Chemical Properties of Morpholine, 4-methyl- (CAS 109-02-4)

InChI

InChI=1S/C5H11NO/c1-6-2-4-7-5-3-6/h2-5H2,1H3

InChI Key

SJRJJKPEHAURKC-UHFFFAOYSA-N

Formula

C5H11NO

SMILES

CN1CCOCC1

Molecular Weight¹

101.15

CAS

109-02-4

Other Names

• 1,4-oxazine, tetrahytdro-, N-methyl-
• 1-Methylmorpholine
• 4-Methyl-1-oxa-4-azacyclohexane
• 4-Methylmorfolin
• 4-Methylmorpholine
• Morpholine, N-methyl-
• N-Methylmorpholine
• NMM
• NSC 9382
• Texacat NMM
• UN 2535
• p-Methyl morpholine

• ω : Acentric Factor.
• 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_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_vap : Vapor pressure (kPa).
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• γ : Surface Tension (N/m).
• 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).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.3094		Relay (... Calculated Property
ΔfG°	40.12	kJ/mol	Relay (... Calculated Property ⚠️
ΔfH°gas	-138.38	kJ/mol	Relay (... Calculated Property
ΔvapH°	[38.20; 39.80]	kJ/mol
ΔvapH°	39.50	kJ/mol	NIST
ΔvapH°	39.80	kJ/mol	NIST
ΔvapH°	38.20 ± 1.10	kJ/mol	NIST
ΔvapH°	39.60 ± 0.30	kJ/mol	NIST
ΔvapH°	39.40 ± 0.10	kJ/mol	NIST
IE	8.68	eV	Relay (... Calculated Property
log10WS	1.00		Aq. Sol...
logPoct/wat	-0.052		Crippen Calculated Property
McVol	86.300	ml/mol	McGowan Calculated Property
Pc	4390.56	kPa	Relay (... Calculated Property ⚠️
Inp	[787.00; 788.00]
Inp	788.00		NIST
Inp	787.00		NIST
Inp	787.00		NIST
I	1080.00		NIST
Tboil	388.45	K	NIST
Tc	585.64	K	Relay (... Calculated Property
Tfus	207.25	K	NIST
Vc	0.302	m3/kmol	Relay (... Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
η	[0.0004980; 0.0010280]	Pa×s	[293.15; 343.15]
η	0.0010280	Pa×s	293.15	Densiti...
η	0.0008810	Pa×s	298.15	Densiti...
η	0.0008640	Pa×s	303.15	Densiti...
η	0.0009590	Pa×s	303.15	Densiti...
η	0.0008330	Pa×s	313.15	Densiti...
η	0.0008580	Pa×s	313.15	Densiti...
η	0.0008140	Pa×s	323.15	Densiti...
η	0.0007540	Pa×s	323.15	Densiti...
η	0.0006260	Pa×s	333.15	Densiti...
η	0.0004980	Pa×s	343.15	Densiti...
ΔvapH	[33.60; 40.20]	kJ/mol	[289.00; 343.00]
ΔvapH	40.20 ± 0.30	kJ/mol	289.00	NIST
ΔvapH	38.90	kJ/mol	313.00	NIST
ΔvapH	40.00	kJ/mol	333.00	NIST
ΔvapH	33.60	kJ/mol	343.00	NIST
ΔvapH	38.40	kJ/mol	343.00	NIST
Pvap	[0.69; 332.76]	kPa	[273.18; 353.08]
Pvap	0.69	kPa	273.18	Isother...
Pvap	6.90	kPa	273.18	Experim...
Pvap	0.83	kPa	276.28	Vapor P...
Pvap	0.95	kPa	278.18	Isother...
Pvap	1.11	kPa	280.80	Vapor P...
Pvap	12.93	kPa	283.12	Experim...
Pvap	12.94	kPa	283.12	Experim...
Pvap	1.30	kPa	283.18	Isother...
Pvap	1.56	kPa	286.43	Vapor P...
Pvap	1.75	kPa	288.18	Isother...
Pvap	1.91	kPa	290.03	Vapor P...
Pvap	1.93	kPa	290.13	Vapor P...
Pvap	1.93	kPa	290.15	Vapor P...
Pvap	1.94	kPa	290.20	Vapor P...
Pvap	2.02	kPa	290.90	Vapor P...
Pvap	2.05	kPa	291.20	Vapor P...
Pvap	23.06	kPa	293.06	Experim...
Pvap	2.32	kPa	293.18	Isother...
Pvap	2.74	kPa	296.45	Vapor P...
Pvap	3.05	kPa	298.18	Isother...
Pvap	3.02	kPa	298.26	Vapor P...
Pvap	3.12	kPa	298.83	Vapor P...
Pvap	3.12	kPa	298.91	Vapor P...
Pvap	3.69	kPa	302.04	Vapor P...
Pvap	39.34	kPa	303.04	Experim...
Pvap	3.96	kPa	303.18	Isother...
Pvap	4.83	kPa	307.40	Vapor P...
Pvap	5.09	kPa	308.18	Isother...
Pvap	6.20	kPa	312.46	Vapor P...
Pvap	6.18	kPa	312.48	Vapor P...
Pvap	64.46	kPa	313.05	Experim...
Pvap	6.48	kPa	313.18	Isother...
Pvap	8.17	kPa	318.18	Isother...
Pvap	8.21	kPa	318.64	Vapor P...
Pvap	8.26	kPa	318.64	Vapor P...
Pvap	101.73	kPa	323.08	Experim...
Pvap	10.22	kPa	323.18	Isother...
Pvap	12.68	kPa	328.18	Isother...
Pvap	155.32	kPa	333.07	Experim...
Pvap	15.60	kPa	333.18	Isother...
Pvap	19.06	kPa	338.18	Isother...
Pvap	230.31	kPa	343.08	Experim...
Pvap	23.13	kPa	343.18	Isother...
Pvap	27.88	kPa	348.18	Isother...
Pvap	332.76	kPa	353.08	Experim...
Pvap	33.27	kPa	353.08	Isother...
ρl	[914.06; 914.15]	kg/m3	[298.15; 298.15]
ρl	914.15	kg/m3	298.15	Determi...
ρl	914.06	kg/m3	298.15	Densiti...
γ	[0.03; 0.03]	N/m	[298.15; 328.15]
γ	0.03	N/m	298.15	Surface...
γ	0.03	N/m	308.15	Surface...
γ	0.03	N/m	318.15	Surface...
γ	0.03	N/m	328.15	Surface...

Pressure Dependent Properties

Similar Compounds

Find more compounds similar to Morpholine, 4-methyl-.

Mixtures

• Benzene + Morpholine, 4-methyl-
• Toluene + Morpholine, 4-methyl-
• Morpholine, 4-methyl- + Cyclohexane
• Morpholine, 4-methyl- + Water
• Morpholine, 4-methyl- + Methyl Alcohol
• Ethanol + Morpholine, 4-methyl-
• 1-Propanol + Morpholine, 4-methyl-
• 1-Butanol + Morpholine, 4-methyl-
• Morpholine, 4-methyl- + 1-Pentanol
• Morpholine, 4-methyl- + 1-Hexanol
• Morpholine, 4-methyl- + 1-Octanol

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
• Experimental vapor pressures of 1,2-bis(dimethylamino)ethane, 1-methylmorpholine, 1,2-bis(2-aminoethoxy)ethane and N-benzylethanolamine between 273.18 and 364.97K
• Densities, viscosities, and excess properties of (N-methylmorpholine + cyclohexane, + benzene, and + toluene) at T = (298.15, 303.15, 313.15, 323.15) K
• Vapor Pressure and Its Temperature Dependence of 28 Organic Compounds: Cyclic Amines, Cyclic Ethers, and Cyclic and Open Chain Secondary Alcohols
• Surface Thermodynamics of Aqueous Solutions of Morpholine and Methylmorpholine
• Determination of Infinite Dilution Partial Molar Excess Enthalpies and Volumes for Some Ionic Liquid Precursors in Water and Methanol Using Tandem Flow Mixing Calorimetry and Vibrating-Tube Densimetry
• Densities and Excess Molar Volumes of N-Methylmorpholine + 1-Alkanol Systems at 298.15 K
• Densities and Viscosities of Aqueous Solutions of N-Methylmorpholine from (293.15 to 343.15) K
• Isothermal Vapor-Liquid Equilibria of (Monoethanolamine + Water) and (4-Methylmorpholine + Water) Binary Systems at Several Temperatures
• Aqueous Solubility Prediction Method
• McGowan Method
• NIST Webbook

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