Chemical Properties of Methylamine, N,N-dimethyl- (CAS 75-50-3)

Methylamine, N,N-dimethyl-

InChI
InChI=1S/C3H9N/c1-4(2)3/h1-3H3
InChI Key
GETQZCLCWQTVFV-UHFFFAOYSA-N
Formula
C3H9N
SMILES
CN(C)C
Molecular Weight1
59.11
CAS
75-50-3
Other Names
  • N,N-DIMETHYL-METHYLAMINE
  • N,N-dimethylmethanamine
  • TMA
  • UN 1083
  • UN 1297
  • methanamine, N,N-dimethyl-
  • trimethylamine
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Physical Properties

Property Value Unit Source
ω [0.2050; 0.2062]   Show Hide
ω 0.2062 ChemSep v8.3 pure component data
ω 0.2050 KDB
PAff 948.90 kJ/mol NIST
BasG 918.10 kJ/mol NIST
ΔcH°liquid [-2484.00; -2430.00] kJ/mol Show Hide
ΔcH°liquid -2484.00 kJ/mol NIST
ΔcH°liquid -2430.00 kJ/mol NIST
μ [0.60; 0.61] debye Show Hide
μ 0.61 debye ChemSep v8.3 pure component data
μ 0.60 debye KDB
ΔfG° [98.98; 98.99] kJ/mol Show Hide
ΔfG° 98.99 kJ/mol ChemSep v8.3 pure component data
ΔfG° 98.98 kJ/mol KDB
Rg 2.7360 KDB
ΔfH°gas [-30.70; -23.70] kJ/mol Show Hide
ΔfH°gas -24.31 kJ/mol ChemSep v8.3 pure component data
ΔfH°gas -23.86 kJ/mol KDB
ΔfH°gas -23.70 ± 0.75 kJ/mol NIST
ΔfH°gas -30.70 kJ/mol NIST
ΔfH°liquid [-52.70; -45.73] kJ/mol Show Hide
ΔfH°liquid -45.73 ± 0.71 kJ/mol NIST
ΔfH°liquid -52.70 kJ/mol NIST
ΔfusH° 6.55 kJ/mol Joback Calculated Property
ΔvapH° [22.00; 22.18] kJ/mol Show Hide
ΔvapH° 22.18 kJ/mol NIST
ΔvapH° 22.00 ± 0.08 kJ/mol NIST
ΔvapH° 22.00 kJ/mol NIST
IE [7.80; 8.56] eV Show Hide
IE 7.85 ± 0.05 eV NIST
IE 7.80 eV NIST
IE 8.40 eV NIST
IE 7.80 ± 0.10 eV NIST
IE 7.88 eV NIST
IE 7.83 ± 0.05 eV NIST
IE 7.83 ± 0.02 eV NIST
IE 7.95 ± 0.10 eV NIST
IE 7.80 eV NIST
IE 7.82 ± 0.02 eV NIST
IE 8.54 eV NIST
IE 8.47 eV NIST
IE 8.45 eV NIST
IE 8.44 eV NIST
IE 8.56 eV NIST
IE 8.54 eV NIST
IE 8.50 eV NIST
IE 8.45 ± 0.01 eV NIST
IE 8.50 ± 0.10 eV NIST
log10WS 0.84 Aq. Solubility Prediction
logPoct/wat 0.178 Crippen Calculated Property
McVol 63.110 ml/mol McGowan Calculated Property
NFPA Fire 4 KDB
NFPA Health 2 KDB
Pc [4075.00; 4087.00] kPa Show Hide
Pc 4075.00 kPa ChemSep v8.3 pure component data
Pc 4075.00 kPa Air Liquide Gas Encyclopedia
Pc 4087.00 kPa KDB
Pc 4087.00 ± 3.00 kPa NIST
Pc 4077.12 ± 10.66 kPa NIST
Ptriple 9.92e-03 kPa ChemSep v8.3 pure component data
Inp [479.00; 518.00]   Show Hide
Inp 479.00 NIST
Inp 518.00 NIST
Inp 503.00 NIST
Inp 479.00 NIST
Inp 518.00 NIST
Inp 503.00 NIST
I [546.00; 610.00]   Show Hide
I 576.00 NIST
I 570.00 NIST
I 609.00 NIST
I 609.00 NIST
I 570.00 NIST
I 553.00 NIST
I 546.00 NIST
I 554.00 NIST
I 570.00 NIST
I 561.00 NIST
I 610.00 NIST
I 609.00 NIST
I 546.00 NIST
S°liquid 197.82 J/mol×K NIST
Tboil [270.15; 276.65] K Show Hide
Tboil 276.02 K ChemSep v8.3 pure component data
Tboil 276.02 K KDB
Tboil 276.10 K NIST
Tboil 276.00 K NIST
Tboil 276.65 ± 1.00 K NIST
Tboil 276.05 ± 0.10 K NIST
Tboil 276.65 ± 2.00 K NIST
Tboil Outlier 270.15 ± 3.00 K NIST
Tc [432.79; 433.30] K Show Hide
Tc 433.30 K ChemSep v8.3 pure component data
Tc 433.15 K Air Liquide Gas Encyclopedia
Tc 432.79 K KDB
Tc 433.20 K NIST
Tc 432.79 ± 0.15 K NIST
Tc 433.30 ± 0.30 K NIST
Tfus [149.15; 156.11] K Show Hide
Tfus 156.08 K ChemSep v8.3 pure component data
Tfus 156.00 K KDB
Tfus 156.11 K Aq. Solubility Prediction
Tfus 155.95 ± 0.20 K NIST
Tfus 149.40 ± 0.50 K NIST
Tfus 155.95 ± 2.00 K NIST
Tfus 155.85 ± 0.50 K NIST
Tfus 149.15 ± 1.00 K NIST
Ttriple [156.08; 156.08] K Show Hide
Ttriple 156.08 K ChemSep v8.3 pure component data
Ttriple 156.08 ± 0.05 K NIST
Ttriple 156.08 ± 0.05 K NIST
UQi 2.64 ChemSep v8.3 pure component data
URi 2.99 ChemSep v8.3 pure component data
Vc [0.254; 30.000] m3/kmol Show Hide
Vc 0.254 m3/kmol ChemSep v8.3 pure component data
Vc 0.254 m3/kmol KDB
Vc 30.000 ± 0.070 m3/kmol NIST
Zc [0.2660000; 0.2884860]   Show Hide
Zc 0.2660000 ChemSep v8.3 pure component data
Zc 0.2884860 KDB
Zra 0.27 KDB

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,liquid 132.55 J/mol×K 280.00 NIST
ΔfusH [6.54; 6.54] kJ/mol [156.08; 156.10] Show Hide
ΔfusH 6.54 kJ/mol 156.08 NIST
ΔfusH 6.54 kJ/mol 156.08 NIST
ΔfusH 6.54 kJ/mol 156.10 NIST
ΔvapH [22.94; 24.60] kJ/mol [234.50; 368.00] Show Hide
ΔvapH 24.60 kJ/mol 234.50 NIST
ΔvapH 24.60 kJ/mol 234.50 NIST
ΔvapH 24.50 kJ/mol 250.00 NIST
ΔvapH 24.50 kJ/mol 250.00 NIST
ΔvapH 24.10 kJ/mol 276.00 KDB
ΔvapH 22.94 kJ/mol 276.00 NIST
ΔvapH 22.94 kJ/mol 276.03 NIST
ΔvapH 22.94 ± 0.03 kJ/mol 276.03 NIST
ΔvapH 22.94 kJ/mol 276.03 NIST
ΔvapH 24.35 kJ/mol 276.20 NIST
ΔvapH 24.10 kJ/mol 293.00 NIST
ΔvapH 23.00 kJ/mol 368.00 NIST
ρl 633.00 kg/m3 293.00 KDB
ΔfusS [41.93; 41.93] J/mol×K [156.08; 156.08] Show Hide
ΔfusS 41.93 J/mol×K 156.08 NIST
ΔfusS 41.93 J/mol×K 156.08 NIST
γ 0.01 N/m 293.20 KDB
ΔvapS [83.10; 83.10] J/mol×K [276.03; 276.03] Show Hide
ΔvapS 83.10 J/mol×K 276.03 NIST
ΔvapS 83.10 J/mol×K 276.03 NIST

Correlations

Property Value Unit Temperature (K) Source
Cp,gas [72.67; 243.92] J/mol×K [200.00; 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 A6.52030e+01
Coefficient B-7.94870e+02
Coefficient C6.04524e+00
Coefficient D-3.16340e-04
Coefficient E6.44260e-08
CommentChemSep eq 16, IdealGasHeatCapacityCp
Temperature range, min.200.00
Temperature range, max.1500.00
Cp,gas 72.67 J/mol×K 200.00 Calculated Property
Cp,gas 103.15 J/mol×K 344.44 Calculated Property
Cp,gas 137.45 J/mol×K 488.89 Calculated Property
Cp,gas 166.26 J/mol×K 633.33 Calculated Property
Cp,gas 188.70 J/mol×K 777.78 Calculated Property
Cp,gas 205.87 J/mol×K 922.22 Calculated Property
Cp,gas 219.05 J/mol×K 1066.67 Calculated Property
Cp,gas 229.28 J/mol×K 1211.11 Calculated Property
Cp,gas 237.36 J/mol×K 1355.56 Calculated Property
Cp,gas 243.92 J/mol×K 1500.00 Calculated Property
Property Value Unit Temperature (K) Source
Cp,liquid [115.22; 131.98] J/mol×K [156.08; 276.02] 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 A1.12140e+02
Coefficient B1.25330e+03
Coefficient C-1.98128e+01
Coefficient D1.04240e-01
Coefficient E-1.37980e-04
CommentChemSep eq 16, LiquidHeatCapacityCp
Temperature range, min.156.08
Temperature range, max.276.02
Cp,liquid 115.22 J/mol×K 156.08 Calculated Property
Cp,liquid 115.75 J/mol×K 169.41 Calculated Property
Cp,liquid 116.56 J/mol×K 182.73 Calculated Property
Cp,liquid 117.69 J/mol×K 196.06 Calculated Property
Cp,liquid 119.17 J/mol×K 209.39 Calculated Property
Cp,liquid 121.04 J/mol×K 222.71 Calculated Property
Cp,liquid 123.32 J/mol×K 236.04 Calculated Property
Cp,liquid 125.97 J/mol×K 249.37 Calculated Property
Cp,liquid 128.91 J/mol×K 262.69 Calculated Property
Cp,liquid 131.98 J/mol×K 276.02 Calculated Property
Property Value Unit Temperature (K) Source
η [0.0005156; 0.0000937] Pa×s [200.00; 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 A9.99610e+00
Coefficient B-1.26460e+02
Coefficient C-3.19560e+00
Coefficient D-6.78280e-08
Coefficient E2.00000e+00
CommentChemSep eq 101, LiquidViscosity
Temperature range, min.200.00
Temperature range, max.373.00
η 0.0005156 Pa×s 200.00 Calculated Property
η 0.0004062 Pa×s 219.22 Calculated Property
η 0.0003251 Pa×s 238.44 Calculated Property
η 0.0002639 Pa×s 257.67 Calculated Property
η 0.0002168 Pa×s 276.89 Calculated Property
η 0.0001801 Pa×s 296.11 Calculated Property
η 0.0001510 Pa×s 315.33 Calculated Property
η 0.0001278 Pa×s 334.56 Calculated Property
η 0.0001090 Pa×s 353.78 Calculated Property
η 0.0000937 Pa×s 373.00 Calculated Property
Property Value Unit Temperature (K) Source
ΔvapH [31.04; 0.67] kJ/mol [156.07; 433.25] 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 A4.74312e+01
Coefficient B9.66273e-01
Coefficient C7.52593e-01
Coefficient D-2.76274e+00
Coefficient E1.51311e+00
Critical temperature, Tc (K)4.33300e+02
CommentChemSep eq 106, HeatOfVaporization
Temperature range, min.156.07
Temperature range, max.433.25
ΔvapH 31.04 kJ/mol 156.07 Calculated Property
ΔvapH 28.57 kJ/mol 186.87 Calculated Property
ΔvapH 26.41 kJ/mol 217.67 Calculated Property
ΔvapH 24.51 kJ/mol 248.46 Calculated Property
ΔvapH 22.79 kJ/mol 279.26 Calculated Property
ΔvapH 21.09 kJ/mol 310.06 Calculated Property
ΔvapH 19.21 kJ/mol 340.86 Calculated Property
ΔvapH 16.74 kJ/mol 371.65 Calculated Property
ΔvapH 12.85 kJ/mol 402.45 Calculated Property
ΔvapH 0.67 kJ/mol 433.25 Calculated Property
Property Value Unit Temperature (K) Source
Pvap [1.33; 4387.25] kPa [199.69; 433.25] The Yaws Handbook of Vapor Pressure Show Hide
Equationln(Y) = A + B/(T + C)
Y is Pvap in kPa, T in K
Coefficient A1.41103e+01
Coefficient B-2.28172e+03
Coefficient C-3.46150e+01
Temperature range, min.199.69
Temperature range, max.433.25
Pvap 1.33 kPa 199.69 Calculated Property
Pvap 8.72 kPa 225.64 Calculated Property
Pvap 36.39 kPa 251.59 Calculated Property
Pvap 111.91 kPa 277.54 Calculated Property
Pvap 277.07 kPa 303.49 Calculated Property
Pvap 584.76 kPa 329.45 Calculated Property
Pvap 1093.66 kPa 355.40 Calculated Property
Pvap 1862.47 kPa 381.35 Calculated Property
Pvap 2945.07 kPa 407.30 Calculated Property
Pvap 4387.25 kPa 433.25 Calculated Property
Pvap [9.88e-03; 4740.56] kPa [156.08; 433.25] 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 A1.03346e+02
Coefficient B-5.77054e+03
Coefficient C-1.41719e+01
Coefficient D2.38614e-05
Coefficient E2.00000e+00
CommentChemSep eq 101, VaporPressure
Temperature range, min.156.08
Temperature range, max.433.25
Pvap 9.88e-03 kPa 156.08 Calculated Property
Pvap 0.44 kPa 186.88 Calculated Property
Pvap 5.36 kPa 217.67 Calculated Property
Pvap 30.95 kPa 248.47 Calculated Property
Pvap 112.79 kPa 279.27 Calculated Property
Pvap 307.48 kPa 310.06 Calculated Property
Pvap 696.60 kPa 340.86 Calculated Property
Pvap 1403.58 kPa 371.66 Calculated Property
Pvap 2632.15 kPa 402.45 Calculated Property
Pvap 4740.56 kPa 433.25 Calculated Property
Pvap [0.01; 4152.02] kPa [156.08; 433.25] 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 A8.65213e+01
Coefficient B-5.32656e+03
Coefficient C-1.13601e+01
Coefficient D1.63841e-05
Coefficient E0.00000e+00
Temperature range, min.156.08
Temperature range, max.433.25
Pvap 0.01 kPa 156.08 Calculated Property
Pvap 0.44 kPa 186.88 Calculated Property
Pvap 5.34 kPa 217.67 Calculated Property
Pvap 31.21 kPa 248.47 Calculated Property
Pvap 114.84 kPa 279.27 Calculated Property
Pvap 313.25 kPa 310.06 Calculated Property
Pvap 700.51 kPa 340.86 Calculated Property
Pvap 1371.39 kPa 371.66 Calculated Property
Pvap 2456.58 kPa 402.45 Calculated Property
Pvap 4152.02 kPa 433.25 Calculated Property
Pvap [0.80; 103.65] kPa [192.84; 276.60] NIST Show Hide
Equationln(Y) = A + B/(T + C)
Y is Pvap in kPa, T in K
Coefficient A1.38527e+01
Coefficient B-2.23419e+03
Coefficient C-3.40600e+01
ReferenceAston, Sagenkahn, et al., 1944
CommentCoefficents calculated by NIST from author's data.
Temperature range, min.192.84
Temperature range, max.276.60
Pvap 0.80 kPa 192.84 Calculated Property
Pvap 1.75 kPa 202.15 Calculated Property
Pvap 3.52 kPa 211.45 Calculated Property
Pvap 6.59 kPa 220.76 Calculated Property
Pvap 11.64 kPa 230.07 Calculated Property
Pvap 19.51 kPa 239.37 Calculated Property
Pvap 31.27 kPa 248.68 Calculated Property
Pvap 48.20 kPa 257.99 Calculated Property
Pvap 71.77 kPa 267.29 Calculated Property
Pvap 103.65 kPa 276.60 Calculated Property
Pvap [0.80; 103.65] kPa [192.84; 276.60] NIST Show Hide
Equationln(Y) = A + B/(T + C)
Y is Pvap in kPa, T in K
Coefficient A1.38527e+01
Coefficient B-2.23419e+03
Coefficient C-3.40600e+01
ReferenceAston, Sagenkahn, et al., 1944, 2
CommentCoefficents calculated by NIST from author's data.
Temperature range, min.192.84
Temperature range, max.276.60
Pvap 0.80 kPa 192.84 Calculated Property
Pvap 1.75 kPa 202.15 Calculated Property
Pvap 3.52 kPa 211.45 Calculated Property
Pvap 6.59 kPa 220.76 Calculated Property
Pvap 11.64 kPa 230.07 Calculated Property
Pvap 19.51 kPa 239.37 Calculated Property
Pvap 31.27 kPa 248.68 Calculated Property
Pvap 48.20 kPa 257.99 Calculated Property
Pvap 71.77 kPa 267.29 Calculated Property
Pvap 103.65 kPa 276.60 Calculated Property
Property Value Unit Temperature (K) Source
ρl [747.45; 233.31] kg/m3 [156.00; 433.25] 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 A4.01524e+01
Coefficient B2.16490e-01
Coefficient C4.33300e+02
Coefficient D2.09250e-01
CommentChemSep eq 105, LiquidDensity
Temperature range, min.156.00
Temperature range, max.433.25
ρl 747.45 kg/m3 156.00 Calculated Property
ρl 722.51 kg/m3 186.81 Calculated Property
ρl 695.95 kg/m3 217.61 Calculated Property
ρl 667.35 kg/m3 248.42 Calculated Property
ρl 636.13 kg/m3 279.22 Calculated Property
ρl 601.36 kg/m3 310.03 Calculated Property
ρl 561.44 kg/m3 340.83 Calculated Property
ρl 513.09 kg/m3 371.64 Calculated Property
ρl 447.30 kg/m3 402.44 Calculated Property
ρl 233.31 kg/m3 433.25 Calculated Property
Property Value Unit Temperature (K) Source
γ [0.03; 1.87e-05] N/m [156.08; 430.48] 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-7.41590e-03
Coefficient B8.07470e+01
Coefficient C-4.00200e+00
Coefficient D4.09610e-03
Coefficient E-1.53820e-05
CommentChemSep eq 16, SurfaceTension, ChemSep Tmax 433.25 K
Temperature range, min.156.08
Temperature range, max.430.48
γ 0.03 N/m 156.08 Calculated Property
γ 0.03 N/m 186.57 Calculated Property
γ 0.02 N/m 217.06 Calculated Property
γ 0.02 N/m 247.55 Calculated Property
γ 0.02 N/m 278.03 Calculated Property
γ 0.01 N/m 308.52 Calculated Property
γ 0.01 N/m 339.01 Calculated Property
γ 0.01 N/m 369.50 Calculated Property
γ 0.00 N/m 399.99 Calculated Property
γ 1.87e-05 N/m 430.48 Calculated Property
Property Value Unit Temperature (K) Source
λ [0.00; 0.11] W/m×K [156.08; 1000.00] 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 A2.72050e-04
Coefficient B9.01040e-01
Coefficient C1.40750e+02
Coefficient D1.39110e+05
CommentChemSep eq 102, VaporThermalConductivity
Temperature range, min.156.08
Temperature range, max.1000.00
λ 0.00 W/m×K 156.08 Calculated Property
λ 0.01 W/m×K 249.85 Calculated Property
λ 0.02 W/m×K 343.62 Calculated Property
λ 0.03 W/m×K 437.39 Calculated Property
λ 0.04 W/m×K 531.16 Calculated Property
λ 0.06 W/m×K 624.92 Calculated Property
λ 0.07 W/m×K 718.69 Calculated Property
λ 0.08 W/m×K 812.46 Calculated Property
λ 0.09 W/m×K 906.23 Calculated Property
λ 0.11 W/m×K 1000.00 Calculated Property
Property Value Unit Temperature (K) Source
λ [0.18; 0.13] W/m×K [156.07; 276.02] 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 A-4.31320e-03
Coefficient B-1.48750e+01
Coefficient C-1.25290e+00
Coefficient D-1.99690e-03
Coefficient E-1.75750e-06
CommentChemSep eq 16, LiquidThermalConductivity
Temperature range, min.156.07
Temperature range, max.276.02
λ 0.18 W/m×K 156.07 Calculated Property
λ 0.17 W/m×K 169.40 Calculated Property
λ 0.17 W/m×K 182.73 Calculated Property
λ 0.16 W/m×K 196.05 Calculated Property
λ 0.16 W/m×K 209.38 Calculated Property
λ 0.15 W/m×K 222.71 Calculated Property
λ 0.15 W/m×K 236.04 Calculated Property
λ 0.14 W/m×K 249.36 Calculated Property
λ 0.14 W/m×K 262.69 Calculated Property
λ 0.13 W/m×K 276.02 Calculated Property

Similar Compounds

CH2N(CH3)2. Cyanamide, dimethyl-. Methanamine, N,N-dimethyl-, N-oxide. N,N-Dimethylthioformamide. Formamide, N,N-dimethyl-. (CH3)2NCl. Dimethylfluoroamine. Dimethylamine. CH2NHCH3. Carbamothioic chloride, dimethyl-. Carbamic chloride, dimethyl-. Methanediamine, N,N,N',N'-tetramethyl-. Methanamine, N-hydroxy-N-methyl-. 2,2-Dimethylhydrazyl radical. Dimethylamine, n-nitroso-, d6.

Find more compounds similar to Methylamine, N,N-dimethyl-.

Mixtures

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