Ethylene oxide (CAS 75-21-8)

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
Ethene oxide
Ethyleenoxide
Etylenu tlenek
FEMA No. 2433
Merpol
NCI-C50088
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
epoxyethane
oxirane
«alpha»,«beta»-Oxidoethane

ω : Acentric Factor.
PAff : Proton affinity (kJ/mol).
T_ig : Autoignition Temperature (K).
BasG : Gas basicity (kJ/mol).
Δ_cH°_gas : Standard gas enthalpy of combustion (kJ/mol).
Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
C_p,gas : Ideal gas heat capacity (J/mol×K).
C_p,liquid : Liquid phase heat capacity (J/mol×K).
μ : Dipole Moment (debye).
η : Dynamic viscosity (Pa×s).
ε_r : Dielectric Constant (Relative permittivity).
LFL : Lower Flammability Limit (% in Air).
UFL : Upper Flammability Limit (% in Air).
T_flash,cc : Flash Point (Closed Cup Method) (K).
Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
Δ_fH°_liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
IE : Ionization energy (eV).
log₁₀WS : Log10 of Water solubility in mol/l.
logP_oct/wat : Octanol/Water partition coefficient.
McVol : McGowan's characteristic volume (ml/mol).
NFPA Fire : NFPA Fire Rating.
NFPA Health : NFPA Health Rating.
NFPA Safety : NFPA Safety Rating.
P_c : Critical Pressure (kPa).
P_triple : Triple Point Pressure (kPa).
P_vap : Vapor pressure (kPa).
n₀ : Refractive Index.
ρ_c : Critical density (kg/m³).
ρ_l : Liquid Density (kg/m³).
I_np : Non-polar retention indices.
I_p : Polar retention indices.
Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
γ : Surface Tension (N/m).
Δ_vapS : Entropy of vaporization at a given temperature (J/mol×K).
T_boil : Normal Boiling Point Temperature (K).
T_c : Critical Temperature (K).
λ_gas : Gas thermal conductivity (W/m×K).
λ_liquid : Liquid thermal conductivity (W/m×K).
T_fus : Normal melting (fusion) point (K).
T_triple : Triple Point Temperature (K).
U_Qi : UNIQUAC Qi Parameter.
U_Ri : UNIQUAC Ri Parameter.
V_c : Critical Volume (m³/kmol).
Z_c : Critical Compressibility.
Z_ra : Rackett Parameter.
¹: Molecular weight from the IUPAC atomic weights tables.

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Physical Properties

Property	Value	Unit	Source
ω	[0.1974; 0.2020]
ω	0.1974		ChemSep v8.3 pure component data Compiled value
ω	0.2020		KDB
PAff	774.20	kJ/mol	NIST
T_ig	702.04	K	KDB
BasG	745.30	kJ/mol	NIST
Δ_cH°_gas	[-1307.70; -1306.00]	kJ/mol
Δ_cH°_gas	-1306.00 ± 0.59	kJ/mol	NIST
Δ_cH°_gas	-1307.70 ± 0.84	kJ/mol	NIST
Δ_cH°_liquid	-1262.90 ± 1.30	kJ/mol	NIST
μ	[1.89; 1.90]	debye
μ	1.89	debye	ChemSep v8.3 pure component data Compiled value
μ	1.90	debye	KDB
ε_r	13.00		NCMS SOLV-DB
LFL	3.00	% in Air	KDB
UFL	100.00	% in Air	KDB
T_flash,cc	[244.15; 255.37]	K
T_flash,cc	255.37	K	KDB
T_flash,cc	244.15	K	NCMS SOLV-DB
Δ_fG°	[-13.23; -13.10]	kJ/mol
Δ_fG°	-13.23	kJ/mol	ChemSep v8.3 pure component data Compiled value
Δ_fG°	-13.10	kJ/mol	KDB
Δ_fH°_gas	[-70.20; -52.63]	kJ/mol
Δ_fH°_gas	-52.63	kJ/mol	ChemSep v8.3 pure component data Compiled value
Δ_fH°_gas	-52.67	kJ/mol	KDB
Δ_fH°_gas	-52.63 ± 0.63	kJ/mol	NIST
Δ_fH°_gas	-70.20	kJ/mol	NIST
Δ_fH°_liquid	-95.70 ± 1.30	kJ/mol	NIST
Δ_fusH°	5.98	kJ/mol	Joback Calculated Property
Δ_vapH°	[25.08; 25.90]	kJ/mol
Δ_vapH°	25.08	kJ/mol	NCMS SOLV-DB
Δ_vapH°	25.51	kJ/mol	NIST
Δ_vapH°	25.90	kJ/mol	NIST
IE	[10.15; 10.60]	eV
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	0.44		Relay (1.0) Calculated Property
logP_oct/wat	-0.300		NCMS SOLV-DB
McVol	34.050	ml/mol	McGowan Calculated Property
NFPA Fire	[%!d(float64=4); %!d(float64=4)]
NFPA Fire	4		KDB
NFPA Fire	4		NCMS SOLV-DB
NFPA Health	[%!d(float64=2); %!d(float64=2)]
NFPA Health	2		KDB
NFPA Health	2		NCMS SOLV-DB
NFPA Safety	3		NCMS SOLV-DB
P_c	[7190.00; 7233.00]	kPa
P_c	7190.00	kPa	ChemSep v8.3 pure component data Compiled value
P_c	7190.00	kPa	KDB
P_c	7233.00 ± 68.94	kPa	NIST
P_c	7191.00 ± 75.84	kPa	NIST
P_triple	7.79e-03	kPa	ChemSep v8.3 pure component data Compiled value
ρ_c	[314.10; 319.82]	kg/m³
ρ_c	314.10 ± 10.13	kg/m³	NIST
ρ_c	319.82 ± 10.13	kg/m³	NIST
I_np	[397.00; 417.00]
I_np	397.00		NIST
I_np	410.00		NIST
I_np	417.00		NIST
I_np	417.00		NIST
I_np	405.00		NIST
I_np	405.00		NIST
I_np	400.00		NIST
I_np	400.00		NIST
I_p	680.00		NIST
S°_liquid	149.45	J/mol×K	NIST
T_boil	[283.55; 286.15]	K
T_boil	283.60	K	ChemSep v8.3 pure component data Compiled value
T_boil	283.70	K	KDB
T_boil	283.85	K	NCMS SOLV-DB
T_boil	283.70	K	NIST
T_boil	283.55	K	NIST
T_boil	286.15 ± 1.50	K	NIST
T_boil	283.85 ± 0.40	K	NIST
T_boil	283.88 ± 0.20	K	NIST
T_boil	286.00 ± 4.00	K	NIST
T_c	[465.20; 469.15]	K
T_c	469.15	K	ChemSep v8.3 pure component data Compiled value
T_c	469.15	K	Air Liquide Gas Encyclopedia
T_c	469.00	K	KDB
T_c	468.90 ± 1.11	K	NIST
T_c	469.00 ± 1.00	K	NIST
T_c	Outlier 465.20 ± 2.00	K	NIST
T_fus	[160.55; 162.15]	K
T_fus	160.65	K	ChemSep v8.3 pure component data Compiled value
T_fus	161.15	K	Air Liquide Gas Encyclopedia
T_fus	161.40	K	KDB
T_fus	162.15	K	NCMS SOLV-DB
T_fus	160.55	K	NIST
T_fus	160.60 ± 0.07	K	NIST
T_fus	161.45 ± 0.40	K	NIST
T_fus	161.90 ± 0.60	K	NIST
T_triple	[160.65; 160.65]	K
T_triple	160.65	K	ChemSep v8.3 pure component data Compiled value
T_triple	160.65 ± 0.05	K	NIST
T_triple	160.65 ± 0.02	K	NIST
T_triple	160.65 ± 0.02	K	NIST
U_Qi	1.32		ChemSep v8.3 pure component data Compiled value
U_Ri	1.59		ChemSep v8.3 pure component data Compiled value
V_c	[0.140; 0.140]	m³/kmol
V_c	0.140	m³/kmol	ChemSep v8.3 pure component data Compiled value
V_c	0.140	m³/kmol	KDB
Z_c	[0.2581350; 0.2587600]
Z_c	0.2587600		ChemSep v8.3 pure component data Compiled value
Z_c	0.2581350		KDB
Z_ra	0.26		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
C_p,gas	[49.37; 58.41]	J/mol×K	[307.18; 371.23]
C_p,gas	49.37	J/mol×K	307.18	NIST
C_p,gas	53.51	J/mol×K	337.04	NIST
C_p,gas	58.41	J/mol×K	371.23	NIST
C_p,liquid	86.90	J/mol×K	285.00	NIST
η	0.0003000	Pa×s	298.15	NCMS SOLV-DB
Δ_fusH	[5.17; 5.17]	kJ/mol	[160.65; 160.70]
Δ_fusH	5.17	kJ/mol	160.65	NIST
Δ_fusH	5.17	kJ/mol	160.65	NIST
Δ_fusH	5.17	kJ/mol	160.70	NIST
Δ_fusH	5.17	kJ/mol	160.70	NIST
Δ_vapH	[25.50; 26.90]	kJ/mol	[253.50; 290.50]

Δ_vapH	26.80	kJ/mol	253.50	NIST
Δ_vapH	26.80	kJ/mol	253.50	NIST
Δ_vapH	26.80	kJ/mol	261.50	NIST
Δ_vapH	25.53	kJ/mol	283.66	NIST
Δ_vapH	25.50 ± 0.30	kJ/mol	283.66	NIST
Δ_vapH	25.53	kJ/mol	283.66	NIST
Δ_vapH	25.54	kJ/mol	283.70	NIST
Δ_vapH	25.61	kJ/mol	283.80	KDB
Δ_vapH	26.90	kJ/mol	290.50	NIST
P_vap	[174.65; 766.70]	kPa	[298.15; 348.15]
P_vap	174.71	kPa	298.15	Vapor-Liquid Equilibria on Seven Binary Systems: Ethylene Oxide + 2-Methylpropane; Acetophenone + Phenol; cis-1,3-Dichloropropene + 1,2-Dichloropropane; 1,5-Hexadiene + Allyl Chloride; Isopropyl Acetate + Acetonitrile; Vinyl Chloride + Methyl Chloride; and 1,4-Butanediol + c-Butyrolactone
P_vap	174.65	kPa	298.15	NCMS SOLV-DB
P_vap	766.70	kPa	348.15	Vapor-Liquid Equilibria on Seven Binary Systems: Ethylene Oxide + 2-Methylpropane; Acetophenone + Phenol; cis-1,3-Dichloropropene + 1,2-Dichloropropane; 1,5-Hexadiene + Allyl Chloride; Isopropyl Acetate + Acetonitrile; Vinyl Chloride + Methyl Chloride; and 1,4-Butanediol + c-Butyrolactone
n₀	1.35900		298.15	NCMS SOLV-DB
ρ_l	899.00	kg/m³	273.00	KDB
Δ_fusS	[32.20; 32.20]	J/mol×K	[160.65; 160.65]
Δ_fusS	32.20	J/mol×K	160.65	NIST
Δ_fusS	32.20	J/mol×K	160.65	NIST
γ	0.03	N/m	243.20	KDB
Δ_vapS	[89.99; 89.99]	J/mol×K	[283.66; 283.66]
Δ_vapS	89.99	J/mol×K	283.66	NIST
Δ_vapS	89.99	J/mol×K	283.66	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
C_p,gas	[31.88; 132.67]	J/mol×K	[50.00; 1500.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is C_p,gas in J/mol×K, T in K
Coefficient A			3.18841e+01
Coefficient B			-7.15089e+02
Coefficient C			5.23161e+00
Coefficient D			-8.67837e-05
Coefficient E			-5.18726e-09
Comment			ChemSep eq 16, IdealGasHeatCapacityCp
Temperature range, min.			50.00
Temperature range, max.			1500.00

C_p,gas	31.88	J/mol×K	50.00	Calculated Property
C_p,gas	38.09	J/mol×K	211.11	Calculated Property
C_p,gas	58.39	J/mol×K	372.22	Calculated Property
C_p,gas	78.55	J/mol×K	533.33	Calculated Property
C_p,gas	94.63	J/mol×K	694.44	Calculated Property
C_p,gas	106.90	J/mol×K	855.56	Calculated Property
C_p,gas	116.21	J/mol×K	1016.67	Calculated Property
C_p,gas	123.27	J/mol×K	1177.78	Calculated Property
C_p,gas	128.62	J/mol×K	1338.89	Calculated Property
C_p,gas	132.67	J/mol×K	1500.00	Calculated Property
C_p,gas	[47.83; 123.92]	J/mol×K	[298.00; 1200.00]	NIST
Equation			Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is C_p,gas in J/mol×K, T in K
Coefficient A			-2.32580e+01
Coefficient B			2.75700e+02
Coefficient C			-1.88973e+02
Coefficient D			5.10335e+01
Coefficient E			3.86930e-01
Reference			Chase, 1998
Comment			F=-55.09156, G=142.7777, H=-52.63514; Data last reviewed in September, 1965
Temperature range, min.			298.00
Temperature range, max.			1200.00

C_p,gas	47.83	J/mol×K	298.00	Calculated Property
C_p,gas	62.23	J/mol×K	398.22	Calculated Property
C_p,gas	75.09	J/mol×K	498.44	Calculated Property
C_p,gas	86.10	J/mol×K	598.67	Calculated Property
C_p,gas	95.34	J/mol×K	698.89	Calculated Property
C_p,gas	103.03	J/mol×K	799.11	Calculated Property
C_p,gas	109.45	J/mol×K	899.33	Calculated Property
C_p,gas	114.87	J/mol×K	999.56	Calculated Property
C_p,gas	119.59	J/mol×K	1099.78	Calculated Property
C_p,gas	123.92	J/mol×K	1200.00	Calculated Property
C_p,gas	[123.55; 156.10]	J/mol×K	[1200.00; 6000.00]	NIST
Equation			Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is C_p,gas in J/mol×K, T in K
Coefficient A			1.31348e+02
Coefficient B			1.38059e+01
Coefficient C			-2.64506e+00
Coefficient D			1.75820e-01
Coefficient E			-3.00364e+01
Reference			Chase, 1998
Comment			F=-158.3795, G=313.4276, H=-52.63514; Data last reviewed in September, 1965
Temperature range, min.			1200.00
Temperature range, max.			6000.00

C_p,gas	123.55	J/mol×K	1200.00	Calculated Property
C_p,gas	138.25	J/mol×K	1733.33	Calculated Property
C_p,gas	145.25	J/mol×K	2266.67	Calculated Property
C_p,gas	149.30	J/mol×K	2800.00	Calculated Property
C_p,gas	151.79	J/mol×K	3333.33	Calculated Property
C_p,gas	153.34	J/mol×K	3866.67	Calculated Property
C_p,gas	154.31	J/mol×K	4400.00	Calculated Property
C_p,gas	154.96	J/mol×K	4933.33	Calculated Property
C_p,gas	155.49	J/mol×K	5466.67	Calculated Property
C_p,gas	156.10	J/mol×K	6000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
C_p,liquid	[81.91; 86.99]	J/mol×K	[160.60; 285.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is C_p,liquid in J/mol×K, T in K
Coefficient A			8.19110e+01
Coefficient B			-5.00030e+04
Coefficient C			5.27582e+02
Coefficient D			-1.86540e+00
Coefficient E			2.23000e-03
Comment			ChemSep eq 16, LiquidHeatCapacityCp
Temperature range, min.			160.60
Temperature range, max.			285.00

C_p,liquid	81.91	J/mol×K	160.60	Calculated Property
C_p,liquid	81.91	J/mol×K	174.42	Calculated Property
C_p,liquid	81.91	J/mol×K	188.24	Calculated Property
C_p,liquid	81.91	J/mol×K	202.07	Calculated Property
C_p,liquid	81.97	J/mol×K	215.89	Calculated Property
C_p,liquid	82.31	J/mol×K	229.71	Calculated Property
C_p,liquid	83.17	J/mol×K	243.53	Calculated Property
C_p,liquid	84.40	J/mol×K	257.36	Calculated Property
C_p,liquid	85.67	J/mol×K	271.18	Calculated Property
C_p,liquid	86.99	J/mol×K	285.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0019176; 0.0000997]	Pa×s	[160.65; 469.15]	ChemSep v8.3 pure component data Compiled value
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-8.57850e+00
Coefficient B			6.34700e+02
Coefficient C			-3.20310e-01
Coefficient D			-8.10950e-08
Coefficient E			2.00000e+00
Comment			ChemSep eq 101, LiquidViscosity
Temperature range, min.			160.65
Temperature range, max.			469.15

η	0.0019176	Pa×s	160.65	Calculated Property
η	0.0008989	Pa×s	194.93	Calculated Property
η	0.0005238	Pa×s	229.21	Calculated Property
η	0.0003489	Pa×s	263.48	Calculated Property
η	0.0002539	Pa×s	297.76	Calculated Property
η	0.0001964	Pa×s	332.04	Calculated Property
η	0.0001588	Pa×s	366.32	Calculated Property
η	0.0001328	Pa×s	400.59	Calculated Property
η	0.0001139	Pa×s	434.87	Calculated Property
η	0.0000997	Pa×s	469.15	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Δ_vapH	[31.94; 1.46]	kJ/mol	[160.65; 468.93]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is Δ_vapH in kJ/mol, T in K
Coefficient A			5.92850e+01
Coefficient B			3.21750e+00
Coefficient C			-7.40400e+00
Coefficient D			7.85530e+00
Coefficient E			-3.18580e+00
Critical temperature, Tc (K)			4.69150e+02
Comment			ChemSep eq 106, HeatOfVaporization
Temperature range, min.			160.65
Temperature range, max.			468.93

Δ_vapH	31.94	kJ/mol	160.65	Calculated Property
Δ_vapH	30.00	kJ/mol	194.90	Calculated Property
Δ_vapH	28.29	kJ/mol	229.16	Calculated Property
Δ_vapH	26.59	kJ/mol	263.41	Calculated Property
Δ_vapH	24.74	kJ/mol	297.66	Calculated Property
Δ_vapH	22.64	kJ/mol	331.92	Calculated Property
Δ_vapH	20.22	kJ/mol	366.17	Calculated Property
Δ_vapH	17.35	kJ/mol	400.42	Calculated Property
Δ_vapH	13.49	kJ/mol	434.68	Calculated Property
Δ_vapH	1.46	kJ/mol	468.93	Calculated Property

Property	Value	Unit	Temperature (K)	Source
P_vap	[1.33; 6516.51]	kPa	[207.53; 469.15]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is P_vap in kPa, T in K
Coefficient A			1.45512e+01
Coefficient B			-2.53439e+03
Coefficient C			-2.98490e+01
Temperature range, min.			207.53
Temperature range, max.			469.15

P_vap	1.33	kPa	207.53	Calculated Property
P_vap	9.90	kPa	236.60	Calculated Property
P_vap	44.88	kPa	265.67	Calculated Property
P_vap	145.98	kPa	294.74	Calculated Property
P_vap	376.00	kPa	323.81	Calculated Property
P_vap	816.84	kPa	352.87	Calculated Property
P_vap	1561.17	kPa	381.94	Calculated Property
P_vap	2703.07	kPa	411.01	Calculated Property
P_vap	4329.88	kPa	440.08	Calculated Property
P_vap	6516.51	kPa	469.15	Calculated Property
P_vap	[7.85e-03; 7268.63]	kPa	[160.65; 469.15]	ChemSep v8.3 pure component data Compiled value
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is P_vap in kPa, T in K
Coefficient A			6.27009e+01
Coefficient B			-4.89074e+03
Coefficient C			-7.34677e+00
Coefficient D			8.19848e-06
Coefficient E			2.00000e+00
Comment			ChemSep eq 101, VaporPressure
Temperature range, min.			160.65
Temperature range, max.			469.15

P_vap	7.85e-03	kPa	160.65	Calculated Property
P_vap	0.44	kPa	194.93	Calculated Property
P_vap	6.47	kPa	229.21	Calculated Property
P_vap	42.84	kPa	263.48	Calculated Property
P_vap	173.02	kPa	297.76	Calculated Property
P_vap	505.49	kPa	332.04	Calculated Property
P_vap	1185.93	kPa	366.32	Calculated Property
P_vap	2390.00	kPa	400.59	Calculated Property
P_vap	4328.47	kPa	434.87	Calculated Property
P_vap	7268.63	kPa	469.15	Calculated Property
P_vap	[7.61e-03; 7296.19]	kPa	[160.71; 469.15]	KDB Vapor Pressure Data
Equation			ln(Y) = A + B/T + C·ln(T) + D·T² + E/T² Y is P_vap in kPa, T in K
Coefficient A			6.64077e+01
Coefficient B			-5.01071e+03
Coefficient C			-7.94255e+00
Coefficient D			9.18560e-06
Coefficient E			0.00000e+00
Temperature range, min.			160.71
Temperature range, max.			469.15

P_vap	7.61e-03	kPa	160.71	Calculated Property
P_vap	0.44	kPa	194.98	Calculated Property
P_vap	6.47	kPa	229.25	Calculated Property
P_vap	42.88	kPa	263.52	Calculated Property
P_vap	172.83	kPa	297.79	Calculated Property
P_vap	503.69	kPa	332.07	Calculated Property
P_vap	1180.08	kPa	366.34	Calculated Property
P_vap	2379.35	kPa	400.61	Calculated Property
P_vap	4321.33	kPa	434.88	Calculated Property
P_vap	7296.19	kPa	469.15	Calculated Property
P_vap	[0.13; 101.33]	kPa	[182.59; 283.59]	NIST
Equation			ln(Y) = A + B/(T + C) Y is P_vap in kPa, T in K
Coefficient A			1.47043e+01
Coefficient B			-2.56761e+03
Coefficient C			-2.90150e+01
Reference			McDonald, Shrader, et al., 1959, 2
Temperature range, min.			182.59
Temperature range, max.			283.59

P_vap	0.13	kPa	182.59	Calculated Property
P_vap	0.42	kPa	193.81	Calculated Property
P_vap	1.12	kPa	205.03	Calculated Property
P_vap	2.70	kPa	216.26	Calculated Property
P_vap	5.85	kPa	227.48	Calculated Property
P_vap	11.70	kPa	238.70	Calculated Property
P_vap	21.79	kPa	249.92	Calculated Property
P_vap	38.22	kPa	261.15	Calculated Property
P_vap	63.64	kPa	272.37	Calculated Property
P_vap	101.33	kPa	283.59	Calculated Property
P_vap	[67.24; 220.55]	kPa	[273.40; 304.90]	NIST
Equation			ln(Y) = A + B/(T + C) Y is P_vap in kPa, T in K
Coefficient A			1.80683e+01
Coefficient B			-4.65774e+03
Coefficient C			6.26560e+01
Reference			Coles and Popper, 1950
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			273.40
Temperature range, max.			304.90

P_vap	67.24	kPa	273.40	Calculated Property
P_vap	77.57	kPa	276.90	Calculated Property
P_vap	89.22	kPa	280.40	Calculated Property
P_vap	102.33	kPa	283.90	Calculated Property
P_vap	117.05	kPa	287.40	Calculated Property
P_vap	133.53	kPa	290.90	Calculated Property
P_vap	151.94	kPa	294.40	Calculated Property
P_vap	172.45	kPa	297.90	Calculated Property
P_vap	195.25	kPa	301.40	Calculated Property
P_vap	220.55	kPa	304.90	Calculated Property
P_vap	[0.13; 101.33]	kPa	[182.59; 283.59]	NIST
Equation			ln(Y) = A + B/(T + C) Y is P_vap in kPa, T in K
Coefficient A			1.47043e+01
Coefficient B			-2.56761e+03
Coefficient C			-2.90150e+01
Reference			McDonald, Shrader, et al., 1959
Temperature range, min.			182.59
Temperature range, max.			283.59

P_vap	0.13	kPa	182.59	Calculated Property
P_vap	0.42	kPa	193.81	Calculated Property
P_vap	1.12	kPa	205.03	Calculated Property
P_vap	2.70	kPa	216.26	Calculated Property
P_vap	5.85	kPa	227.48	Calculated Property
P_vap	11.70	kPa	238.70	Calculated Property
P_vap	21.79	kPa	249.92	Calculated Property
P_vap	38.22	kPa	261.15	Calculated Property
P_vap	63.64	kPa	272.37	Calculated Property
P_vap	101.33	kPa	283.59	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ρ_l	[1027.02; 323.76]	kg/m³	[160.65; 468.93]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A / B^(1 + (1 − T/C)^D) Y is ρ_l in kg/m³, T in K
Coefficient A			4.39526e+01
Coefficient B			1.93680e-01
Coefficient C			4.69150e+02
Coefficient D			1.99650e-01
Comment			ChemSep eq 105, LiquidDensity
Temperature range, min.			160.65
Temperature range, max.			468.93

ρ_l	1027.02	kg/m³	160.65	Calculated Property
ρ_l	991.63	kg/m³	194.90	Calculated Property
ρ_l	953.93	kg/m³	229.16	Calculated Property
ρ_l	913.34	kg/m³	263.41	Calculated Property
ρ_l	869.04	kg/m³	297.66	Calculated Property
ρ_l	819.73	kg/m³	331.92	Calculated Property
ρ_l	763.12	kg/m³	366.17	Calculated Property
ρ_l	694.61	kg/m³	400.42	Calculated Property
ρ_l	601.48	kg/m³	434.68	Calculated Property
ρ_l	323.76	kg/m³	468.93	Calculated Property

Property	Value	Unit	Temperature (K)	Source
γ	[0.05; 0.00]	N/m	[160.65; 452.91]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is γ in N/m, T in K
Coefficient A			-4.18660e-02
Coefficient B			-3.11340e+00
Coefficient C			-2.12720e+00
Coefficient D			-1.50440e-03
Coefficient E			-1.57490e-06
Comment			ChemSep eq 16, SurfaceTension
Temperature range, min.			160.65
Temperature range, max.			452.91

γ	0.05	N/m	160.65	Calculated Property
γ	0.04	N/m	193.12	Calculated Property
γ	0.04	N/m	225.60	Calculated Property
γ	0.03	N/m	258.07	Calculated Property
γ	0.02	N/m	290.54	Calculated Property
γ	0.02	N/m	323.02	Calculated Property
γ	0.01	N/m	355.49	Calculated Property
γ	0.01	N/m	387.96	Calculated Property
γ	0.01	N/m	420.44	Calculated Property
γ	0.00	N/m	452.91	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λ_gas	[0.00; 0.18]	W/m×K	[160.65; 1000.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A·T^B / (1 + C/T + D/T²) Y is λ_gas in W/m×K, T in K
Coefficient A			-3.29040e-04
Coefficient B			1.17110e+00
Coefficient C			-7.02710e+03
Coefficient D			8.90010e+04
Comment			ChemSep eq 102, VaporThermalConductivity
Temperature range, min.			160.65
Temperature range, max.			1000.00

λ_gas	0.00	W/m×K	160.65	Calculated Property
λ_gas	0.01	W/m×K	253.91	Calculated Property
λ_gas	0.02	W/m×K	347.17	Calculated Property
λ_gas	0.03	W/m×K	440.43	Calculated Property
λ_gas	0.04	W/m×K	533.69	Calculated Property
λ_gas	0.06	W/m×K	626.96	Calculated Property
λ_gas	0.09	W/m×K	720.22	Calculated Property
λ_gas	0.11	W/m×K	813.48	Calculated Property
λ_gas	0.14	W/m×K	906.74	Calculated Property
λ_gas	0.18	W/m×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λ_liquid	[0.21; 0.10]	W/m×K	[160.65; 433.15]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is λ_liquid in W/m×K, T in K
Coefficient A			-2.74800e-01
Coefficient B			8.10930e+00
Coefficient C			-7.00650e-01
Coefficient D			-4.10540e-04
Coefficient E			-6.25880e-07
Comment			ChemSep eq 16, LiquidThermalConductivity
Temperature range, min.			160.65
Temperature range, max.			433.15

λ_liquid	0.21	W/m×K	160.65	Calculated Property
λ_liquid	0.19	W/m×K	190.93	Calculated Property
λ_liquid	0.18	W/m×K	221.21	Calculated Property
λ_liquid	0.17	W/m×K	251.48	Calculated Property
λ_liquid	0.16	W/m×K	281.76	Calculated Property
λ_liquid	0.15	W/m×K	312.04	Calculated Property
λ_liquid	0.14	W/m×K	342.32	Calculated Property
λ_liquid	0.12	W/m×K	372.59	Calculated Property
λ_liquid	0.11	W/m×K	402.87	Calculated Property
λ_liquid	0.10	W/m×K	433.15	Calculated Property

Similar Compounds

Find more compounds similar to Ethylene oxide.

Mixtures

Sources

KDB Vapor Pressure Data
Air Liquide Gas Encyclopedia
Cheméo Relay (1.0)
ChemSep v8.3 pure component data Converted from ChemSep v8.3 pure component data, H. Kooijman and R. Taylor (2021, 2022), Artistic License 2.0; see how the values differ.
Crippen Method
Vapor-Liquid Equilibria on Seven Binary Systems: Ethylene Oxide + 2-Methylpropane; Acetophenone + Phenol; cis-1,3-Dichloropropene + 1,2-Dichloropropane; 1,5-Hexadiene + Allyl Chloride; Isopropyl Acetate + Acetonitrile; Vinyl Chloride + Methyl Chloride; and 1,4-Butanediol + c-Butyrolactone
Vapor-Liquid Equilibria of Binary Systems of Ethene Oxide + Dodecane, Ethene Oxide + 1-Decanol, and Ethene Oxide + 1-Dodecanol and Prediction with the Predictive Soave-Redlich-Kwong (PSRK) Equation of State
Joback Method
KDB
McGowan Method
NIST Webbook
NCMS SOLV-DB
The Yaws Handbook of Vapor Pressure

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