Chemical Properties of Azobenzene, (E)- (CAS 17082-12-1)

InChI

InChI=1S/C12H10N2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10H

InChI Key

DMLAVOWQYNRWNQ-UHFFFAOYSA-N

Formula

C12H10N2

SMILES

c1ccc(N=Nc2ccccc2)cc1

Molecular Weight¹

182.22

CAS

17082-12-1

Other Names

• Diazene, diphenyl-, (E)-
• trans-Azobenzene
• (E)-Diphenyldiazene
• Diazene,diphenyl-,(trans)-

• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• C_p,solid : Solid 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 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).
• P_c : Critical Pressure (kPa).
• ρ_c : Critical density (kg/m³).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔcH°solid	[-6471.40; -6459.90]	kJ/mol
ΔcH°solid	-6462.68 ± 0.88	kJ/mol	NIST
ΔcH°solid	-6459.90 ± 1.00	kJ/mol	NIST
ΔcH°solid	-6461.50 ± 3.40	kJ/mol	NIST
ΔcH°solid	-6471.40	kJ/mol	NIST
ΔcH°solid	-6466.80	kJ/mol	NIST
ΔfH°gas	[402.20; 413.60]	kJ/mol
ΔfH°gas	405.50 ± 1.30	kJ/mol	NIST
ΔfH°gas	402.20 ± 2.70	kJ/mol	NIST
ΔfH°gas	403.80	kJ/mol	NIST
ΔfH°gas	413.60	kJ/mol	NIST
ΔfH°gas	410.60	kJ/mol	NIST
ΔfH°solid	[308.60; 320.00]	kJ/mol
ΔfH°solid	311.41	kJ/mol	NIST
ΔfH°solid	308.60 ± 1.90	kJ/mol	NIST
ΔfH°solid	310.20 ± 3.40	kJ/mol	NIST
ΔfH°solid	320.00	kJ/mol	NIST
ΔfH°solid	317.00 ± 2.00	kJ/mol	NIST
ΔvapH°	72.80 ± 0.70	kJ/mol	NIST
IE	[8.46; 8.50]	eV
IE	8.50 ± 0.05	eV	NIST
IE	8.46	eV	NIST
log10WS	-3.51		Crippen Calculated Property
logPoct/wat	4.102		Crippen Calculated Property
McVol	148.080	ml/mol	McGowan Calculated Property
Pc	4400.00 ± 350.00	kPa	NIST
ρc	315.24 ± 14.94	kg/m3	NIST
Inp	278.00		NIST
Tboil	676.52	K	Joback Calculated Property
Tc	830.00 ± 3.00	K	NIST
Tfus	[339.15; 342.20]	K
Tfus	339.99 ± 0.20	K	NIST
Tfus	340.50 ± 0.50	K	NIST
Tfus	341.00 ± 1.00	K	NIST
Tfus	339.15 ± 0.60	K	NIST
Tfus	342.20 ± 1.00	K	NIST
Ttriple	[341.00; 341.06]	K
Ttriple	341.00 ± 2.00	K	NIST
Ttriple	341.06 ± 0.02	K	NIST
Ttriple	341.03 ± 0.02	K	NIST

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,solid	229.00	J/mol×K	298.15	NIST
ΔfusH	[22.53; 22.65]	kJ/mol	[341.10; 341.90]
ΔfusH	22.53	kJ/mol	341.10	NIST
ΔfusH	22.65	kJ/mol	341.90	NIST
ΔsubH	[92.10; 96.90]	kJ/mol	[308.00; 322.50]
ΔsubH	96.90 ± 0.80	kJ/mol	308.00	NIST
ΔsubH	94.90 ± 0.80	kJ/mol	308.00	NIST
ΔsubH	92.10 ± 0.90	kJ/mol	319.50	NIST
ΔsubH	93.80 ± 1.20	kJ/mol	322.50	NIST
ΔvapH	62.30	kJ/mol	471.00	NIST

Similar Compounds

Find more compounds similar to Azobenzene, (E)-.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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