 J/mol×K 160.65 NIST
γ 0.03 N/m 243.20 KDB
ΔvapS 89.99 J/mol×K 283.66 NIST

Similar Compounds

Oxiranyl radical. CH2CH2OH. Ethanol-d1. Ethanol-1,1-d2. Ethanol. C2H3D3O. [2H6]ethanol. Ethanol-d5. Ethane, methoxy-. Ethyl, 1-methoxy-. Pluronic f-68. 1,2-Ethanediol. Ethoxyacetylene. Ethyl ether. Ethyl-nitrite-.

Find more compounds similar to Ethylene oxide.

Sources

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