Chemical Properties of 1-Piperazineethanol (CAS 103-76-4)

InChI

InChI=1S/C6H14N2O/c9-6-5-8-3-1-7-2-4-8/h7,9H,1-6H2

InChI Key

WFCSWCVEJLETKA-UHFFFAOYSA-N

Formula

C6H14N2O

SMILES

OCCN1CCNCC1

Molecular Weight¹

130.19

CAS

103-76-4

Other Names

• (2-Hydroxyethyl)piperazine
• 1-(2-Hydroxyethyl)piperazine
• 1-(«beta»-Hydroxyethyl)piperazine
• 1-Hydroxy-2-(piperazin-1-yl)ethane
• 1-Piperazinethanol
• 2-(1-Piperazinyl)ethanol
• 2-Piperazinoethanol
• 2-piperazin-1-ylethanol
• 4-(2-Hydroxyethyl)piperazine
• Ethanol, 2-(1-piperazinyl)-
• Hydroxyethylpiperazine
• N-(2-hydroxyethyl)piperazine
• N-(Hydroxyethyl)piperazine
• N-(«beta»-Hydroxyethyl)piperazine
• NSC 26884
• USAF DO-22
• piperazine, N-(2-hydroxyethyl)-

• ω : Acentric Factor.
• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• 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_fH°_liquid : Liquid phase 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).
• 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	0.6337		Relay (1.0) Calculated Property
ΔcH°liquid	-4134.30 ± 1.10	kJ/mol	NIST
ΔfG°	41.89	kJ/mol	Relay (1.0-beta) Calculated Property
ΔfH°gas	-192.65	kJ/mol	Relay (1.0) Calculated Property
ΔfH°liquid	-227.60 ± 1.10	kJ/mol	NIST
ΔvapH°	78.80 ± 0.70	kJ/mol	NIST
IE	9.17	eV	Relay (1.0) Calculated Property
log10WS	1.60		Relay (1.0) Calculated Property
logPoct/wat	-1.116		Crippen Calculated Property
McVol	110.370	ml/mol	McGowan Calculated Property
Pc	3914.68	kPa	Relay (1.0-beta) Calculated Property
Tboil	[519.20; 519.55]	K
Tboil	519.20	K	NIST
Tboil	519.55	K	NIST
Tc	753.53	K	Relay (1.0) Calculated Property
Tfus	318.69	K	Relay (1.0) Calculated Property
Vc	0.378	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[285.00; 319.00]	J/mol×K	[298.15; 353.15]
Cp,liquid	285.00	J/mol×K	298.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	289.90	J/mol×K	303.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	292.90	J/mol×K	308.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	296.00	J/mol×K	313.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	298.90	J/mol×K	318.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	301.70	J/mol×K	323.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	305.00	J/mol×K	328.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	308.10	J/mol×K	333.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	311.00	J/mol×K	338.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	313.90	J/mol×K	343.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	316.50	J/mol×K	348.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	319.00	J/mol×K	353.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
ΔvapH	77.30 ± 0.70	kJ/mol	325.50	NIST

Similar Compounds

Find more compounds similar to 1-Piperazineethanol.

Mixtures

• 1-Piperazineethanol + 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
• Molar excess enthalpy (Hm E) for systems of aqueous piperazine derivatives
• Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
• McGowan Method
• NIST Webbook

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