Chemical Properties of Benzopinacol (CAS 464-72-2)

InChI

InChI=1S/C26H22O2/c27-25(21-13-5-1-6-14-21,22-15-7-2-8-16-22)26(28,23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20,27-28H

InChI Key

MFEWNFVBWPABCX-UHFFFAOYSA-N

Formula

C26H22O2

SMILES

OC(c1ccccc1)(c1ccccc1)C(O)(c1ccccc1)c1ccccc1

Molecular Weight¹

366.45

CAS

464-72-2

Other Names

• 1,1,2,2-Tetraphenyl-1,2-ethanediol
• 1,1,2,2-Tetraphenylethylene glycol
• 1,1,2,2-tetraphenylethane-1,2-diol
• 1,2-Ethanediol, 1,1,2,2-tetraphenyl-
• Benzophenone pinacol
• Benzopinacole
• Benzopinacone
• Benzpinacol
• Benzpinacone
• NSC 120377
• Tetraphenyl-1,2-ethanediol
• Tetraphenylethylene glycol
• «alpha»,«alpha»'-Bibenzhydrol

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion 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

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.

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[350.10; 926.87]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A			-1.94730e+02
Coefficient B			2.47780e+00
Coefficient C			-1.91980e-03
Coefficient D			5.63600e-07
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	350.10	J/mol×K	273.00	Calculated Property
Cp,gas	466.54	J/mol×K	353.78	Calculated Property
Cp,gas	565.73	J/mol×K	434.56	Calculated Property
Cp,gas	649.46	J/mol×K	515.33	Calculated Property
Cp,gas	719.50	J/mol×K	596.11	Calculated Property
Cp,gas	777.65	J/mol×K	676.89	Calculated Property
Cp,gas	825.67	J/mol×K	757.67	Calculated Property
Cp,gas	865.36	J/mol×K	838.44	Calculated Property
Cp,gas	898.50	J/mol×K	919.22	Calculated Property
Cp,gas	926.87	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0000406; 0.0000009]	Pa×s	[614.94; 936.18]	Joback Predicted correlation
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-2.11901e+01
Coefficient B			6.81254e+03
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Comment			Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc.
Temperature range, min.			614.94
Temperature range, max.			936.18
η	0.0000406	Pa×s	614.94	Calculated Property
η	0.0000221	Pa×s	650.63	Calculated Property
η	0.0000128	Pa×s	686.33	Calculated Property
η	0.0000079	Pa×s	722.02	Calculated Property
η	0.0000050	Pa×s	757.71	Calculated Property
η	0.0000034	Pa×s	793.41	Calculated Property
η	0.0000023	Pa×s	829.10	Calculated Property
η	0.0000017	Pa×s	864.79	Calculated Property
η	0.0000012	Pa×s	900.48	Calculated Property
η	0.0000009	Pa×s	936.18	Calculated Property

Similar Compounds

Find more compounds similar to Benzopinacol.

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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