Chemical Properties of «alpha»-Methylstilbene (CAS 779-51-1)

InChI

InChI=1S/C15H14/c1-13(15-10-6-3-7-11-15)12-14-8-4-2-5-9-14/h2-12H,1H3

InChI Key

OVZXISBUYCEVEV-UHFFFAOYSA-N

Formula

C15H14

SMILES

CC(=Cc1ccccc1)c1ccccc1

Molecular Weight¹

194.27

CAS

779-51-1

Other Names

• 1,2-Diphenyl-1-propene
• 1,2-Diphenylpropene
• 1-Methyl-1,2-diphenylethene
• 1-Propene, 1,2-diphenyl-
• Benzene, 1,1'-(1-methyl-1,2-ethenediyl)bis-
• Stilbene, «alpha»-methyl-
• Stilbene, «alpha»-methyl-

• 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_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• 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 : Polar retention indices.
• T_boil : Normal Boiling Point Temperature (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
ΔfG°	371.91	kJ/mol	Joback Calculated Property
ΔfH°gas	227.56	kJ/mol	Joback Calculated Property
ΔfusH°	21.58	kJ/mol	Joback Calculated Property
ΔvapH°	53.57	kJ/mol	Joback Calculated Property
log10WS	-4.50		Crippen Calculated Property
logPoct/wat	4.247		Crippen Calculated Property
McVol	170.390	ml/mol	McGowan Calculated Property
Pc	2659.77	kPa	Joback Calculated Property
I	[2446.00; 2446.00]
I	2446.00		NIST
I	2446.00		NIST
Tboil	558.00 ± 5.00	K	NIST
Tc	850.12	K	Joback Calculated Property
Tfus	[354.00; 355.00]	K
Tfus	354.00 ± 2.00	K	NIST
Tfus	355.00 ± 3.00	K	NIST
Vc	0.640	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[401.25; 489.51]	J/mol×K	[600.00; 850.12]
Cp,gas	401.25	J/mol×K	600.00	Joback Calculated Property
Cp,gas	419.27	J/mol×K	641.69	Joback Calculated Property
Cp,gas	435.81	J/mol×K	683.37	Joback Calculated Property
Cp,gas	450.99	J/mol×K	725.06	Joback Calculated Property
Cp,gas	464.92	J/mol×K	766.75	Joback Calculated Property
Cp,gas	477.72	J/mol×K	808.43	Joback Calculated Property
Cp,gas	489.51	J/mol×K	850.12	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.65]	kPa	[414.92; 593.76]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.42576e+01
Coefficient B			-4.44896e+03
Coefficient C			-9.64550e+01
Temperature range, min.			414.92
Temperature range, max.			593.76
Pvap	1.33	kPa	414.92	Calculated Property
Pvap	3.03	kPa	434.79	Calculated Property
Pvap	6.28	kPa	454.66	Calculated Property
Pvap	12.06	kPa	474.53	Calculated Property
Pvap	21.71	kPa	494.40	Calculated Property
Pvap	36.95	kPa	514.28	Calculated Property
Pvap	59.92	kPa	534.15	Calculated Property
Pvap	93.17	kPa	554.02	Calculated Property
Pvap	139.65	kPa	573.89	Calculated Property
Pvap	202.65	kPa	593.76	Calculated Property

Similar Compounds

Find more compounds similar to «alpha»-Methylstilbene.

Sources

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

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