Chemical Properties of 2,4-Dimethylstyrene (CAS 2234-20-0)

InChI

InChI=1S/C10H12/c1-4-10-6-5-8(2)7-9(10)3/h4-7H,1H2,2-3H3

InChI Key

OEVVKKAVYQFQNV-UHFFFAOYSA-N

Formula

C10H12

SMILES

C=Cc1ccc(C)cc1C

Molecular Weight¹

132.21

CAS

2234-20-0

Other Names

• 1,3-Dimethyl-4-ethenylbenzene
• 1,3-Dimethyl-4-vinylbenzene
• 1-Vinyl-2,4-dimethylbenzene
• 2,4-Dimethyl-1-vinylbenzene
• 4-vinyl-m-xylene
• Benzene, 1-ethenyl-2,4-dimethyl-
• Styrene, 2,4-dimethyl-

• ω : Acentric Factor.
• 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_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).
• I_np : Non-polar retention indices.
• I_p : 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
ω	0.3742		Relay (1.0) Calculated Property
ΔfG°	214.31	kJ/mol	Joback Calculated Property
ΔfH°gas	104.92	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	13.64	kJ/mol	Joback Calculated Property
ΔvapH°	52.91	kJ/mol	Relay (1.0) Calculated Property
IE	8.22	eV	NIST
log10WS	-3.37		Relay (1.0) Calculated Property
logPoct/wat	2.946		Crippen Calculated Property
McVol	123.700	ml/mol	McGowan Calculated Property
Pc	2969.80	kPa	Joback Calculated Property
Inp	[1075.00; 1100.00]
Inp	1081.00		NIST
Inp	1082.00		NIST
Inp	1075.40		NIST
Inp	Outlier 1100.00		NIST
Inp	1083.00		NIST
Inp	1080.90		NIST
Inp	1084.20		NIST
Inp	1084.20		NIST
Inp	1079.80		NIST
Inp	1075.00		NIST
Inp	1075.00		NIST
Inp	1081.00		NIST
Inp	1080.90		NIST
Ip	[1440.00; 1440.50]
Ip	1440.50		NIST
Ip	1440.00		NIST
Tboil	465.78	K	Relay (1.0) Calculated Property
Tc	675.88	K	Relay (1.0) Calculated Property
Tfus	[208.83; 209.15]	K
Tfus	209.15	K	Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Tfus	208.83 ± 0.40	K	NIST
Vc	0.460	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Pressure Dependent Properties

Property	Value	Unit	Pressure (kPa)	Source
Tboilr	[346.70; 352.70]	K	[1.30; 1.60]
Tboilr	346.70	K	1.30	NIST
Tboilr	352.70	K	1.60	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[155.66; 382.12]	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			-1.45000e+01
Coefficient B			7.35940e-01
Coefficient C			-4.40220e-04
Coefficient D			1.00900e-07
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	155.66	J/mol×K	273.00	Calculated Property
Cp,gas	195.23	J/mol×K	353.78	Calculated Property
Cp,gas	230.46	J/mol×K	434.56	Calculated Property
Cp,gas	261.65	J/mol×K	515.33	Calculated Property
Cp,gas	289.14	J/mol×K	596.11	Calculated Property
Cp,gas	313.24	J/mol×K	676.89	Calculated Property
Cp,gas	334.27	J/mol×K	757.67	Calculated Property
Cp,gas	352.55	J/mol×K	838.44	Calculated Property
Cp,gas	368.39	J/mol×K	919.22	Calculated Property
Cp,gas	382.12	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0038559; 0.0001962]	Pa×s	[208.99; 471.61]	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			-1.09066e+01
Coefficient B			1.11778e+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.			208.99
Temperature range, max.			471.61
η	0.0038559	Pa×s	208.99	Calculated Property
η	0.0020024	Pa×s	238.17	Calculated Property
η	0.0011997	Pa×s	267.35	Calculated Property
η	0.0007951	Pa×s	296.53	Calculated Property
η	0.0005672	Pa×s	325.71	Calculated Property
η	0.0004278	Pa×s	354.89	Calculated Property
η	0.0003367	Pa×s	384.07	Calculated Property
η	0.0002742	Pa×s	413.25	Calculated Property
η	0.0002294	Pa×s	442.43	Calculated Property
η	0.0001962	Pa×s	471.61	Calculated Property

Similar Compounds

Find more compounds similar to 2,4-Dimethylstyrene.

Sources

• Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Joback Method
• KDB
• McGowan Method
• NIST Webbook

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
Outlier This icon means that the value is more than 2 standard deviations away from the property mean.
Calculated This icon marks a calculated value or equation: a prediction, not a measurement.
Compiled This icon marks a compiled value or equation: taken from a data compilation such as ChemSep, not from an original measurement report.
These property values are available through the Cheméo API. A free account gives you an access key.