Chemical Properties of 1,2-Dimethylcyclopropane (CAS 2511-95-7)

InChI

InChI=1S/C5H10/c1-4-3-5(4)2/h4-5H,3H2,1-2H3

InChI Key

VKJLDXGFBJBTRQ-UHFFFAOYSA-N

Formula

C5H10

SMILES

CC1CC1C

Molecular Weight¹

70.13

CAS

2511-95-7

Other Names

• Cyclopropane, 1,2-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).
• 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.
• 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
ω	0.2591		Relay (1.0) Calculated Property
ΔfG°	44.26	kJ/mol	Joback Calculated Property
ΔfH°gas	-28.65	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	7.91	kJ/mol	Joback Calculated Property
ΔvapH°	26.81	kJ/mol	Relay (1.0) Calculated Property
IE	9.31	eV	Relay (1.0) Calculated Property
log10WS	-3.59		Relay (1.0) Calculated Property
logPoct/wat	1.662		Crippen Calculated Property
McVol	70.450	ml/mol	McGowan Calculated Property
Pc	3901.37	kPa	Joback Calculated Property
Inp	[481.00; 481.00]
Inp	481.00		NIST
Inp	481.00		NIST
Tboil	307.20	K	Relay (1.0) Calculated Property
Tc	483.98	K	Relay (1.0) Calculated Property
Tfus	127.85	K	Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Vc	0.259	m3/kmol	Relay (1.0) Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[90.37; 263.68]	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			-4.59600e+01
Coefficient B			6.03240e-01
Coefficient C			-4.13000e-04
Coefficient D			1.19400e-07
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	90.37	J/mol×K	273.00	Calculated Property
Cp,gas	121.05	J/mol×K	353.78	Calculated Property
Cp,gas	147.99	J/mol×K	434.56	Calculated Property
Cp,gas	171.57	J/mol×K	515.33	Calculated Property
Cp,gas	192.17	J/mol×K	596.11	Calculated Property
Cp,gas	210.17	J/mol×K	676.89	Calculated Property
Cp,gas	225.94	J/mol×K	757.67	Calculated Property
Cp,gas	239.87	J/mol×K	838.44	Calculated Property
Cp,gas	252.32	J/mol×K	919.22	Calculated Property
Cp,gas	263.68	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0001941; 0.0001779]	Pa×s	[127.85; 345.44]	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			-8.68558e+00
Coefficient B			1.77100e+01
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.			127.85
Temperature range, max.			345.44
η	0.0001941	Pa×s	127.85	Calculated Property
η	0.0001899	Pa×s	152.03	Calculated Property
η	0.0001869	Pa×s	176.20	Calculated Property
η	0.0001846	Pa×s	200.38	Calculated Property
η	0.0001829	Pa×s	224.56	Calculated Property
η	0.0001815	Pa×s	248.73	Calculated Property
η	0.0001803	Pa×s	272.91	Calculated Property
η	0.0001794	Pa×s	297.08	Calculated Property
η	0.0001786	Pa×s	321.26	Calculated Property
η	0.0001779	Pa×s	345.44	Calculated Property

Similar Compounds

Find more compounds similar to 1,2-Dimethylcyclopropane.

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
• McGowan Method
• NIST Webbook

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