Chemical Properties of Piperazine (CAS 110-85-0)

InChI

InChI=1S/C4H10N2/c1-2-6-4-3-5-1/h5-6H,1-4H2

InChI Key

GLUUGHFHXGJENI-UHFFFAOYSA-N

Formula

C4H10N2

SMILES

C1CNCCN1

Molecular Weight¹

86.14

CAS

110-85-0

Other Names

• 1,4-Diazacyclohexane
• 1,4-Diethylenediamine
• 1,4-Piperazine
• Antiren
• Asca-Trol No. 3
• Diethylenediamine
• Diethyleneimine
• Dispermine
• Eraverm
• Hexahydro-1,4-diazine
• Hexahydropyrazine
• Lumbrical
• NSC 474
• Piperazidine
• Piperazin
• Piperazine, anhydrous
• Pipersol
• Pyrazine hexahydride
• Pyrazine, hexahydro-
• UN 2579
• Upixon
• Uvilon
• Vermex
• Worm-A-Ton
• Wurmirazin

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_solid : Standard solid 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).
• μ : Dipole Moment (debye).
• 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_fH°_solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_subH° : Enthalpy of sublimation 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).
• P_sub : Sublimation pressure (kPa).
• P_triple : Triple Point Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_c : Critical density (kg/m³).
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• I_p : Polar retention indices.
• γ : Surface Tension (N/m).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• λ_gas : Gas thermal conductivity (W/m×K).
• λ_liquid : Liquid thermal conductivity (W/m×K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• U_Qi : UNIQUAC Qi Parameter.
• U_Ri : UNIQUAC Ri Parameter.
• V_c : Critical Volume (m³/kmol).
• Z_c : Critical Compressibility.
• Z_ra : Rackett Parameter.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	[0.2697; 0.3127]
ω	0.3127		PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
ω	0.2697		ChemSep v8.3 pure component data Compiled value
PAff	943.70	kJ/mol	NIST
BasG	914.70	kJ/mol	NIST
ΔcH°solid	[-2961.40; -2957.60]	kJ/mol
ΔcH°solid	-2961.40 ± 1.10	kJ/mol	NIST
ΔcH°solid	-2957.60 ± 1.60	kJ/mol	NIST
μ	1.47	debye	ChemSep v8.3 pure component data Compiled value
ΔfG°	170.00	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfH°gas	[21.20; 25.00]	kJ/mol
ΔfH°gas	22.60	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfH°gas	25.00 ± 6.30	kJ/mol	NIST
ΔfH°gas	21.20	kJ/mol	NIST
ΔfH°solid	[-45.60; -41.80]	kJ/mol
ΔfH°solid	-41.80 ± 1.10	kJ/mol	NIST
ΔfH°solid	-45.60 ± 1.60	kJ/mol	NIST
ΔfusH°	16.06	kJ/mol	Joback Calculated Property
ΔsubH°	[66.80; 67.00]	kJ/mol
ΔsubH°	67.00 ± 6.30	kJ/mol	NIST
ΔsubH°	66.80	kJ/mol	NIST
ΔvapH°	61.47	kJ/mol	Relay (1.0) Calculated Property
IE	[8.72; 8.98]	eV
IE	8.98	eV	NIST
IE	8.72	eV	NIST
log10WS	1.07		Aq. Solubility Prediction
logPoct/wat	-0.821		Crippen Calculated Property
McVol	76.320	ml/mol	McGowan Calculated Property
Pc	[5420.00; 5800.00]	kPa
Pc	5420.00	kPa	Critical Point and Vapor Pressure Measurements for Four Compounds by a Low Residence Time Flow Method
Pc	5600.00	kPa	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 9 Compiled value
Pc	5800.00	kPa	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Pc	5420.00	kPa	ChemSep v8.3 pure component data Compiled value
Pc	5800.00 ± 200.00	kPa	NIST
Ptriple	26.37	kPa	ChemSep v8.3 pure component data Compiled value
ρc	321.97 ± 24.98	kg/m3	NIST
Inp	[813.00; 870.00]
Inp	813.00		NIST
Inp	852.00		NIST
Inp	870.00		NIST
Inp	840.00		NIST
Inp	813.00		NIST
Inp	852.00		NIST
Ip	[1386.00; 1440.00]
Ip	1386.00		NIST
Ip	1390.00		NIST
Ip	1415.00		NIST
Ip	1405.00		NIST
Ip	1410.00		NIST
Ip	1440.00		NIST
Ip	1391.00		NIST
Ip	1386.00		NIST
Ip	1440.00		NIST
Tboil	[415.15; 419.20]	K
Tboil	419.15	K	ChemSep v8.3 pure component data Compiled value
Tboil	419.20	K	NIST
Tboil	418.15 ± 2.00	K	NIST
Tboil	415.15 ± 1.50	K	NIST
Tc	[656.30; 661.00]	K
Tc	659.00	K	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 9 Compiled value
Tc	661.00	K	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tc	656.30	K	ChemSep v8.3 pure component data Compiled value
Tc	661.00 ± 2.00	K	NIST
Tfus	[379.15; 384.55]	K
Tfus	379.15	K	Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Tfus	379.15	K	ChemSep v8.3 pure component data Compiled value
Tfus	380.48	K	Aq. Solubility Prediction
Tfus	383.20 ± 0.60	K	NIST
Tfus	383.46 ± 0.30	K	NIST
Tfus	384.55 ± 0.20	K	NIST
Ttriple	[379.15; 384.60]	K
Ttriple	379.15	K	ChemSep v8.3 pure component data Compiled value
Ttriple	384.60 ± 0.30	K	NIST
UQi	2.95		ChemSep v8.3 pure component data Compiled value
URi	3.76		ChemSep v8.3 pure component data Compiled value
Vc	[0.267; 0.269]	m3/kmol
Vc	0.269	m3/kmol	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 9 Compiled value
Vc	0.267	m3/kmol	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Vc	0.267	m3/kmol	ChemSep v8.3 pure component data Compiled value
Zc	[0.2652000; 0.2840000]
Zc	0.2840000		IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 9 Compiled value
Zc	0.2652000		ChemSep v8.3 pure component data Compiled value
Zra	0.27		ChemSep v8.3 pure component data Compiled value

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[216.30; 237.00]	J/mol×K	[393.20; 413.20]
Cp,liquid	216.30	J/mol×K	393.20	Liquid heat capacity of the solvent system (piperazine + n-methyldiethanolamine + water)
Cp,liquid	218.70	J/mol×K	398.20	Liquid heat capacity of the solvent system (piperazine + n-methyldiethanolamine + water)
Cp,liquid	220.50	J/mol×K	403.20	Liquid heat capacity of the solvent system (piperazine + n-methyldiethanolamine + water)
Cp,liquid	222.80	J/mol×K	408.20	Liquid heat capacity of the solvent system (piperazine + n-methyldiethanolamine + water)
Cp,liquid	237.00	J/mol×K	413.00	NIST
Cp,liquid	225.00	J/mol×K	413.20	Liquid heat capacity of the solvent system (piperazine + n-methyldiethanolamine + water)
Psub	[6.50e-03; 0.37]	kPa	[279.48; 321.12]
Psub	6.50e-03	kPa	279.48	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Psub	0.01	kPa	286.78	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Psub	0.01	kPa	286.85	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Psub	0.03	kPa	292.58	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Psub	0.05	kPa	299.16	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Psub	0.08	kPa	304.27	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Psub	0.12	kPa	308.37	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Psub	0.20	kPa	313.57	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Psub	0.30	kPa	318.25	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Psub	0.31	kPa	318.69	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Psub	0.37	kPa	321.12	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[110.32; 299.79]	J/mol×K	[273.00; 1500.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,gas in J/mol×K, T in K
Coefficient A			6.84630e+01
Coefficient B			-7.44160e+02
Coefficient C			6.64824e+00
Coefficient D			-7.36980e-04
Coefficient E			1.76520e-07
Temperature range, min.			273.00
Temperature range, max.			1500.00
Cp,gas	110.32	J/mol×K	273.00	Calculated Property
Cp,gas	163.87	J/mol×K	409.33	Calculated Property
Cp,gas	207.52	J/mol×K	545.67	Calculated Property
Cp,gas	238.60	J/mol×K	682.00	Calculated Property
Cp,gas	259.79	J/mol×K	818.33	Calculated Property
Cp,gas	274.09	J/mol×K	954.67	Calculated Property
Cp,gas	283.80	J/mol×K	1091.00	Calculated Property
Cp,gas	290.60	J/mol×K	1227.33	Calculated Property
Cp,gas	295.66	J/mol×K	1363.67	Calculated Property
Cp,gas	299.79	J/mol×K	1500.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[167.76; 333.98]	J/mol×K	[300.00; 638.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,liquid in J/mol×K, T in K
Coefficient A			3.28863e+01
Coefficient B			3.46619e-01
Coefficient C			4.73406e-04
Coefficient D			-4.34168e-07
Coefficient E			0.00000e+00
Temperature range, min.			300.00
Temperature range, max.			638.00
Cp,liquid	167.76	J/mol×K	300.00	Calculated Property
Cp,liquid	187.13	J/mol×K	337.56	Calculated Property
Cp,liquid	206.60	J/mol×K	375.11	Calculated Property
Cp,liquid	226.03	J/mol×K	412.67	Calculated Property
Cp,liquid	245.28	J/mol×K	450.22	Calculated Property
Cp,liquid	264.21	J/mol×K	487.78	Calculated Property
Cp,liquid	282.68	J/mol×K	525.33	Calculated Property
Cp,liquid	300.56	J/mol×K	562.89	Calculated Property
Cp,liquid	317.70	J/mol×K	600.44	Calculated Property
Cp,liquid	333.98	J/mol×K	638.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0003072; 0.0000872]	Pa×s	[379.15; 556.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			2.43410e+01
Coefficient B			1.05420e+02
Coefficient C			-5.65370e+00
Coefficient D			6.01090e-06
Coefficient E			2.00000e+00
Temperature range, min.			379.15
Temperature range, max.			556.00
η	0.0003072	Pa×s	379.15	Calculated Property
η	0.0002496	Pa×s	398.80	Calculated Property
η	0.0002069	Pa×s	418.45	Calculated Property
η	0.0001746	Pa×s	438.10	Calculated Property
η	0.0001499	Pa×s	457.75	Calculated Property
η	0.0001307	Pa×s	477.40	Calculated Property
η	0.0001158	Pa×s	497.05	Calculated Property
η	0.0001040	Pa×s	516.70	Calculated Property
η	0.0000946	Pa×s	536.35	Calculated Property
η	0.0000872	Pa×s	556.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[45.38; 14.75]	kJ/mol	[379.15; 638.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is ΔvapH in kJ/mol, T in K
Coefficient A			6.69450e+01
Coefficient B			9.96020e-01
Coefficient C			-2.00690e+00
Coefficient D			2.40180e+00
Coefficient E			-9.71290e-01
Critical temperature, Tc (K)			6.56300e+02
Temperature range, min.			379.15
Temperature range, max.			638.00
ΔvapH	45.38	kJ/mol	379.15	Calculated Property
ΔvapH	43.52	kJ/mol	407.91	Calculated Property
ΔvapH	41.45	kJ/mol	436.67	Calculated Property
ΔvapH	39.15	kJ/mol	465.43	Calculated Property
ΔvapH	36.59	kJ/mol	494.19	Calculated Property
ΔvapH	33.71	kJ/mol	522.96	Calculated Property
ΔvapH	30.43	kJ/mol	551.72	Calculated Property
ΔvapH	26.59	kJ/mol	580.48	Calculated Property
ΔvapH	21.80	kJ/mol	609.24	Calculated Property
ΔvapH	14.75	kJ/mol	638.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.66]	kPa	[316.52; 444.19]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.49629e+01
Coefficient B			-3.59933e+03
Coefficient C			-7.12570e+01
Temperature range, min.			316.52
Temperature range, max.			444.19
Pvap	1.33	kPa	316.52	Calculated Property
Pvap	2.97	kPa	330.71	Calculated Property
Pvap	6.11	kPa	344.89	Calculated Property
Pvap	11.67	kPa	359.08	Calculated Property
Pvap	21.01	kPa	373.26	Calculated Property
Pvap	35.86	kPa	387.45	Calculated Property
Pvap	58.46	kPa	401.63	Calculated Property
Pvap	91.54	kPa	415.82	Calculated Property
Pvap	138.36	kPa	430.00	Calculated Property
Pvap	202.66	kPa	444.19	Calculated Property
Pvap	[25.56; 5536.97]	kPa	[379.15; 638.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is Pvap in kPa, T in K
Coefficient A			1.36362e+02
Coefficient B			-1.12450e+04
Coefficient C			-1.76570e+01
Coefficient D			9.62360e-06
Coefficient E			2.00000e+00
Temperature range, min.			379.15
Temperature range, max.			638.00
Pvap	25.56	kPa	379.15	Calculated Property
Pvap	70.75	kPa	407.91	Calculated Property
Pvap	164.94	kPa	436.67	Calculated Property
Pvap	337.08	kPa	465.43	Calculated Property
Pvap	622.21	kPa	494.19	Calculated Property
Pvap	1061.48	kPa	522.96	Calculated Property
Pvap	1703.59	kPa	551.72	Calculated Property
Pvap	2608.32	kPa	580.48	Calculated Property
Pvap	3852.20	kPa	609.24	Calculated Property
Pvap	5536.97	kPa	638.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ρl	[898.85; 375.32]	kg/m3	[379.15; 638.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A / B^(1 + (1 − T/C)^D) Y is ρl in kg/m3, T in K
Coefficient A			1.21227e+02
Coefficient B			3.23000e-01
Coefficient C			6.38000e+02
Coefficient D			2.85710e-01
Temperature range, min.			379.15
Temperature range, max.			638.00
ρl	898.85	kg/m3	379.15	Calculated Property
ρl	873.24	kg/m3	407.91	Calculated Property
ρl	846.07	kg/m3	436.67	Calculated Property
ρl	816.95	kg/m3	465.43	Calculated Property
ρl	785.33	kg/m3	494.19	Calculated Property
ρl	750.32	kg/m3	522.96	Calculated Property
ρl	710.41	kg/m3	551.72	Calculated Property
ρl	662.51	kg/m3	580.48	Calculated Property
ρl	598.21	kg/m3	609.24	Calculated Property
ρl	375.32	kg/m3	638.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
γ	[0.03; 0.00]	N/m	[273.00; 656.30]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is γ in N/m, T in K
Coefficient A			5.33278e-02
Coefficient B			1.23200e+00
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Critical temperature, Tc (K)			6.56300e+02
Temperature range, min.			273.00
Temperature range, max.			656.30
γ	0.03	N/m	273.00	Calculated Property
γ	0.02	N/m	315.59	Calculated Property
γ	0.02	N/m	358.18	Calculated Property
γ	0.02	N/m	400.77	Calculated Property
γ	0.01	N/m	443.36	Calculated Property
γ	0.01	N/m	485.94	Calculated Property
γ	0.01	N/m	528.53	Calculated Property
γ	0.00	N/m	571.12	Calculated Property
γ	0.00	N/m	613.71	Calculated Property
γ	0.00	N/m	656.30	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λgas	[0.01; 0.09]	W/m×K	[274.00; 1000.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A·T^B / (1 + C/T + D/T²) Y is λgas in W/m×K, T in K
Coefficient A			1.48660e-03
Coefficient B			6.31900e-01
Coefficient C			-1.15510e+01
Coefficient D			3.45800e+05
Temperature range, min.			274.00
Temperature range, max.			1000.00
λgas	0.01	W/m×K	274.00	Calculated Property
λgas	0.02	W/m×K	354.67	Calculated Property
λgas	0.02	W/m×K	435.33	Calculated Property
λgas	0.03	W/m×K	516.00	Calculated Property
λgas	0.04	W/m×K	596.67	Calculated Property
λgas	0.05	W/m×K	677.33	Calculated Property
λgas	0.06	W/m×K	758.00	Calculated Property
λgas	0.07	W/m×K	838.67	Calculated Property
λgas	0.08	W/m×K	919.33	Calculated Property
λgas	0.09	W/m×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λliquid	[0.12; 0.11]	W/m×K	[379.15; 419.15]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is λliquid in W/m×K, T in K
Coefficient A			2.92110e-02
Coefficient B			-3.34850e+02
Coefficient C			8.60340e-01
Coefficient D			-7.33430e-03
Coefficient E			2.93170e-06
Temperature range, min.			379.15
Temperature range, max.			419.15
λliquid	0.12	W/m×K	379.15	Calculated Property
λliquid	0.12	W/m×K	383.59	Calculated Property
λliquid	0.12	W/m×K	388.04	Calculated Property
λliquid	0.12	W/m×K	392.48	Calculated Property
λliquid	0.12	W/m×K	396.93	Calculated Property
λliquid	0.12	W/m×K	401.37	Calculated Property
λliquid	0.11	W/m×K	405.82	Calculated Property
λliquid	0.11	W/m×K	410.26	Calculated Property
λliquid	0.11	W/m×K	414.71	Calculated Property
λliquid	0.11	W/m×K	419.15	Calculated Property

Similar Compounds

Find more compounds similar to Piperazine.

Mixtures

• Piperazine + Water + 1-Propanol, 2-amino-2-methyl-
• Piperazine + 1-Propanol, 2-amino-2-methyl-
• Piperazine + 2-Amino-2-ethyl-1,3-propanediol + Water
• Piperazine + 2-(DIETHYLAMINO)ETHANOL + Water
• Piperazine + Carbon dioxide + Water
• Piperazine + 1-Piperazineethanamine + Water
• 1,2-Ethanediamine, N,N,N'-trimethyl- + Piperazine + Water
• Piperazine + Methyldiethanolamine + Water
• Piperazine + Water
• Piperazine + Methyldiethanolamine
• Piperazine + 2-Propanol, 1-(dimethylamino)- + Water
• Piperazine + 1,2-Ethanediamine, N-(2-aminoethyl)- + Water
• Piperazine + N-Methyl-1,3-propanediamine + Water
• 1,3-Propanediamine + Piperazine + Water
• Piperazine + 1,4-Butanediamine + Water
• Piperazine + Ammonia + Water
• Piperazine + Tromethamine + Water
• Piperazine + 2-(2-Hydroxyethyl)piperidine + Water
• Nitrous oxide + Piperazine + Water
• Piperazine + Hydrogen sulfide + Water

Find more mixtures with Piperazine.

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).
• IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 9 ChEDL chemicals 1.5.2, from Marsh, K. N.; Young, C. L.; Morton, D. W.; Ambrose, D.; Tsonopoulos, C. Vapor-Liquid Critical Properties of Elements and Compounds. 9. Organic Compounds Containing Nitrogen. J. Chem. Eng. Data 2006, 51, 305-314.
• PSRK revision IV (2005), critical constants and acentric factors of 1000 components ChEDL chemicals 1.5.2, from Horstmann, S.; Jabłoniec, A.; Krafczyk, J.; Fischer, K.; Gmehling, J. PSRK Group Contribution Equation of State: Comprehensive Revision and Extension IV, Including Critical Constants and α-Function Parameters for 1000 Components. Fluid Phase Equilib. 2005, 227, 157-164.
• Cheméo Relay (1.0)
• ChemSep v8.3 pure component data Converted from ChemSep v8.3 pure component data, H. Kooijman and R. Taylor (2021, 2022), Artistic License 2.0; see how the values differ.
• Crippen Method
• Solubility of Carbon Dioxide in Aqueous Piperazine Solutions
• Experimental Solubility and Thermodynamic Modeling of Carbon Dioxide in Aqueous Alkanolamine Solutions in the High Gas Loading Region
• High pressure solubility of carbon dioxide (CO2) in aqueous piperazine solutions
• Vapour liquid equilibria of carbon dioxide in dilute and concentrated aqueous solutions of piperazine at low to high pressure
• Vapor-liquid equilibria of NH3 in (NH3 + H2O) and (NH3 + PZ + H2O) system
• Experiments and theory for the surface tensions of carbonated MDEA - PZ aqueous solutions
• Molar heat capacities of aqueous 2-amino-2-ethyl-1,3-propanediol solutions and their ternary mixtures containing piperazine or lithium salts
• Effect of piperazine on solubility of carbon dioxide using aqueous diethanolamnie
• Experimental measurements and modelling of carbon dioxide solubility in aqueous AMP/MDEA and Piperazine/MDEA blends
• Liquid heat capacity of the solvent system (piperazine + n-methyldiethanolamine + water)
• Liquid heat capacity of the solvent system (piperazine + 2-amino-2-methyl-lpropanol + water)
• Experiments and model for the viscosity of carbonated 2-amino-2-methyl-1-propanol and piperazine aqueous solution
• Experiment and modeling solubility of CO2 in aqueous solutions of Diisopropanolamine + 2-amino-2-methyl-1-propanol + Piperazine at high pressures
• Absorption capacity and viscosity for CO2 capture process using high concentrated PZ-DEAE aqueous solution
• 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
• Experiments and model for the surface tension of DEAE-PZ and DEAE-MEA aqueous solutions
• Surface thermodynamics of DMA2P, DMA2P-MEA and DMA2P-PZ aqueous solutions
• Molar heat capacities of diethylenetriamine and 3-(methylamino)propylamine, their aqueous binaries, and aqueous ternaries with piperazine
• Molar heat capacity of aqueous solutions of 1,3-diaminopropane and 1,4-diaminobutane and their piperazine blends
• Carbon dioxide loading capacity in aqueous solution of Potassium salt of Proline blended with Piperazine as new absorbents
• Absorption of Carbon Dioxide into Aqueous Piperazine: Reaction Kinetics, Mass Transfer and Solubility
• Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
• Vapor Liquid Equilibrium and Physicochemical Properties of Novel Aqueous Blends of (2-Diethylaminoethanol + Piperazine) for CO2 Appropriation
• Density and Viscosity of Partially Carbonated Aqueous Solutions Containing a Tertiary Alkanolamine and Piperazine at Temperatures between 298.15 and 353.15 K
• Physicochemical Properties of the System N,N-Dimethyl-dipropylene-diamino-triacetonediamine (EvA34), Water, and Carbon Dioxide for Reactive Absorption
• Solid Solubility in the Aqueous 2-Amino-2-methyl-propanol (AMP) Plus Piperazine (PZ) System
• Viscosity Measurement and Correlation of Unloaded and CO2-Loaded Aqueous Solutions of N-Methyldiethanolamine-Piperazine
• CO2 Heat of Absorption in Aqueous Solutions of MDEA and MDEA/Piperazine
• Solubility of N2O in and Density, Viscosity, and Surface Tension of Aqueous Piperazine Solutions
• Density and Viscosity of Aqueous Solutions of Piperazine and (2-Amino-2-methyl-1-propanol + Piperazine) from 298 to 333 K
• Solubility of Carbon Dioxide in Aqueous Solutions of Piperazine in the Low Gas Loading Region
• Density and Viscosity of Aqueous Solutions of (N-Methyldiethanolamine + Piperazine) and (2-Amino-2-methyl-1-propanol + Piperazine) from (288 to 333) K
• Critical Point and Vapor Pressure Measurements for Four Compounds by a Low Residence Time Flow Method
• Density and Viscosity of Aqueous Solutions of (2-Piperidineethanol + Piperazine) from (288 to 333) K and Surface Tension of Aqueous Solutions of (N-Methyldiethanolamine + Piperazine), (2-Amino-2-methyl-1-propanol + Piperazine), and (2-Piperidineethanol + Piperazine) from (293 to 323) K
• Density, Viscosity, and Surface Tension of Aqueous Solutions of Potassium Glycinate + Piperazine in the Range of (288.15 to 323.15) K
• CO2 Absorption in Aqueous Piperazine Solutions: Experimental Study and Modeling
• Density and Viscosity of Aqueous (Piperazine + Carbon Dioxide) Solutions
• CO2 Absorption Rate into Concentrated Aqueous Monoethanolamine and Piperazine
• Physical Properties of Aqueous Solutions of Piperazine and (2-Amino-2-methyl-1-propanol + Piperazine) from (298.15 to 333.15) K
• Densities, Viscosities, and Surface Tensions of Aqueous Mixtures of Sulfolane + Triethanolamine and Sulfolane + Diisopropanolamine
• Physical Properties of Piperazine (PZ) Activated Aqueous Solutions of 2- Amino-2-hydroxymethyl-1, 3-propanediol (AHPD + PZ)
• Aqueous Solubility of Piperazine and 2-Amino-2-methyl-1-propanol plus Their Mixtures Using an Improved Freezing-Point Depression Method
• Solubility of N2O in and Density and Viscosity of Aqueous Solutions of Piperazine, Ammonia, and Their Mixtures from (283.15 to 323.15) K
• Physical Properties of a Complex Solution of (Potassium Citrate + Piperazine) as a CO2 Capture Agent
• Density, Viscosity, and Surface Tension of Aqueous Solution of 1,4-Bis-(2-hydroxypropyl)-piperazine Sulfate
• Solubilities of CO2 in, and Densities and Viscosities of, the Piperazine + 1-Ethyl-3-methyl-imidazolium Acetate + H2O System
• Diffusion Coefficients of N2O in Aqueous Piperazine Solutions Using the Taylor Dispersion Technique from (293 to 333) K and (0.3 to 1.4) mol *dm-3
• Densities, Viscosities, and Liquid Diffusivities in Aqueous Piperazine and Aqueous (Piperazine + N-Methyldiethanolamine) Solutions
• Thermophysical Properties of Aqueous Piperazine and Aqueous (N-Methyldiethanolamine + Piperazine) Solutions at Temperatures (298.15 to 338.15) K
• Solubility of Carbon Dioxide in Aqueous Solutions of N-Methyldiethanolamine and Piperazine in the High Gas Loading Region
• Solubility of Carbon Dioxide in Aqueous Solutions of N-Methyldiethanolamine and Piperazine in the Low Gas Loading Region
• Solubility of Hydrogen Sulfide in Aqueous Solutions of Piperazine in the Low Gas-Loading Region
• Joback Method
• Aqueous Solubility Prediction Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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