Chemical Properties of Benzidine (CAS 92-87-5)

InChI

InChI=1S/C12H12N2/c13-11-5-1-9(2-6-11)10-3-7-12(14)8-4-10/h1-8H,13-14H2

InChI Key

HFACYLZERDEVSX-UHFFFAOYSA-N

Formula

C12H12N2

SMILES

Nc1ccc(-c2ccc(N)cc2)cc1

Molecular Weight¹

184.24

CAS

92-87-5

Other Names

• 4,4'-Bianiline
• 4,4'-Biphenyldiamine
• 4,4'-Biphenylenediamine
• 4,4'-Diamino-1,1'-biphenyl
• 4,4'-Diaminobiphenyl
• 4,4'-Diaminodiphenyl
• 4,4'-Diphenylenediamine
• Benzidin
• Benzidina
• Benzydyna
• Biphenyl -4,4'-ylenediamine
• Biphenyl,4,4'-diamino-
• C.I. 37225
• C.I. Azoic Diazo Component 112
• Fast Corinth Base B
• NCI-C03361
• NSC 146476
• Rcra waste number U021
• UN 1885
• [1,1'-Biphenyl]-4,4'-diamine
• p,p'-Bianiline
• p,p'-Diaminobiphenyl
• p,p'-Dianiline
• p,p-Bianiline
• p-Diaminodiphenyl
• p-benzidine

• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• 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 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).
• 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).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_boilr : Boiling point at reduced pressure (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔcH°solid	[-6544.20; -6508.00]	kJ/mol
ΔcH°solid	-6508.00 ± 1.00	kJ/mol	NIST
ΔcH°solid	-6544.20	kJ/mol	NIST
ΔfG°	388.62	kJ/mol	Joback Calculated Property
ΔfH°gas	226.69	kJ/mol	Joback Calculated Property
ΔfH°solid	107.00	kJ/mol	NIST
ΔfusH°	24.53	kJ/mol	Joback Calculated Property
ΔvapH°	69.46	kJ/mol	Joback Calculated Property
IE	6.88	eV	NIST
log10WS	[-2.70; -2.70]
log10WS	-2.70		Aq. Sol...
log10WS	-2.70		Estimat...
logPoct/wat	2.518		Crippen Calculated Property
McVol	152.380	ml/mol	McGowan Calculated Property
Pc	3791.65	kPa	Joback Calculated Property
Inp	[2042.00; 2111.00]
Inp	2111.00		NIST
Inp	2070.00		NIST
Inp	2042.00		NIST
Inp	2111.00		NIST
Inp	2042.00		NIST
Tboil	682.34	K	Joback Calculated Property
Tc	947.66	K	Joback Calculated Property
Tfus	[273.15; 400.00]	K
Tfus	400.00 ± 1.00	K	NIST
Tfus	273.15 ± 2.00	K	NIST
Vc	0.549	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[391.10; 457.98]	J/mol×K	[682.34; 947.66]
Cp,gas	391.10	J/mol×K	682.34	Joback Calculated Property
Cp,gas	404.97	J/mol×K	726.56	Joback Calculated Property
Cp,gas	417.65	J/mol×K	770.78	Joback Calculated Property
Cp,gas	429.21	J/mol×K	815.00	Joback Calculated Property
Cp,gas	439.73	J/mol×K	859.22	Joback Calculated Property
Cp,gas	449.29	J/mol×K	903.44	Joback Calculated Property
Cp,gas	457.98	J/mol×K	947.66	Joback Calculated Property
ΔfusH	[19.10; 19.10]	kJ/mol	[400.20; 400.20]
ΔfusH	19.10	kJ/mol	400.20	NIST
ΔfusH	19.10	kJ/mol	400.20	NIST

Pressure Dependent Properties

Similar Compounds

Find more compounds similar to Benzidine.

Sources

• Crippen Method
• Joback Method
• Aqueous Solubility Prediction Method
• Estimated Solubility Method
• McGowan Method
• NIST Webbook

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