Chemical Properties of Cyclopropane, 1,1-dimethyl- (CAS 1630-94-0)

InChI

InChI=1S/C5H10/c1-5(2)3-4-5/h3-4H2,1-2H3

InChI Key

PBIJFSCPEFQXBB-UHFFFAOYSA-N

Formula

C5H10

SMILES

CC1(C)CC1

Molecular Weight¹

70.13

CAS

1630-94-0

Other Names

• 1,1-Dimethylcyclopropane
• GEM-DIMETHYLCYCLOROPANE
• Gem-Dimethylcyclopropane

• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• 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_fH°_liquid : Liquid phase 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).
• 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
ΔcH°liquid	-3363.40 ± 0.71	kJ/mol	NIST
ΔfG°	46.48	kJ/mol	Joback Calculated Property
ΔfH°gas	-8.20 ± 1.20	kJ/mol	NIST
ΔfH°liquid	-33.30 ± 0.79	kJ/mol	NIST
ΔfusH°	0.54	kJ/mol	Joback Calculated Property
ΔvapH°	[25.00; 25.10]	kJ/mol
ΔvapH°	25.00 ± 0.80	kJ/mol	NIST
ΔvapH°	25.10	kJ/mol	NIST
ΔvapH°	25.10 ± 0.80	kJ/mol	NIST
IE	[8.98; 9.80]	eV
IE	8.98 ± 0.05	eV	NIST
IE	9.10	eV	NIST
IE	9.08	eV	NIST
IE	9.76 ± 0.02	eV	NIST
IE	9.80	eV	NIST
log10WS	-1.57		Crippen Calculated Property
logPoct/wat	1.806		Crippen Calculated Property
McVol	70.450	ml/mol	McGowan Calculated Property
Pc	4311.22	kPa	Joback Calculated Property
Inp	[458.80; 460.00]
Inp	459.00		NIST
Inp	458.80		NIST
Inp	459.00		NIST
Inp	460.00		NIST
Inp	460.00		NIST
Inp	460.00		NIST
Tboil	320.78	K	Joback Calculated Property
Tc	507.71	K	Joback Calculated Property
Tfus	187.95	K	Joback Calculated Property
Vc	0.271	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[105.46; 166.32]	J/mol×K	[320.78; 507.71]
Cp,gas	105.46	J/mol×K	320.78	Joback Calculated Property
Cp,gas	117.91	J/mol×K	351.93	Joback Calculated Property
Cp,gas	129.33	J/mol×K	383.09	Joback Calculated Property
Cp,gas	139.80	J/mol×K	414.24	Joback Calculated Property
Cp,gas	149.40	J/mol×K	445.40	Joback Calculated Property
Cp,gas	158.22	J/mol×K	476.55	Joback Calculated Property
Cp,gas	166.32	J/mol×K	507.71	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.64]	kPa	[215.02; 315.03]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.42059e+01
Coefficient B			-2.46430e+03
Coefficient C			-3.79700e+01
Temperature range, min.			215.02
Temperature range, max.			315.03
Pvap	1.33	kPa	215.02	Calculated Property
Pvap	3.03	kPa	226.13	Calculated Property
Pvap	6.29	kPa	237.24	Calculated Property
Pvap	12.09	kPa	248.36	Calculated Property
Pvap	21.77	kPa	259.47	Calculated Property
Pvap	37.03	kPa	270.58	Calculated Property
Pvap	60.03	kPa	281.69	Calculated Property
Pvap	93.29	kPa	292.81	Calculated Property
Pvap	139.74	kPa	303.92	Calculated Property
Pvap	202.64	kPa	315.03	Calculated Property

Similar Compounds

Find more compounds similar to Cyclopropane, 1,1-dimethyl-.

Sources

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

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