Chemical Properties of Diazene, bis(4-ethoxyphenyl)-, 1-oxide

InChI

InChI=1S/C16H18N2O3/c1-3-20-15-9-5-13(6-10-15)17-18(19)14-7-11-16(12-8-14)21-4-2/h5-12H,3-4H2,1-2H3

InChI Key

QUICZVHSJNKDBL-UHFFFAOYSA-N

Formula

C16H18N2O3

SMILES

CCOc1ccc(N=[N+]([O-])c2ccc(OCC)cc2)cc1

Molecular Weight¹

286.33

Other Names

• Azoxybenzene, 4,4'-diethoxy-
• p,p'-Azoxyphenetole
• 4,4'-Azoxydiphenetole
• 4,4'-Azoxyphenetole
• 4,4'-Bis(ethoxy)azoxybenzene
• 4,4'-Diethoxyazoxybenzene
• p-Azoxyphenetole
• p,p'-Azoxydiphenetole
• p,p'-Diethoxyazoxybenzene
• Azoxyphenetole
• NSC 142006
• p,p'-Diethyloxyazoxybenzene
• PAP
• Phenetole, 4,4'-azoxydi-

• ω : Acentric Factor.
• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_subH° : Enthalpy of sublimation at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (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).
• P_c : Critical Pressure (kPa).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.8011		Relay (1.0) Calculated Property
ΔcH°solid	[-8822.80; -8705.00]	kJ/mol
ΔcH°solid	-8705.00 ± 1.50	kJ/mol	NIST
ΔcH°solid	-8822.80	kJ/mol	NIST
ΔcH°solid	-8822.80	kJ/mol	NIST
ΔfH°gas	-37.40 ± 3.70	kJ/mol	NIST
ΔfH°solid	[-163.60; -45.60]	kJ/mol
ΔfH°solid	-163.60 ± 2.60	kJ/mol	NIST
ΔfH°solid	-45.60	kJ/mol	NIST
ΔfH°solid	-45.86	kJ/mol	NIST
ΔsubH°	[126.20; 126.20]	kJ/mol
ΔsubH°	126.20 ± 2.70	kJ/mol	NIST
ΔsubH°	126.20 ± 2.70	kJ/mol	NIST
ΔvapH°	98.92	kJ/mol	Relay (1.0) Calculated Property
IE	[7.20; 7.65]	eV
IE	7.20	eV	NIST
IE	7.65	eV	NIST
log10WS	-5.06		Relay (1.0) Calculated Property
logPoct/wat	4.410		Crippen Calculated Property
McVol	222.050	ml/mol	McGowan Calculated Property
Pc	1987.73	kPa	Relay (1.0-beta) Calculated Property
Tboil	651.25	K	Relay (1.0) Calculated Property
Tc	905.02	K	Relay (1.0) Calculated Property
Tfus	344.93	K	Relay (1.0) Calculated Property

Cheméo can also estimate Critical Volume, Standard Gibbs free energy of formation for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Similar Compounds

Find more compounds similar to Diazene, bis(4-ethoxyphenyl)-, 1-oxide.

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• McGowan Method
• NIST Webbook

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