Chemical Properties of 1,2-Dimethyl cyclopropene (CAS 14309-32-1)

InChI

InChI=1S/C5H8/c1-4-3-5(4)2/h3H2,1-2H3

InChI Key

QWKHRBFLFYXNDY-UHFFFAOYSA-N

Formula

C5H8

SMILES

CC1=C(C)C1

Molecular Weight¹

68.12

CAS

14309-32-1

Other Names

• Cyclopropene, 1,2-dimethyl-

• 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).
• 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°	70.38	kJ/mol	Joback Calculated Property
ΔfH°gas	-18.55	kJ/mol	Joback Calculated Property
ΔfusH°	6.21	kJ/mol	Joback Calculated Property
ΔvapH°	28.56	kJ/mol	Joback Calculated Property
log10WS	-1.66		Crippen Calculated Property
logPoct/wat	1.727		Crippen Calculated Property
McVol	66.150	ml/mol	McGowan Calculated Property
Pc	4277.45	kPa	Joback Calculated Property
Inp	[539.00; 539.00]
Inp	539.00		NIST
Inp	539.00		NIST
Tboil	312.00 ± 1.00	K	NIST
Tc	519.15	K	Joback Calculated Property
Tfus	194.09	K	Joback Calculated Property
Vc	0.260	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[102.16; 144.98]	J/mol×K	[334.33; 519.15]
Cp,gas	102.16	J/mol×K	334.33	Joback Calculated Property
Cp,gas	110.33	J/mol×K	365.13	Joback Calculated Property
Cp,gas	118.06	J/mol×K	395.94	Joback Calculated Property
Cp,gas	125.37	J/mol×K	426.74	Joback Calculated Property
Cp,gas	132.28	J/mol×K	457.54	Joback Calculated Property
Cp,gas	138.81	J/mol×K	488.34	Joback Calculated Property
Cp,gas	144.98	J/mol×K	519.15	Joback Calculated Property
η	[0.0002137; 0.0004219]	Pa×s	[194.09; 334.33]
η	0.0004219	Pa×s	194.09	Joback Calculated Property
η	0.0003544	Pa×s	217.46	Joback Calculated Property
η	0.0003079	Pa×s	240.84	Joback Calculated Property
η	0.0002743	Pa×s	264.21	Joback Calculated Property
η	0.0002490	Pa×s	287.58	Joback Calculated Property
η	0.0002293	Pa×s	310.96	Joback Calculated Property
η	0.0002137	Pa×s	334.33	Joback Calculated Property

Similar Compounds

Find more compounds similar to 1,2-Dimethyl cyclopropene.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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