Chemical Properties of Acetamide, N-methyl- (CAS 79-16-3)

InChI

InChI=1S/C3H7NO/c1-3(5)4-2/h1-2H3,(H,4,5)

InChI Key

OHLUUHNLEMFGTQ-UHFFFAOYSA-N

Formula

C3H7NO

SMILES

CNC(C)=O

Molecular Weight¹

73.09

CAS

79-16-3

Other Names

• Acetylmethylamine
• CH3CONHCH3
• Monomethylacetamide
• N-Acetyl-N-methylamine
• N-methylacetamide
• N-methylethanamide
• X 44
• methylacetamide

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• σ_cond : Electrical conductivity (S/m).
• 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_fH°_solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_subH° : Enthalpy of sublimation at standard conditions (kJ/mol).
• Δ_subH : Enthalpy of sublimation at a given temperature (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.
• c_sound,fluid : Speed of sound in fluid (m/s).
• 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.

Contents

1. Physical Properties
2. Temperature Dependent Properties
3. Datasets
4. Correlations
5. Similar Compounds
6. Mixtures
7. Sources

Physical Properties

Property	Value	Unit	Source
ω	0.3940		Relay (1.0) Calculated Property
PAff	888.50	kJ/mol	NIST
BasG	857.60	kJ/mol	NIST
ΔcH°liquid	-1867.70 ± 1.30	kJ/mol	NIST
ΔcH°solid	-1862.10 ± 5.10	kJ/mol	NIST
ΔfG°	-65.15	kJ/mol	Joback Calculated Property
ΔfH°gas	-248.00 ± 5.50	kJ/mol	NIST
ΔfH°liquid	-313.20 ± 1.30	kJ/mol	NIST
ΔfH°solid	-318.80 ± 5.10	kJ/mol	NIST
ΔfusH°	10.22	kJ/mol	Joback Calculated Property
ΔsubH°	[69.87; 70.80]	kJ/mol
ΔsubH°	70.80 ± 2.00	kJ/mol	NIST
ΔsubH°	70.80 ± 2.00	kJ/mol	NIST
ΔsubH°	69.87 ± 0.31	kJ/mol	NIST
ΔvapH°	50.19	kJ/mol	Relay (1.0) Calculated Property
IE	[8.90; 9.85]	eV
IE	9.70 ± 0.05	eV	NIST
IE	8.90 ± 0.02	eV	NIST
IE	9.85	eV	NIST
log10WS	0.93		Relay (1.0) Calculated Property
logPoct/wat	-0.248		Crippen Calculated Property
McVol	64.680	ml/mol	McGowan Calculated Property
Pc	4890.21	kPa	Joback Calculated Property
Inp	[825.00; 857.00]
Inp	857.00		NIST
Inp	825.00		NIST
Inp	825.00		NIST
I	[1609.00; 1648.00]
I	1623.00		NIST
I	1623.00		NIST
I	1609.00		NIST
I	1648.00		NIST
I	1623.00		NIST
I	1609.00		NIST
Tboil	[478.07; 479.15]	K
Tboil	478.07	K	Isobaric vapor liquid equilibria for water + acetic acid + (N-methyl pyrrolidone or N-methyl acetamide)
Tboil	479.15	K	Vapor-Liquid Equilibrium Data for N-Methylacetamide and N,N-Dimethylacetamide with Cumene at 97.3 kPa
Tboil	478.20	K	NIST
Tc	707.40	K	DIPPR Project 851 - Thirty Years of Vapor-Liquid Critical Point Measurements and Experimental Technique Development
Tfus	[302.90; 303.67]	K
Tfus	303.43 ± 0.20	K	NIST
Tfus	302.90 ± 1.00	K	NIST
Tfus	303.67 ± 0.15	K	NIST
Vc	0.244	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
η	[0.0026072; 0.0038224]	Pa×s	[303.15; 318.15]
η	0.0038224	Pa×s	303.15	Volumetric and transport properties of binary liquid mixtures of N-methylacetamide with lactones at temperatures (303.15 to 318.15) K
η	0.0038224	Pa×s	303.15	Volumetric and transport properties of binary liquid mixtures of N-methylacetamide with lactones at temperatures (303.15 to 318.15) K
η	0.0033124	Pa×s	308.15	Volumetric and transport properties of binary liquid mixtures of N-methylacetamide with lactones at temperatures (303.15 to 318.15) K
η	0.0029041	Pa×s	313.15	Volumetric and transport properties of binary liquid mixtures of N-methylacetamide with lactones at temperatures (303.15 to 318.15) K
η	0.0026072	Pa×s	318.15	Volumetric and transport properties of binary liquid mixtures of N-methylacetamide with lactones at temperatures (303.15 to 318.15) K
σcond	[0.03; 0.25]	S/m	[303.15; 393.15]
σcond	0.03	S/m	303.15	Static Dielectric Permittivity and Electric Conductivity of N-Methylacetamide + N,N-Dimethylacetamide Mixtures
σcond	0.04	S/m	313.15	Static Dielectric Permittivity and Electric Conductivity of N-Methylacetamide + N,N-Dimethylacetamide Mixtures
σcond	0.06	S/m	323.15	Static Dielectric Permittivity and Electric Conductivity of N-Methylacetamide + N,N-Dimethylacetamide Mixtures
σcond	0.08	S/m	333.15	Static Dielectric Permittivity and Electric Conductivity of N-Methylacetamide + N,N-Dimethylacetamide Mixtures
σcond	0.10	S/m	343.15	Static Dielectric Permittivity and Electric Conductivity of N-Methylacetamide + N,N-Dimethylacetamide Mixtures
σcond	0.13	S/m	353.15	Static Dielectric Permittivity and Electric Conductivity of N-Methylacetamide + N,N-Dimethylacetamide Mixtures
σcond	0.16	S/m	363.15	Static Dielectric Permittivity and Electric Conductivity of N-Methylacetamide + N,N-Dimethylacetamide Mixtures
σcond	0.19	S/m	373.15	Static Dielectric Permittivity and Electric Conductivity of N-Methylacetamide + N,N-Dimethylacetamide Mixtures
σcond	0.22	S/m	383.15	Static Dielectric Permittivity and Electric Conductivity of N-Methylacetamide + N,N-Dimethylacetamide Mixtures
σcond	0.25	S/m	393.15	Static Dielectric Permittivity and Electric Conductivity of N-Methylacetamide + N,N-Dimethylacetamide Mixtures
ΔfusH	[9.73; 10.11]	kJ/mol	[303.70; 303.80]
ΔfusH	10.11	kJ/mol	303.70	NIST
ΔfusH	9.73	kJ/mol	303.80	NIST
ΔfusH	9.73	kJ/mol	303.80	NIST
ΔsubH	54.00	kJ/mol	295.50	NIST
ΔvapH	[53.50; 62.00]	kJ/mol	[388.00; 416.00]
ΔvapH	59.60	kJ/mol	388.00	NIST
ΔvapH	55.50	kJ/mol	388.50	NIST
ΔvapH	62.00	kJ/mol	390.50	NIST
ΔvapH	53.50	kJ/mol	416.00	NIST
ρl	[928.93; 958.40]	kg/m3	[293.15; 328.15]
ρl	956.30	kg/m3	293.15	Interpretation of Association Behavior and Molecular Interactions in Binary Mixtures from Thermoacoustics and Molecular Compression Data
ρl	958.40	kg/m3	293.15	Densities and volumetric properties of (acetonitrile + an amide) binary mixtures at temperatures between 293.15 K and 318.15 K
ρl	951.20	kg/m3	298.15	Interpretation of Association Behavior and Molecular Interactions in Binary Mixtures from Thermoacoustics and Molecular Compression Data
ρl	954.20	kg/m3	298.15	Densities and volumetric properties of (acetonitrile + an amide) binary mixtures at temperatures between 293.15 K and 318.15 K
ρl	950.20	kg/m3	303.15	Interpretation of Association Behavior and Molecular Interactions in Binary Mixtures from Thermoacoustics and Molecular Compression Data
ρl	950.10	kg/m3	303.15	Densities and volumetric properties of (acetonitrile + an amide) binary mixtures at temperatures between 293.15 K and 318.15 K
ρl	946.80	kg/m3	308.15	Interpretation of Association Behavior and Molecular Interactions in Binary Mixtures from Thermoacoustics and Molecular Compression Data
ρl	949.70	kg/m3	308.15	Ultrasonic Studies of Binary Mixtures of Some Aromatic Ketones with N-Methyl-acetamide at 308.15 K
ρl	945.90	kg/m3	308.15	Densities and volumetric properties of (acetonitrile + an amide) binary mixtures at temperatures between 293.15 K and 318.15 K
ρl	945.71	kg/m3	308.15	Density and Viscosity of Magnesium Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Ambient Pressure
ρl	946.01	kg/m3	308.15	Density and Viscosity of Zinc Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
ρl	945.85	kg/m3	308.15	Density and Viscosity of N-Methylacetamide-Calcium Chloride Mixtures over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
ρl	941.63	kg/m3	313.15	Density and Viscosity of N-Methylacetamide-Calcium Chloride Mixtures over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
ρl	941.81	kg/m3	313.15	Density and Viscosity of Zinc Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
ρl	940.50	kg/m3	313.15	Interpretation of Association Behavior and Molecular Interactions in Binary Mixtures from Thermoacoustics and Molecular Compression Data
ρl	941.53	kg/m3	313.15	Density and Viscosity of Magnesium Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Ambient Pressure
ρl	941.70	kg/m3	313.15	Densities and volumetric properties of (acetonitrile + an amide) binary mixtures at temperatures between 293.15 K and 318.15 K
ρl	937.60	kg/m3	318.15	Densities and volumetric properties of (acetonitrile + an amide) binary mixtures at temperatures between 293.15 K and 318.15 K
ρl	937.59	kg/m3	318.15	Density and Viscosity of Zinc Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
ρl	937.44	kg/m3	318.15	Density and Viscosity of N-Methylacetamide-Calcium Chloride Mixtures over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
ρl	937.33	kg/m3	318.15	Density and Viscosity of Magnesium Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Ambient Pressure
ρl	933.36	kg/m3	323.15	Density and Viscosity of Zinc Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
ρl	933.16	kg/m3	323.15	Density and Viscosity of Magnesium Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Ambient Pressure
ρl	933.24	kg/m3	323.15	Density and Viscosity of N-Methylacetamide-Calcium Chloride Mixtures over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
ρl	929.17	kg/m3	328.15	Density and Viscosity of Zinc Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
ρl	929.07	kg/m3	328.15	Density and Viscosity of N-Methylacetamide-Calcium Chloride Mixtures over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
ρl	928.93	kg/m3	328.15	Density and Viscosity of Magnesium Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Ambient Pressure
csound,fluid	[1319.00; 1367.00]	m/s	[303.15; 318.15]
csound,fluid	1367.00	m/s	303.15	Density and Speed of Sound of Binary Mixtures of N-Methylacetamide with Ethyl Acetate, Ethyl Chloroacetate, and Ethyl Cyanoacetate in the Temperature Interval (303.15 to 318.15) K
csound,fluid	1362.00	m/s	308.15	Density and Speed of Sound of Binary Mixtures of N-Methylacetamide with Ethyl Acetate, Ethyl Chloroacetate, and Ethyl Cyanoacetate in the Temperature Interval (303.15 to 318.15) K
csound,fluid	1334.00	m/s	313.15	Density and Speed of Sound of Binary Mixtures of N-Methylacetamide with Ethyl Acetate, Ethyl Chloroacetate, and Ethyl Cyanoacetate in the Temperature Interval (303.15 to 318.15) K
csound,fluid	1319.00	m/s	318.15	Density and Speed of Sound of Binary Mixtures of N-Methylacetamide with Ethyl Acetate, Ethyl Chloroacetate, and Ethyl Cyanoacetate in the Temperature Interval (303.15 to 318.15) K

Datasets

Viscosity, Pa*s

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Viscosity, Pa*s - Liquid
308.15	101.30	0.0033
Reference

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Viscosity, Pa*s - Liquid
308.15	101.00	0.0033
Reference

Fixed		Measured
Pressure, kPa - Liquid	Temperature, K - Liquid	Viscosity, Pa*s - Liquid
101.30	308.15	0.0037
Reference

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[86.23; 200.01]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A			6.31000e+00
Coefficient B			3.37040e-01
Coefficient C			-1.69300e-04
Coefficient D			2.59600e-08
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	86.23	J/mol×K	273.00	Calculated Property
Cp,gas	105.51	J/mol×K	353.78	Calculated Property
Cp,gas	122.93	J/mol×K	434.56	Calculated Property
Cp,gas	138.59	J/mol×K	515.33	Calculated Property
Cp,gas	152.56	J/mol×K	596.11	Calculated Property
Cp,gas	164.93	J/mol×K	676.89	Calculated Property
Cp,gas	175.78	J/mol×K	757.67	Calculated Property
Cp,gas	185.18	J/mol×K	838.44	Calculated Property
Cp,gas	193.23	J/mol×K	919.22	Calculated Property
Cp,gas	200.01	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.67]	kPa	[359.94; 506.89]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.50574e+01
Coefficient B			-4.21034e+03
Coefficient C			-7.48750e+01
Temperature range, min.			359.94
Temperature range, max.			506.89
Pvap	1.33	kPa	359.94	Calculated Property
Pvap	2.97	kPa	376.27	Calculated Property
Pvap	6.08	kPa	392.60	Calculated Property
Pvap	11.63	kPa	408.92	Calculated Property
Pvap	20.92	kPa	425.25	Calculated Property
Pvap	35.72	kPa	441.58	Calculated Property
Pvap	58.28	kPa	457.91	Calculated Property
Pvap	91.35	kPa	474.23	Calculated Property
Pvap	138.21	kPa	490.56	Calculated Property
Pvap	202.67	kPa	506.89	Calculated Property
Pvap	[0.03; 4741.51]	kPa	[301.15; 718.00]	KDB Vapor Pressure Data
Equation			ln(Y) = A + B/T + C·ln(T) + D·T² + E/T² Y is Pvap in kPa, T in K
Coefficient A			5.63193e+01
Coefficient B			-8.67256e+03
Coefficient C			-5.45449e+00
Coefficient D			1.83955e-07
Coefficient E			0.00000e+00
Temperature range, min.			301.15
Temperature range, max.			718.00
Pvap	0.03	kPa	301.15	Calculated Property
Pvap	0.59	kPa	347.47	Calculated Property
Pvap	5.64	kPa	393.78	Calculated Property
Pvap	31.42	kPa	440.10	Calculated Property
Pvap	119.83	kPa	486.42	Calculated Property
Pvap	346.81	kPa	532.73	Calculated Property
Pvap	817.02	kPa	579.05	Calculated Property
Pvap	1644.96	kPa	625.37	Calculated Property
Pvap	2930.96	kPa	671.68	Calculated Property
Pvap	4741.51	kPa	718.00	Calculated Property
Pvap	[6.73e-03; 1.73]	kPa	[313.00; 363.00]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			4.44579e+00
Coefficient B			-3.31835e+02
Coefficient C			-2.77873e+02
Reference			Gopal and Rizvi, 1968
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			313.00
Temperature range, max.			363.00
Pvap	6.73e-03	kPa	313.00	Calculated Property
Pvap	0.02	kPa	318.56	Calculated Property
Pvap	0.07	kPa	324.11	Calculated Property
Pvap	0.14	kPa	329.67	Calculated Property
Pvap	0.26	kPa	335.22	Calculated Property
Pvap	0.44	kPa	340.78	Calculated Property
Pvap	0.67	kPa	346.33	Calculated Property
Pvap	0.96	kPa	351.89	Calculated Property
Pvap	1.32	kPa	357.44	Calculated Property
Pvap	1.73	kPa	363.00	Calculated Property

Similar Compounds

Find more compounds similar to Acetamide, N-methyl-.

Mixtures

• Ethane, 1,2-dichloro- + Acetamide, N-methyl-
• Ethane, 1,1,2-trichloro- + Acetamide, N-methyl-
• Acetamide, N-methyl- + Ethane, 1,1,2,2-tetrachloro-
• Trichloroethylene + Acetamide, N-methyl-
• Tetrachloroethylene + Acetamide, N-methyl-
• Acetic acid + Acetamide, N-methyl-
• Acetic acid + Acetamide, N-methyl- + Water
• Acetonitrile + Acetamide, N-methyl-
• Acetamide, N-methyl- + Water
• Acetamide, N-methyl- + 2H-Pyran-2-one, tetrahydro-
• 2-Oxepanone + Acetamide, N-methyl-
• Acetophenone + Acetamide, N-methyl-
• 1-Propanone, 1-phenyl- + Acetamide, N-methyl-
• Ethanone, 1-(4-methylphenyl)- + Acetamide, N-methyl-
• Acetamide, N-methyl- + Ethanone, 1-(4-chlorophenyl)-
• Benzene + Acetamide, N-methyl-
• Toluene + Acetamide, N-methyl-
• p-Xylene + Acetamide, N-methyl-
• Acetamide, N-methyl- + Mesitylene
• Magnesium chloride + Acetamide, N-methyl-

Find more mixtures with Acetamide, N-methyl-.

Sources

• KDB Vapor Pressure Data
• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Interpretation of Association Behavior and Molecular Interactions in Binary Mixtures from Thermoacoustics and Molecular Compression Data
• Isobaric vapor liquid equilibria for water + acetic acid + (N-methyl pyrrolidone or N-methyl acetamide)
• Density and viscosity of binary liquid systems of N-methylacetamide with aromatic ketones at T = 308.15 K
• Densities and volumetric properties of (acetonitrile + an amide) binary mixtures at temperatures between 293.15 K and 318.15 K
• Apparent molar volumes and apparent molar heat capacities of aqueous N-acetyl-D-glucosamine at temperatures from 278.15 K to 368.15 K and of aqueous N-methylacetamide at temperatures from 278.15 K to 393.15 K at the pressure 0.35 MPa
• Densities and viscosities of binary liquid mixtures of N-methylacetamide with some chloroethanes and chloroethenes at T = 308.15 K
• Volumetric and transport properties of binary liquid mixtures of N-methylacetamide with lactones at temperatures (303.15 to 318.15) K
• Enthalpies of transfer of amino acids from water to aqueous solutions of N-methylacetamide and N,N-dimethylacetamide at T=298.15K
• Thermochemistry of hydrogen bonding of linear and cyclic amides inproton acceptors media
• Density and Viscosity of N-Methylacetamide-Calcium Chloride Mixtures over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
• DIPPR Project 851 - Thirty Years of Vapor-Liquid Critical Point Measurements and Experimental Technique Development
• Density and Viscosity of Zinc Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Atmospheric Pressure
• Density and Viscosity of Magnesium Chloride Solution in N-Methylacetamide over the Temperature Range from 308.15 to 328.15 K at Ambient Pressure
• Densities, Viscosities, and Excess Properties for Binary Mixtures of Some Glycols and Polyglycols in N-Methylacetamide at 308.15 K
• Ultrasonic Studies of Binary Mixtures of Some Aromatic Ketones with N-Methyl-acetamide at 308.15 K
• Density and Speed of Sound of Binary Mixtures of N-Methylacetamide with Ethyl Acetate, Ethyl Chloroacetate, and Ethyl Cyanoacetate in the Temperature Interval (303.15 to 318.15) K
• Solubility of Hydrogen Sulfide in N-Methylacetamide and N,N-Dimethylacetamide: Experimental Measurement and Modeling
• Excess Enthalpies of (N-Methylformamide or N-Methylacetamide) + Aromatic Compounds at 303.15 K
• Vapor-Liquid Equilibrium Data for N-Methylacetamide and N,N-Dimethylacetamide with Cumene at 97.3 kPa
• Temperature Dependence of Air-Water Partitioning of N-Methylated (C1 and C2) Fatty Acid Amides
• Static Dielectric Permittivity and Electric Conductivity of N-Methylacetamide + N,N-Dimethylacetamide Mixtures
• Liquid-Liquid Equilibria for Water + Benzonitrile + N-Methylacetamide, or + N,N-Dimethylacetamide
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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