Chemical Properties of Methylamine (CAS 74-89-5)

Methylamine

InChI
InChI=1S/CH5N/c1-2/h2H2,1H3
InChI Key
BAVYZALUXZFZLV-UHFFFAOYSA-N
Formula
CH5N
SMILES
CN
Molecular Weight1
31.06
CAS
74-89-5
Other Names
  • Aminomethane
  • CH3NH2
  • Carbinamine
  • MMA
  • Mercurialin
  • Methanamine
  • Methylaminen
  • Metilamine
  • Metyloamina
  • Monomethylamine
  • UN 1061
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Physical Properties

Property Value Unit Source
ω [0.2840; 0.2920]   Show Hide
ω 0.2840 ChemSep v8.3 pure component data
ω 0.2920 KDB
PAff 899.00 kJ/mol NIST
Tig [703.15; 703.15] K Show Hide
Tig 703.15 K KDB
Tig 703.15 K NCMS SOLV-DB
BasG 864.50 kJ/mol NIST
ΔcH°liquid [-1094.00; -1060.80] kJ/mol Show Hide
ΔcH°liquid -1060.80 ± 0.40 kJ/mol NIST
ΔcH°liquid -1060.80 ± 0.40 kJ/mol NIST
ΔcH°liquid -1094.00 kJ/mol NIST
ΔcH°liquid -1075.00 kJ/mol NIST
μ [1.30; 1.31] debye Show Hide
μ 1.31 debye ChemSep v8.3 pure component data
μ 1.30 debye KDB
εr 9.40 NCMS SOLV-DB
LFL 4.30 % in Air KDB
UFL 21.00 % in Air KDB
Tflash,cc 273.15 K NCMS SOLV-DB
ΔfG° [32.07; 32.28] kJ/mol Show Hide
ΔfG° 32.07 kJ/mol ChemSep v8.3 pure component data
ΔfG° 32.28 kJ/mol KDB
ΔfH°gas [-23.50; -12.20] kJ/mol Show Hide
ΔfH°gas -22.97 kJ/mol ChemSep v8.3 pure component data
ΔfH°gas -23.03 kJ/mol KDB
ΔfH°gas -23.50 kJ/mol NIST
ΔfH°gas -12.20 kJ/mol NIST
ΔfH°liquid [-47.30; -36.00] kJ/mol Show Hide
ΔfH°liquid -47.30 ± 0.46 kJ/mol NIST
ΔfH°liquid -47.30 ± 0.46 kJ/mol NIST
ΔfH°liquid -36.00 kJ/mol NIST
ΔfusH° 3.54 kJ/mol Joback Calculated Property
ΔvapH° [23.85; 24.23] kJ/mol Show Hide
ΔvapH° 24.23 kJ/mol NCMS SOLV-DB
ΔvapH° 23.85 kJ/mol NIST
IE [8.80; 9.65] eV Show Hide
IE 8.90 ± 0.10 eV NIST
IE 8.90 eV NIST
IE 9.45 eV NIST
IE 8.90 ± 0.10 eV NIST
IE 9.08 eV NIST
IE 8.80 ± 0.02 eV NIST
IE 9.65 eV NIST
IE 9.00 eV NIST
IE 9.58 eV NIST
IE 9.58 eV NIST
IE 9.64 eV NIST
IE 9.64 eV NIST
IE 9.65 eV NIST
logPoct/wat -0.570 NCMS SOLV-DB
McVol 34.930 ml/mol McGowan Calculated Property
NFPA Fire [%!d(float64=4); %!d(float64=4)]   Show Hide
NFPA Fire 4 KDB
NFPA Fire 4 NCMS SOLV-DB
NFPA Health [%!d(float64=3); %!d(float64=3)]   Show Hide
NFPA Health 3 KDB
NFPA Health 3 NCMS SOLV-DB
NFPA Safety 0 NCMS SOLV-DB
Pc [7420.00; 7650.00] kPa Show Hide
Pc 7420.00 kPa ChemSep v8.3 pure component data
Pc 7460.00 kPa Air Liquide Gas Encyclopedia
Pc 7614.00 kPa KDB
Pc 7650.00 ± 100.00 kPa NIST
Pc 7614.00 ± 4.00 kPa NIST
Pc 7457.52 ± 60.79 kPa NIST
Ptriple 0.18 kPa ChemSep v8.3 pure component data
Inp [305.00; 380.00]   Show Hide
Inp 305.00 NIST
Inp 380.00 NIST
Inp 328.00 NIST
S°liquid 150.20 J/mol×K NIST
Tboil [266.65; 267.05] K Show Hide
Tboil 266.82 K ChemSep v8.3 pure component data
Tboil 266.82 K Air Liquide Gas Encyclopedia
Tboil 266.83 K KDB
Tboil 266.85 K NCMS SOLV-DB
Tboil 266.80 K NIST
Tboil 266.65 ± 0.50 K NIST
Tboil 266.65 ± 1.00 K NIST
Tboil 266.65 ± 1.00 K NIST
Tboil 266.95 ± 0.20 K NIST
Tboil Outlier 267.05 ± 0.20 K NIST
Tboil 266.70 ± 0.30 K NIST
Tboil 266.65 ± 1.00 K NIST
Tc [430.00; 430.85] K Show Hide
Tc 430.00 K ChemSep v8.3 pure component data
Tc 430.05 K Air Liquide Gas Encyclopedia
Tc 430.70 K KDB
Tc 430.85 ± 0.50 K NIST
Tc 430.70 ± 0.20 K NIST
Tc 430.05 ± 0.70 K NIST
Tfus [179.65; 180.05] K Show Hide
Tfus 179.69 K ChemSep v8.3 pure component data
Tfus 179.71 K KDB
Tfus 179.65 K NCMS SOLV-DB
Tfus 180.05 ± 0.40 K NIST
Tfus 180.05 ± 0.30 K NIST
Tfus 179.70 ± 0.07 K NIST
Ttriple [179.69; 179.70] K Show Hide
Ttriple 179.69 K ChemSep v8.3 pure component data
Ttriple 179.70 ± 0.07 K NIST
Ttriple 179.70 ± 0.07 K NIST
UQi 1.54 ChemSep v8.3 pure component data
URi 1.60 ChemSep v8.3 pure component data
Vc [0.125; 0.154] m3/kmol Show Hide
Vc 0.125 m3/kmol ChemSep v8.3 pure component data
Vc 0.154 m3/kmol KDB
Vc 0.139 ± 0.001 m3/kmol NIST
Zc [0.2590000; 0.3284960]   Show Hide
Zc 0.2590000 ChemSep v8.3 pure component data
Zc 0.3284960 KDB

Cheméo can also estimate Log10 of Water solubility in mol/l for this compound, but it falls outside the models' validated range, so it is not shown here. Open the prediction tool to compute it on demand.

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,liquid 101.80 J/mol×K 259.28 NIST
η 0.0002360 Pa×s 298.15 NCMS SOLV-DB
ΔfusH [6.13; 6.13] kJ/mol [179.70; 179.70] Show Hide
ΔfusH 6.13 kJ/mol 179.70 NIST
ΔfusH 6.13 kJ/mol 179.70 NIST
ΔvapH [23.50; 27.40] kJ/mol [228.50; 401.50] Show Hide
ΔvapH 27.40 kJ/mol 228.50 NIST
ΔvapH 27.20 kJ/mol 248.00 NIST
ΔvapH 25.98 kJ/mol 266.80 KDB
ΔvapH 25.60 kJ/mol 266.80 NIST
ΔvapH 25.78 kJ/mol 266.82 Air Liquide Gas Encyclopedia
ΔvapH 25.81 kJ/mol 266.84 NIST
ΔvapH 25.81 ± 0.13 kJ/mol 266.84 NIST
ΔvapH 25.81 ± 0.13 kJ/mol 266.84 NIST
ΔvapH 26.10 kJ/mol 296.00 NIST
ΔvapH 24.80 kJ/mol 350.00 NIST
ΔvapH 23.50 kJ/mol 401.50 NIST
Pvap 353.30 kPa 298.15 NCMS SOLV-DB
n0 1.34900 298.15 NCMS SOLV-DB
ρg [1.31; 1.49] kg/m3 [266.82; 288.15] Show Hide
ρg 1.49 kg/m3 266.82 Air Liquide Gas Encyclopedia
ρg 1.31 kg/m3 288.15 Air Liquide Gas Encyclopedia
ρl [694.00; 703.00] kg/m3 [260.00; 266.82] Show Hide
ρl 703.00 kg/m3 260.00 KDB
ρl 694.00 kg/m3 266.82 Air Liquide Gas Encyclopedia
ΔfusS 34.13 J/mol×K 179.70 NIST
γ [0.02; 0.02] N/m [293.20; 298.15] Show Hide
γ 0.02 N/m 293.20 KDB
γ 0.02 N/m 298.15 NCMS SOLV-DB
ΔvapS 96.73 J/mol×K 266.84 NIST

Correlations

Property Value Unit Temperature (K) Source
Cp,gas [41.13; 124.50] J/mol×K [150.00; 1500.00] ChemSep v8.3 pure component data Show Hide
EquationY = A + exp(B/T + C + D·T + E·T²)
Y is Cp,gas in J/mol×K, T in K
Coefficient A4.05400e+01
Coefficient B-9.02150e+02
Coefficient C5.58724e+00
Coefficient D-7.27610e-04
Coefficient E2.38200e-07
CommentChemSep eq 16, IdealGasHeatCapacityCp
Temperature range, min.150.00
Temperature range, max.1500.00
Cp,gas 41.13 J/mol×K 150.00 Calculated Property
Cp,gas 51.38 J/mol×K 300.00 Calculated Property
Cp,gas 67.74 J/mol×K 450.00 Calculated Property
Cp,gas 82.34 J/mol×K 600.00 Calculated Property
Cp,gas 93.67 J/mol×K 750.00 Calculated Property
Cp,gas 102.28 J/mol×K 900.00 Calculated Property
Cp,gas 109.03 J/mol×K 1050.00 Calculated Property
Cp,gas 114.63 J/mol×K 1200.00 Calculated Property
Cp,gas 119.65 J/mol×K 1350.00 Calculated Property
Cp,gas 124.50 J/mol×K 1500.00 Calculated Property
Property Value Unit Temperature (K) Source
Cp,liquid [99.27; 102.41] J/mol×K [179.69; 266.82] ChemSep v8.3 pure component data Show Hide
EquationY = A + exp(B/T + C + D·T + E·T²)
Y is Cp,liquid in J/mol×K, T in K
Coefficient A9.08150e+01
Coefficient B3.74960e+02
Coefficient C-4.16466e+00
Coefficient D3.15270e-02
Coefficient E-4.49780e-05
CommentChemSep eq 16, LiquidHeatCapacityCp
Temperature range, min.179.69
Temperature range, max.266.82
Cp,liquid 99.27 J/mol×K 179.69 Calculated Property
Cp,liquid 99.60 J/mol×K 189.37 Calculated Property
Cp,liquid 99.95 J/mol×K 199.05 Calculated Property
Cp,liquid 100.33 J/mol×K 208.73 Calculated Property
Cp,liquid 100.71 J/mol×K 218.41 Calculated Property
Cp,liquid 101.10 J/mol×K 228.10 Calculated Property
Cp,liquid 101.47 J/mol×K 237.78 Calculated Property
Cp,liquid 101.82 J/mol×K 247.46 Calculated Property
Cp,liquid 102.13 J/mol×K 257.14 Calculated Property
Cp,liquid 102.41 J/mol×K 266.82 Calculated Property
Property Value Unit Temperature (K) Source
η [0.0012365; 0.0001439] Pa×s [179.69; 373.00] ChemSep v8.3 pure component data Show Hide
EquationY = exp(A + B/T + C·ln(T) + D·T^E)
Y is η in Pa×s, T in K
Coefficient A9.64500e+00
Coefficient B4.48120e+02
Coefficient C-3.73700e+00
Coefficient D1.75080e-05
Coefficient E2.00000e+00
CommentChemSep eq 101, LiquidViscosity
Temperature range, min.179.69
Temperature range, max.373.00
η 0.0012365 Pa×s 179.69 Calculated Property
η 0.0007170 Pa×s 201.17 Calculated Property
η 0.0004642 Pa×s 222.65 Calculated Property
η 0.0003286 Pa×s 244.13 Calculated Property
η 0.0002503 Pa×s 265.61 Calculated Property
η 0.0002031 Pa×s 287.08 Calculated Property
η 0.0001741 Pa×s 308.56 Calculated Property
η 0.0001566 Pa×s 330.04 Calculated Property
η 0.0001471 Pa×s 351.52 Calculated Property
η 0.0001439 Pa×s 373.00 Calculated Property
Property Value Unit Temperature (K) Source
ΔvapH [30.93; 9.32] kJ/mol [179.69; 416.87] ChemSep v8.3 pure component data Show Hide
EquationY = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc
Y is ΔvapH in kJ/mol, T in K
Coefficient A4.64990e+01
Coefficient B1.60580e+00
Coefficient C-3.23110e+00
Coefficient D3.40820e+00
Coefficient E-1.33450e+00
Critical temperature, Tc (K)4.30000e+02
CommentChemSep eq 106, HeatOfVaporization
Temperature range, min.179.69
Temperature range, max.416.87
ΔvapH 30.93 kJ/mol 179.69 Calculated Property
ΔvapH 29.58 kJ/mol 206.04 Calculated Property
ΔvapH 28.17 kJ/mol 232.40 Calculated Property
ΔvapH 26.64 kJ/mol 258.75 Calculated Property
ΔvapH 24.94 kJ/mol 285.10 Calculated Property
ΔvapH 23.00 kJ/mol 311.46 Calculated Property
ΔvapH 20.75 kJ/mol 337.81 Calculated Property
ΔvapH 18.08 kJ/mol 364.16 Calculated Property
ΔvapH 14.68 kJ/mol 390.52 Calculated Property
ΔvapH 9.32 kJ/mol 416.87 Calculated Property
Property Value Unit Temperature (K) Source
Pvap [0.18; 3767.28] kPa [179.69; 390.05] The Yaws Handbook of Vapor Pressure Show Hide
Equationln(Y) = A + B/(T + C)
Y is Pvap in kPa, T in K
Coefficient A1.49438e+01
Coefficient B-2.36156e+03
Coefficient C-3.80880e+01
Temperature range, min.179.69
Temperature range, max.390.05
Pvap 0.18 kPa 179.69 Calculated Property
Pvap 1.88 kPa 203.06 Calculated Property
Pvap 11.08 kPa 226.44 Calculated Property
Pvap 44.25 kPa 249.81 Calculated Property
Pvap 134.11 kPa 273.18 Calculated Property
Pvap 332.64 kPa 296.56 Calculated Property
Pvap 709.66 kPa 319.93 Calculated Property
Pvap 1348.10 kPa 343.30 Calculated Property
Pvap 2337.48 kPa 366.68 Calculated Property
Pvap 3767.28 kPa 390.05 Calculated Property
Pvap [0.14; 7373.48] kPa [177.35; 430.05] ChemSep v8.3 pure component data Show Hide
EquationY = exp(A + B/T + C·ln(T) + D·T^E)
Y is Pvap in kPa, T in K
Coefficient A6.78919e+01
Coefficient B-5.06717e+03
Coefficient C-8.02800e+00
Coefficient D7.98883e-06
Coefficient E2.00000e+00
CommentChemSep eq 101, VaporPressure
Temperature range, min.177.35
Temperature range, max.430.05
Pvap 0.14 kPa 177.35 Calculated Property
Pvap 2.25 kPa 205.43 Calculated Property
Pvap 17.27 kPa 233.51 Calculated Property
Pvap 79.64 kPa 261.58 Calculated Property
Pvap 259.91 kPa 289.66 Calculated Property
Pvap 664.94 kPa 317.74 Calculated Property
Pvap 1427.34 kPa 345.82 Calculated Property
Pvap 2693.67 kPa 373.89 Calculated Property
Pvap 4619.44 kPa 401.97 Calculated Property
Pvap 7373.48 kPa 430.05 Calculated Property
Pvap [0.18; 7441.23] kPa [179.69; 430.05] KDB Vapor Pressure Data Show Hide
Equationln(Y) = A + B/T + C·ln(T) + D·T² + E/T²
Y is Pvap in kPa, T in K
Coefficient A7.39982e+01
Coefficient B-5.25016e+03
Coefficient C-9.02366e+00
Coefficient D9.96726e-06
Coefficient E0.00000e+00
Temperature range, min.179.69
Temperature range, max.430.05
Pvap 0.18 kPa 179.69 Calculated Property
Pvap 2.67 kPa 207.51 Calculated Property
Pvap 19.34 kPa 235.33 Calculated Property
Pvap 85.68 kPa 263.14 Calculated Property
Pvap 271.76 kPa 290.96 Calculated Property
Pvap 681.75 kPa 318.78 Calculated Property
Pvap 1445.25 kPa 346.60 Calculated Property
Pvap 2710.10 kPa 374.41 Calculated Property
Pvap 4643.16 kPa 402.23 Calculated Property
Pvap 7441.23 kPa 430.05 Calculated Property
Pvap [0.54; 101.69] kPa [190.06; 266.92] NIST Show Hide
Equationln(Y) = A + B/(T + C)
Y is Pvap in kPa, T in K
Coefficient A1.50129e+01
Coefficient B-2.38312e+03
Coefficient C-3.75740e+01
ReferenceAston, Siller, et al., 1937, 2
CommentCoefficents calculated by NIST from author's data.
Temperature range, min.190.06
Temperature range, max.266.92
Pvap 0.54 kPa 190.06 Calculated Property
Pvap 1.24 kPa 198.60 Calculated Property
Pvap 2.61 kPa 207.14 Calculated Property
Pvap 5.12 kPa 215.68 Calculated Property
Pvap 9.44 kPa 224.22 Calculated Property
Pvap 16.50 kPa 232.76 Calculated Property
Pvap 27.53 kPa 241.30 Calculated Property
Pvap 44.07 kPa 249.84 Calculated Property
Pvap 68.03 kPa 258.38 Calculated Property
Pvap 101.69 kPa 266.92 Calculated Property
Pvap [0.54; 101.69] kPa [190.06; 266.92] NIST Show Hide
Equationln(Y) = A + B/(T + C)
Y is Pvap in kPa, T in K
Coefficient A1.50129e+01
Coefficient B-2.38312e+03
Coefficient C-3.75740e+01
ReferenceAston, Siller, et al., 1937
CommentCoefficents calculated by NIST from author's data.
Temperature range, min.190.06
Temperature range, max.266.92
Pvap 0.54 kPa 190.06 Calculated Property
Pvap 1.24 kPa 198.60 Calculated Property
Pvap 2.61 kPa 207.14 Calculated Property
Pvap 5.12 kPa 215.68 Calculated Property
Pvap 9.44 kPa 224.22 Calculated Property
Pvap 16.50 kPa 232.76 Calculated Property
Pvap 27.53 kPa 241.30 Calculated Property
Pvap 44.07 kPa 249.84 Calculated Property
Pvap 68.03 kPa 258.38 Calculated Property
Pvap 101.69 kPa 266.92 Calculated Property
Property Value Unit Temperature (K) Source
ρl [788.16; 201.68] kg/m3 [179.69; 430.05] ChemSep v8.3 pure component data Show Hide
EquationY = A / B^(1 + (1 − T/C)^D)
Y is ρl in kg/m3, T in K
Coefficient A4.31694e+01
Coefficient B2.14050e-01
Coefficient C4.30050e+02
Coefficient D2.27500e-01
CommentChemSep eq 105, LiquidDensity
Temperature range, min.179.69
Temperature range, max.430.05
ρl 788.16 kg/m3 179.69 Calculated Property
ρl 760.26 kg/m3 207.51 Calculated Property
ρl 730.67 kg/m3 235.33 Calculated Property
ρl 698.96 kg/m3 263.14 Calculated Property
ρl 664.54 kg/m3 290.96 Calculated Property
ρl 626.45 kg/m3 318.78 Calculated Property
ρl 583.05 kg/m3 346.60 Calculated Property
ρl 530.98 kg/m3 374.41 Calculated Property
ρl 461.05 kg/m3 402.23 Calculated Property
ρl 201.68 kg/m3 430.05 Calculated Property
Property Value Unit Temperature (K) Source
γ [0.04; 8.88e-04] N/m [179.69; 416.87] ChemSep v8.3 pure component data Show Hide
EquationY = A + exp(B/T + C + D·T + E·T²)
Y is γ in N/m, T in K
Coefficient A-2.04760e-02
Coefficient B2.18890e+00
Coefficient C-2.33030e+00
Coefficient D-1.44400e-03
Coefficient E-5.28860e-06
CommentChemSep eq 16, SurfaceTension
Temperature range, min.179.69
Temperature range, max.416.87
γ 0.04 N/m 179.69 Calculated Property
γ 0.04 N/m 206.04 Calculated Property
γ 0.03 N/m 232.40 Calculated Property
γ 0.03 N/m 258.75 Calculated Property
γ 0.02 N/m 285.10 Calculated Property
γ 0.02 N/m 311.46 Calculated Property
γ 0.01 N/m 337.81 Calculated Property
γ 0.01 N/m 364.16 Calculated Property
γ 0.00 N/m 390.52 Calculated Property
γ 8.88e-04 N/m 416.87 Calculated Property
Property Value Unit Temperature (K) Source
λ [0.01; 0.08] W/m×K [179.69; 650.00] ChemSep v8.3 pure component data Show Hide
EquationY = A·T^B / (1 + C/T + D/T²)
Y is λ in W/m×K, T in K
Coefficient A-5.19790e+01
Coefficient B1.07210e+00
Coefficient C-4.49660e+08
Coefficient D4.26970e+09
CommentChemSep eq 102, VaporThermalConductivity
Temperature range, min.179.69
Temperature range, max.650.00
λ 0.01 W/m×K 179.69 Calculated Property
λ 0.01 W/m×K 231.95 Calculated Property
λ 0.01 W/m×K 284.20 Calculated Property
λ 0.02 W/m×K 336.46 Calculated Property
λ 0.03 W/m×K 388.72 Calculated Property
λ 0.04 W/m×K 440.97 Calculated Property
λ 0.04 W/m×K 493.23 Calculated Property
λ 0.06 W/m×K 545.49 Calculated Property
λ 0.07 W/m×K 597.74 Calculated Property
λ 0.08 W/m×K 650.00 Calculated Property
Property Value Unit Temperature (K) Source
λ [0.24; 0.20] W/m×K [179.69; 393.15] ChemSep v8.3 pure component data Show Hide
EquationY = A + exp(B/T + C + D·T + E·T²)
Y is λ in W/m×K, T in K
Coefficient A1.98760e-01
Coefficient B9.59200e+03
Coefficient C-1.37200e+02
Coefficient D6.24820e-01
Coefficient E-9.79540e-04
CommentChemSep eq 16, LiquidThermalConductivity
Temperature range, min.179.69
Temperature range, max.393.15
λ 0.24 W/m×K 179.69 Calculated Property
λ 0.23 W/m×K 203.41 Calculated Property
λ 0.23 W/m×K 227.13 Calculated Property
λ 0.22 W/m×K 250.84 Calculated Property
λ 0.21 W/m×K 274.56 Calculated Property
λ 0.20 W/m×K 298.28 Calculated Property
λ 0.20 W/m×K 322.00 Calculated Property
λ 0.20 W/m×K 345.71 Calculated Property
λ 0.20 W/m×K 369.43 Calculated Property
λ 0.20 W/m×K 393.15 Calculated Property

Similar Compounds

methan-d3-amine. Methylene, 1-amino-. CH2NH2. Formamide. Dimethylamine. CH2NHCH3. CYANIC ACID. AMINOACETONITRILE. Methyl isocyanide. Methane, nitroso-. Hydrazine, methyl-. Methanamine, N,N-difluoro-. Cyanamide. Diazene, dimethyl-. (E)-CH3N=NCH3.

Find more compounds similar to Methylamine.

Sources

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