Chemical Properties of Cyclopentanamine (CAS 1003-03-8)

InChI

InChI=1S/C5H11N/c6-5-3-1-2-4-5/h5H,1-4,6H2

InChI Key

NISGSNTVMOOSJQ-UHFFFAOYSA-N

Formula

C5H11N

SMILES

NC1CCCC1

Molecular Weight¹

85.15

CAS

1003-03-8

Other Names

• Amino cyclopentane
• aminocyclopentane
• cyclopentylamine

• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• 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_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_vap : Vapor pressure (kPa).
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔcH°liquid	-3444.50 ± 0.79	kJ/mol	NIST
ΔfH°gas	-54.86 ± 0.92	kJ/mol	NIST
ΔfH°liquid	-95.14 ± 0.84	kJ/mol	NIST
ΔfusH°	7.84	kJ/mol	Joback Calculated Property
ΔvapH°	[40.20; 40.30]	kJ/mol
ΔvapH°	40.20 ± 0.42	kJ/mol	NIST
ΔvapH°	40.30	kJ/mol	NIST
ΔvapH°	40.20 ± 0.40	kJ/mol	NIST
IE	8.58	eV	Relay (1.0) Calculated Property
logPoct/wat	0.888		Crippen Calculated Property
McVol	80.430	ml/mol	McGowan Calculated Property
S°liquid	241.04	J/mol×K	NIST
Tboil	[381.00; 381.62]	K
Tboil	381.20	K	NIST
Tboil	381.62 ± 0.20	K	NIST
Tboil	381.00 ± 6.00	K	NIST
Tc	589.12	K	Relay (1.0) Calculated Property
Tfus	[187.45; 187.45]	K
Tfus	187.45 ± 0.30	K	NIST
Tfus	187.45 ± 0.50	K	NIST
Ttriple	[190.45; 190.45]	K
Ttriple	190.45 ± 0.02	K	NIST
Ttriple	190.45 ± 0.02	K	NIST

Cheméo can also estimate Critical Pressure, Critical Volume, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	181.21	J/mol×K	298.00	NIST
ΔfusH	[0.48; 8.31]	kJ/mol	[184.50; 190.40]
ΔfusH	0.48	kJ/mol	184.50	NIST
ΔfusH	8.31	kJ/mol	190.40	NIST
ΔfusH	8.31	kJ/mol	190.40	NIST
ΔvapH	38.30	kJ/mol	368.00	NIST
ΔfusS	[2.58; 43.65]	J/mol×K	[184.50; 190.40]
ΔfusS	2.58	J/mol×K	184.50	NIST
ΔfusS	43.65	J/mol×K	190.40	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[98.70; 296.55]	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			-5.56500e+01
Coefficient B			6.72400e-01
Coefficient C			-4.19000e-04
Coefficient D			9.88000e-08
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	98.70	J/mol×K	273.00	Calculated Property
Cp,gas	134.16	J/mol×K	353.78	Calculated Property
Cp,gas	165.53	J/mol×K	434.56	Calculated Property
Cp,gas	193.11	J/mol×K	515.33	Calculated Property
Cp,gas	217.21	J/mol×K	596.11	Calculated Property
Cp,gas	238.15	J/mol×K	676.89	Calculated Property
Cp,gas	256.25	J/mol×K	757.67	Calculated Property
Cp,gas	271.80	J/mol×K	838.44	Calculated Property
Cp,gas	285.13	J/mol×K	919.22	Calculated Property
Cp,gas	296.55	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.63]	kPa	[283.09; 405.36]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.46343e+01
Coefficient B			-3.25532e+03
Coefficient C			-5.61860e+01
Temperature range, min.			283.09
Temperature range, max.			405.36
Pvap	1.33	kPa	283.09	Calculated Property
Pvap	3.00	kPa	296.68	Calculated Property
Pvap	6.18	kPa	310.26	Calculated Property
Pvap	11.85	kPa	323.85	Calculated Property
Pvap	21.32	kPa	337.43	Calculated Property
Pvap	36.34	kPa	351.02	Calculated Property
Pvap	59.11	kPa	364.60	Calculated Property
Pvap	92.27	kPa	378.19	Calculated Property
Pvap	138.93	kPa	391.77	Calculated Property
Pvap	202.63	kPa	405.36	Calculated Property

Similar Compounds

Find more compounds similar to Cyclopentanamine.

Mixtures

• Cyclopentanamine + Heptane

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• Thermodynamic study of heptane + amine mixtures. V. Excess and solvation Gibbs energies
• Thermodynamic study of (heptane + amine) mixtures. III: Excess and partial molar volumes in mixtures with secondary, tertiary, and cyclic amines at 298.15 K
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
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