Chemical Properties of 2-Pentene, 3,4-dimethyl- (CAS 24910-63-2)

InChI

InChI=1S/C7H14/c1-5-7(4)6(2)3/h5-6H,1-4H3

InChI Key

PPBWEVVDSRKEIK-UHFFFAOYSA-N

Formula

C7H14

SMILES

CC=C(C)C(C)C

Molecular Weight¹

98.19

CAS

24910-63-2

Other Names

• 3,4-Dimethyl-2-pentene
• 3,4-dimethylpent-2-ene

• 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_np : Non-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°	77.29	kJ/mol	Joback Calculated Property
ΔfH°gas	-85.66	kJ/mol	Joback Calculated Property
ΔfusH°	9.25	kJ/mol	Joback Calculated Property
ΔvapH°	30.83	kJ/mol	Joback Calculated Property
log10WS	-2.36		Crippen Calculated Property
logPoct/wat	2.609		Crippen Calculated Property
McVol	105.190	ml/mol	McGowan Calculated Property
Pc	3002.44	kPa	Joback Calculated Property
Inp	[138.80; 719.00]
Inp	670.00		NIST
Inp	671.00		NIST
Inp	672.00		NIST
Inp	673.00		NIST
Inp	670.00		NIST
Inp	719.00		NIST
Inp	Outlier 138.80		NIST
Tboil	[359.45; 360.15]	K
Tboil	359.45 ± 0.50	K	NIST
Tboil	360.15 ± 3.00	K	NIST
Tboil	359.45 ± 2.00	K	NIST
Tc	543.24	K	Joback Calculated Property
Tfus	134.61	K	Joback Calculated Property
Vc	0.403	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[180.18; 246.01]	J/mol×K	[363.16; 543.24]
Cp,gas	180.18	J/mol×K	363.16	Joback Calculated Property
Cp,gas	192.45	J/mol×K	393.17	Joback Calculated Property
Cp,gas	204.18	J/mol×K	423.19	Joback Calculated Property
Cp,gas	215.38	J/mol×K	453.20	Joback Calculated Property
Cp,gas	226.07	J/mol×K	483.22	Joback Calculated Property
Cp,gas	236.27	J/mol×K	513.23	Joback Calculated Property
Cp,gas	246.01	J/mol×K	543.24	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.64]	kPa	[266.14; 382.09]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.50466e+01
Coefficient B			-3.31617e+03
Coefficient C			-4.14520e+01
Temperature range, min.			266.14
Temperature range, max.			382.09
Pvap	1.33	kPa	266.14	Calculated Property
Pvap	2.97	kPa	279.02	Calculated Property
Pvap	6.09	kPa	291.91	Calculated Property
Pvap	11.63	kPa	304.79	Calculated Property
Pvap	20.93	kPa	317.67	Calculated Property
Pvap	35.73	kPa	330.56	Calculated Property
Pvap	58.29	kPa	343.44	Calculated Property
Pvap	91.36	kPa	356.32	Calculated Property
Pvap	138.21	kPa	369.21	Calculated Property
Pvap	202.64	kPa	382.09	Calculated Property

Similar Compounds

Find more compounds similar to 2-Pentene, 3,4-dimethyl-.

Sources

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

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.