Chemical Properties of cis-Stilbene (CAS 645-49-8)

InChI

InChI=1S/C14H12/c1-3-7-13(8-4-1)11-12-14-9-5-2-6-10-14/h1-12H/b12-11-

InChI Key

PJANXHGTPQOBST-QXMHVHEDSA-N

Formula

C14H12

SMILES

C(=Cc1ccccc1)c1ccccc1

Molecular Weight¹

180.25

CAS

645-49-8

Other Names

• (1,2-Ethenediyl)-1,1'-bisbenzene, (Z)-
• (Z)-1,2-DIPHENYLETHYLENE
• (Z)-1,2-Diphenylethene
• (Z)-STILBENE
• 1,1'-(1,2-Ethanediyl)bis[benzene], cis
• 1,2-Diphenylethene, (Z)-
• 1,cis-2-Diphenylethene
• 1,cis-2-Diphenylethylene
• Benzene, 1,1'-(1,2-ethenediyl)bis-, (Z)-
• Benzene, 1,1'-(1,2-ethenedyl)bis-, (Z)-
• Benzene, 1,1'-(1Z)-1,2-ethenediylbis-
• CIS-1,2-DIPHENYLETHENE
• Dibenzal (cis)
• Isostilbene
• Stilbene, (Z)-
• cis-1,2-Diphenylethylene
• cis-Diphenylethene

• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (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).
• P_vap : Vapor pressure (kPa).
• I_np : Non-polar retention indices.
• I : 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°liquid	[-7407.60; -7404.05]	kJ/mol
ΔcH°liquid	-7404.05 ± 0.75	kJ/mol	NIST
ΔcH°liquid	-7407.60 ± 1.50	kJ/mol	NIST
ΔfG°	372.04	kJ/mol	Joback Calculated Property
ΔfH°gas	257.99	kJ/mol	Joback Calculated Property
ΔfusH°	20.30	kJ/mol	Joback Calculated Property
ΔvapH°	[50.30; 70.50]	kJ/mol
ΔvapH°	70.50 ± 0.40	kJ/mol	NIST
ΔvapH°	50.30 ± 1.00	kJ/mol	NIST
ΔvapH°	66.00 ± 1.00	kJ/mol	NIST
IE	[7.80; 8.17]	eV
IE	7.80 ± 0.02	eV	NIST
IE	8.17	eV	NIST
log10WS	-4.08		Crippen Calculated Property
logPoct/wat	3.857		Crippen Calculated Property
McVol	156.300	ml/mol	McGowan Calculated Property
Pc	2928.17	kPa	Joback Calculated Property
Inp	1570.00		NIST
I	2205.00		NIST
Tboil	577.24	K	Joback Calculated Property
Tc	828.15	K	Joback Calculated Property
Tfus	295.30	K	Joback Calculated Property
Vc	0.584	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[352.81; 436.51]	J/mol×K	[577.24; 828.15]
Cp,gas	352.81	J/mol×K	577.24	Joback Calculated Property
Cp,gas	370.00	J/mol×K	619.06	Joback Calculated Property
Cp,gas	385.74	J/mol×K	660.88	Joback Calculated Property
Cp,gas	400.15	J/mol×K	702.70	Joback Calculated Property
Cp,gas	413.35	J/mol×K	744.52	Joback Calculated Property
Cp,gas	425.43	J/mol×K	786.33	Joback Calculated Property
Cp,gas	436.51	J/mol×K	828.15	Joback Calculated Property
η	[0.0001520; 0.0024141]	Pa×s	[295.30; 577.24]
η	0.0024141	Pa×s	295.30	Joback Calculated Property
η	0.0011098	Pa×s	342.29	Joback Calculated Property
η	0.0006154	Pa×s	389.28	Joback Calculated Property
η	0.0003875	Pa×s	436.27	Joback Calculated Property
η	0.0002670	Pa×s	483.26	Joback Calculated Property
η	0.0001965	Pa×s	530.25	Joback Calculated Property
η	0.0001520	Pa×s	577.24	Joback Calculated Property
ΔsubH	90.80 ± 0.80	kJ/mol	329.00	NIST
ΔvapH	66.50	kJ/mol	400.50	NIST

Pressure Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.66]	kPa	[434.72; 591.00]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.59981e+01
Coefficient B			-5.22261e+03
Coefficient C			-1.02293e+02
Temperature range, min.			434.72
Temperature range, max.			591.00
Pvap	1.33	kPa	434.72	Calculated Property
Pvap	2.91	kPa	452.08	Calculated Property
Pvap	5.89	kPa	469.45	Calculated Property
Pvap	11.20	kPa	486.81	Calculated Property
Pvap	20.14	kPa	504.18	Calculated Property
Pvap	34.50	kPa	521.54	Calculated Property
Pvap	56.63	kPa	538.91	Calculated Property
Pvap	89.48	kPa	556.27	Calculated Property
Pvap	136.71	kPa	573.64	Calculated Property
Pvap	202.66	kPa	591.00	Calculated Property
Pvap	[4.57e-05; 106.45]	kPa	[268.15; 535.00]	KDB Vap...
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			9.75110e+00
Coefficient B			-7.68079e+03
Coefficient C			1.63716e+00
Coefficient D			-3.53538e-06
Temperature range, min.			268.15
Temperature range, max.			535.00
Pvap	4.57e-05	kPa	268.15	Calculated Property
Pvap	8.86e-04	kPa	297.80	Calculated Property
Pvap	0.01	kPa	327.45	Calculated Property
Pvap	0.08	kPa	357.10	Calculated Property
Pvap	0.41	kPa	386.75	Calculated Property
Pvap	1.76	kPa	416.40	Calculated Property
Pvap	6.14	kPa	446.05	Calculated Property
Pvap	18.13	kPa	475.70	Calculated Property
Pvap	46.57	kPa	505.35	Calculated Property
Pvap	106.45	kPa	535.00	Calculated Property

Similar Compounds

Find more compounds similar to cis-Stilbene.

Sources

• KDB Vapor Pressure Data
• Crippen Method
• Crippen Method
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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