Chemical Properties of 1-Piperazineethanamine (CAS 140-31-8)

InChI

InChI=1S/C6H15N3/c7-1-4-9-5-2-8-3-6-9/h8H,1-7H2

InChI Key

IMUDHTPIFIBORV-UHFFFAOYSA-N

Formula

C6H15N3

SMILES

NCCN1CCNCC1

Molecular Weight¹

129.20

CAS

140-31-8

Other Names

• 1-(2-Aminoethyl)piperazine
• 1-Aminoethylpiperazine
• 1-Piperazineethylamine
• 2-Piperazinylethylamine
• 2-piperazin-1-ylethylamine
• AEP
• Aminoethylpiperazine
• N-(.beta.-aminoethyl)piperazine)
• N-(2-aminoethyl)piperazine
• N-(Aminoethyl)piperazine
• N-(«beta»-Aminoethyl)piperazine
• NSC 38968
• Piperazine, 1-(2-aminoethyl)-
• UN 2815
• USAF DO-46
• piperazine, N-(2-aminoethyl)-

• ω : Acentric Factor.
• C_p,liquid : Liquid phase 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_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (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.
• I : 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	0.5004		Relay (1.0) Calculated Property
ΔfG°	210.22	kJ/mol	Relay (1.0-beta) Calculated Property
ΔfH°gas	-5.99	kJ/mol	Relay (1.0) Calculated Property
ΔvapH°	68.70 ± 0.30	kJ/mol	NIST
IE	8.93	eV	Relay (1.0) Calculated Property
log10WS	1.14		Relay (1.0) Calculated Property
logPoct/wat	-1.150		Crippen Calculated Property
McVol	114.480	ml/mol	McGowan Calculated Property
Pc	3635.49	kPa	Relay (1.0-beta) Calculated Property
Inp	[1150.00; 1198.00]
Inp	1150.00		NIST
Inp	1186.00		NIST
Inp	1198.00		NIST
I	[1795.00; 1865.00]
I	1795.00		NIST
I	1806.00		NIST
I	1842.00		NIST
I	1813.00		NIST
I	1827.00		NIST
I	1865.00		NIST
Tboil	[483.15; 495.15]	K
Tboil	493.20	K	NIST
Tboil	483.15 ± 2.00	K	NIST
Tboil	495.15	K	NIST
Tc	717.39	K	Relay (1.0) Calculated Property
Tfus	[255.55; 255.60]	K
Tfus	255.55	K	NIST
Tfus	255.60 ± 0.60	K	NIST
Vc	0.388	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[284.00; 304.60]	J/mol×K	[303.20; 353.20]
Cp,liquid	289.70	J/mol×K	303.20	Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
Cp,liquid	290.80	J/mol×K	308.20	Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
Cp,liquid	293.10	J/mol×K	313.20	Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
Cp,liquid	294.70	J/mol×K	318.20	Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
Cp,liquid	296.90	J/mol×K	323.20	Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
Cp,liquid	298.50	J/mol×K	328.20	Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
Cp,liquid	284.00	J/mol×K	333.00	NIST
Cp,liquid	300.70	J/mol×K	333.20	Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
Cp,liquid	302.20	J/mol×K	338.20	Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
Cp,liquid	303.30	J/mol×K	343.20	Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
Cp,liquid	303.60	J/mol×K	348.20	Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
Cp,liquid	304.60	J/mol×K	353.20	Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
ΔvapH	68.70	kJ/mol	298.15	Vapour pressure and enthalpy of vaporization of aliphatic poly-amines

Similar Compounds

Find more compounds similar to 1-Piperazineethanamine.

Mixtures

• 1-Piperazineethanamine + Water
• Piperazine + 1-Piperazineethanamine + Water
• Nitrous oxide + 1-Piperazineethanamine + Water

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
• Vapour pressure and enthalpy of vaporization of aliphatic poly-amines
• Heat capacities of aqueous binary and ternary mixtures (with piperazine) of N-(2-aminoethyl)-piperazine and N,N,N'-trimethylethylenediamine at temperatures (303.2-353.2) K
• Physicochemical Properties of Aqueous Solutions of 2-(1-Piperazinyl)-ethylamine
• McGowan Method
• NIST Webbook

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