Chemical Properties of Piperazine, 1,4-dimethyl- (CAS 106-58-1)

InChI

InChI=1S/C6H14N2/c1-7-3-5-8(2)6-4-7/h3-6H2,1-2H3

InChI Key

RXYPXQSKLGGKOL-UHFFFAOYSA-N

Formula

C6H14N2

SMILES

CN1CCN(C)CC1

Molecular Weight¹

114.19

CAS

106-58-1

Other Names

• 1,4-dimethylpiperazine
• Lupetazine
• N,N'-Dimethyipiperazine
• N,N'-dimethylpiperazine
• Texacat DMP
• piperazine, N,N'-dimethyl-

• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• 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_vap : Vapor pressure (kPa).
• T_boil : Normal Boiling Point Temperature (K).
• T_boilr : Boiling point at reduced pressure (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔvapH°	[41.20; 43.80]	kJ/mol
ΔvapH°	41.20 ± 0.40	kJ/mol	NIST
ΔvapH°	43.80 ± 0.30	kJ/mol	NIST
IE	8.77	eV	NIST
log10WS	1.08		Relay (1.0) Calculated Property
logPoct/wat	-0.136		Crippen Calculated Property
McVol	104.500	ml/mol	McGowan Calculated Property
Tboil	[403.65; 404.15]	K
Tboil	404.15 ± 0.30	K	NIST
Tboil	403.65 ± 1.50	K	NIST
Tc	606.00	K	Critical temperatures and pressures of caprolactam, dimethyl sulfoxide, 1,4-dimethylpiperazine, and 2,6-dimethylpiperazine
Tfus	272.15 ± 0.20	K	NIST

Cheméo can also estimate Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Acentric Factor 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	[216.50; 235.90]	J/mol×K	[298.15; 353.15]
Cp,liquid	216.50	J/mol×K	298.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	221.70	J/mol×K	303.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	222.10	J/mol×K	308.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	223.40	J/mol×K	313.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	224.60	J/mol×K	318.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	225.30	J/mol×K	323.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	225.70	J/mol×K	328.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	227.50	J/mol×K	333.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	228.50	J/mol×K	338.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	229.60	J/mol×K	343.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	231.70	J/mol×K	348.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
Cp,liquid	235.90	J/mol×K	353.15	Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
ΔvapH	[41.20; 44.30]	kJ/mol	[289.50; 298.15]
ΔvapH	44.30 ± 0.30	kJ/mol	289.50	NIST
ΔvapH	41.60	kJ/mol	297.50	NIST
ΔvapH	41.20	kJ/mol	298.15	Vapour pressure and enthalpy of vaporization of aliphatic poly-amines
Pvap	[0.42; 4.75]	kPa	[276.29; 319.53]
Pvap	0.42	kPa	276.29	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	0.58	kPa	281.23	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	0.79	kPa	286.01	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	1.13	kPa	292.03	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	1.23	kPa	293.52	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	1.60	kPa	298.16	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	1.79	kPa	300.21	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	2.02	kPa	302.54	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	2.18	kPa	303.82	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	2.24	kPa	304.32	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	2.70	kPa	308.08	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	3.06	kPa	310.37	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	3.60	kPa	313.79	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
Pvap	4.75	kPa	319.53	Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols

Pressure Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.14; 202.67]	kPa	[272.56; 427.94]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.55296e+01
Coefficient B			-3.82598e+03
Coefficient C			-5.35040e+01
Temperature range, min.			272.56
Temperature range, max.			427.94
Pvap	0.14	kPa	272.56	Calculated Property
Pvap	0.52	kPa	289.82	Calculated Property
Pvap	1.56	kPa	307.09	Calculated Property
Pvap	4.07	kPa	324.35	Calculated Property
Pvap	9.49	kPa	341.62	Calculated Property
Pvap	20.10	kPa	358.88	Calculated Property
Pvap	39.30	kPa	376.15	Calculated Property
Pvap	71.78	kPa	393.41	Calculated Property
Pvap	123.68	kPa	410.68	Calculated Property
Pvap	202.67	kPa	427.94	Calculated Property

Similar Compounds

Find more compounds similar to Piperazine, 1,4-dimethyl-.

Mixtures

• Piperazine, 1,4-dimethyl- + 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
• Critical temperatures and pressures of caprolactam, dimethyl sulfoxide, 1,4-dimethylpiperazine, and 2,6-dimethylpiperazine
• Vapour pressure and enthalpy of vaporization of aliphatic poly-amines
• Molar excess enthalpy (Hm E) for systems of aqueous piperazine derivatives
• Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
• Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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