Chemical Properties of 2,3-Dimethylstyrene (CAS 40243-75-2)

InChI

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

InChI Key

HLOUDBQOEJSUPI-UHFFFAOYSA-N

Formula

C10H12

SMILES

C=Cc1cccc(C)c1C

Molecular Weight¹

132.20

CAS

40243-75-2

Other Names

• 1,2-Dimethyl-3-Vinylbenzene

• 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).
• 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_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°	214.31	kJ/mol	Joback Calculated Property
ΔfH°gas	89.29	kJ/mol	Joback Calculated Property
ΔfusH°	13.64	kJ/mol	Joback Calculated Property
ΔvapH°	40.78	kJ/mol	Joback Calculated Property
log10WS	-3.25		Crippen 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	[1097.10; 1100.30]
Inp	1100.30		NIST
Inp	1097.10		NIST
Inp	1100.00		NIST
I	[1485.00; 1485.10]
I	1485.10		NIST
I	1485.10		NIST
I	1485.00		NIST
Tboil	461.52	K	Joback Calculated Property
Tc	673.43	K	Joback Calculated Property
Tfus	252.16	K	Joback Calculated Property
Vc	0.469	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[241.30; 312.28]	J/mol×K	[461.52; 673.43]
Cp,gas	241.30	J/mol×K	461.52	Joback Calculated Property
Cp,gas	254.85	J/mol×K	496.84	Joback Calculated Property
Cp,gas	267.67	J/mol×K	532.16	Joback Calculated Property
Cp,gas	279.80	J/mol×K	567.47	Joback Calculated Property
Cp,gas	291.26	J/mol×K	602.79	Joback Calculated Property
Cp,gas	302.08	J/mol×K	638.11	Joback Calculated Property
Cp,gas	312.28	J/mol×K	673.43	Joback Calculated Property
η	[0.0002066; 0.0015433]	Pa×s	[252.16; 461.52]
η	0.0015433	Pa×s	252.16	Joback Calculated Property
η	0.0009004	Pa×s	287.05	Joback Calculated Property
η	0.0005904	Pa×s	321.95	Joback Calculated Property
η	0.0004204	Pa×s	356.84	Joback Calculated Property
η	0.0003181	Pa×s	391.73	Joback Calculated Property
η	0.0002519	Pa×s	426.63	Joback Calculated Property
η	0.0002066	Pa×s	461.52	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.65]	kPa	[343.46; 491.65]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.45622e+01
Coefficient B			-3.89523e+03
Coefficient C			-7.05780e+01
Temperature range, min.			343.46
Temperature range, max.			491.65
Pvap	1.33	kPa	343.46	Calculated Property
Pvap	3.00	kPa	359.93	Calculated Property
Pvap	6.20	kPa	376.39	Calculated Property
Pvap	11.89	kPa	392.86	Calculated Property
Pvap	21.40	kPa	409.32	Calculated Property
Pvap	36.46	kPa	425.79	Calculated Property
Pvap	59.27	kPa	442.25	Calculated Property
Pvap	92.45	kPa	458.72	Calculated Property
Pvap	139.08	kPa	475.18	Calculated Property
Pvap	202.65	kPa	491.65	Calculated Property

Similar Compounds

Find more compounds similar to 2,3-Dimethylstyrene.

Sources

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

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