Chemical Properties of Butane, 2-methyl- (CAS 78-78-4)

Butane, 2-methyl-

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InChI
InChI=1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3
InChI Key
QWTDNUCVQCZILF-UHFFFAOYSA-N
Formula
C5H12
SMILES
CCC(C)C
Molecular Weight1
72.15
CAS
78-78-4
Other Names
  • 1,1,2-Trimethylethane
  • 1,1-Dimethylpropane
  • 2-Methylbutane
  • Ethyldimethylmethane
  • Exxsol isopentane S
  • Isoamylhydride
  • Methylbutane
  • NSC 119476
  • iso-C5H12
  • iso-Pentane
Sources

Physical Properties

Property Value Unit Source
Δcgas -3528.40 ± 0.92 kJ/mol NIST
Δcgas -3528.60 ± 0.63 kJ/mol NIST
Δcgas -3527.60 ± 3.50 kJ/mol NIST
Δcliquid -3504.40 ± 0.84 kJ/mol NIST
Δcliquid -3503.30 ± 0.75 kJ/mol NIST
Δf -11.22 kJ/mol Joback Calculated Property
Δfgas -153.70 ± 0.59 kJ/mol NIST
Δfgas -154.10 ± 0.96 kJ/mol NIST
Δfgas -154.50 ± 0.84 kJ/mol NIST
Δfliquid -178.20 ± 0.88 kJ/mol NIST
Δfliquid -179.30 ± 0.84 kJ/mol NIST
Δfus 5.18 kJ/mol Joback Calculated Property
Δvap [24.80; 25.22] kJ/mol Show Hide
Δvap 25.22 kJ/mol NIST
Δvap 24.80 kJ/mol NIST
Δvap 24.80 ± 0.10 kJ/mol NIST
Δvap 25.00 kJ/mol NIST
IE [10.18; 11.00] eV Show Hide
IE 10.32 ± 0.05 eV NIST
IE 10.21 eV NIST
IE 10.18 eV NIST
IE 10.22 eV NIST
IE 10.30 ± 0.10 eV NIST
IE 10.50 ± 0.05 eV NIST
IE 10.32 eV NIST
IE 10.32 eV NIST
IE 10.94 eV NIST
IE Outlier 11.00 ± 0.10 eV NIST
logPoct/wat 2.05 Crippen Calculated Property
Pc [3270.00; 3410.60] kPa Show Hide
Pc 3380.00 ± 50.00 kPa NIST
Pc 3381.00 ± 50.66 kPa NIST
Pc 3410.60 ± 10.13 kPa NIST
Pc 3335.50 ± 66.70 kPa NIST
Pc 3270.00 ± 98.07 kPa NIST
liquid 260.41 J/mol×K NIST
liquid 261.04 J/mol×K NIST
liquid 254.40 J/mol×K NIST
Tboil [300.00; 303.70] K Show Hide
Tboil Outlier 303.20 K NIST
Tboil 301.00 K NIST
Tboil 301.00 K NIST
Tboil 301.20 ± 1.50 K NIST
Tboil 302.10 ± 3.00 K NIST
Tboil 300.20 ± 0.60 K NIST
Tboil 300.00 ± 4.00 K NIST
Tboil 301.00 ± 0.20 K NIST
Tboil 301.05 ± 0.50 K NIST
Tboil 300.90 ± 1.00 K NIST
Tboil 301.10 ± 0.10 K NIST
Tboil 301.15 ± 1.00 K NIST
Tboil 301.05 ± 0.50 K NIST
Tboil 300.86 ± 0.50 K NIST
Tboil 301.10 ± 0.07 K NIST
Tboil 301.10 ± 0.07 K NIST
Tboil 301.05 ± 0.70 K NIST
Tboil 301.05 ± 0.50 K NIST
Tboil 300.95 ± 0.70 K NIST
Tboil 301.10 ± 0.07 K NIST
Tboil 301.00 ± 0.70 K NIST
Tboil 301.05 ± 0.70 K NIST
Tboil 301.10 ± 0.20 K NIST
Tboil 301.15 ± 0.50 K NIST
Tboil 301.04 ± 0.06 K NIST
Tboil 300.95 ± 0.50 K NIST
Tboil 301.05 ± 0.30 K NIST
Tboil 301.10 ± 0.10 K NIST
Tboil 301.00 ± 0.02 K NIST
Tboil 301.10 ± 0.07 K NIST
Tboil 301.10 ± 0.30 K NIST
Tboil 301.10 ± 0.07 K NIST
Tboil 300.15 ± 2.00 K NIST
Tboil 301.10 ± 0.10 K NIST
Tboil 301.60 ± 0.60 K NIST
Tboil 301.25 ± 0.70 K NIST
Tboil 301.15 ± 1.00 K NIST
Tboil 301.10 ± 0.10 K NIST
Tboil 301.00 ± 0.02 K NIST
Tboil 301.07 ± 0.05 K NIST
Tboil 301.15 ± 0.50 K NIST
Tboil 301.00 ± 0.30 K NIST
Tboil 300.85 ± 0.50 K NIST
Tboil 301.05 ± 0.40 K NIST
Tboil 300.90 ± 0.30 K NIST
Tboil 301.04 ± 0.10 K NIST
Tboil 301.15 ± 0.50 K NIST
Tboil 300.90 ± 0.80 K NIST
Tboil 301.10 ± 0.50 K NIST
Tboil 300.95 ± 0.30 K NIST
Tboil 300.95 ± 0.30 K NIST
Tboil 301.15 ± 1.00 K NIST
Tboil 301.25 ± 0.50 K NIST
Tboil 301.25 ± 0.50 K NIST
Tboil 301.10 ± 0.50 K NIST
Tboil 301.05 ± 0.50 K NIST
Tboil 301.15 ± 0.50 K NIST
Tboil 301.10 ± 0.20 K NIST
Tboil 301.10 ± 0.50 K NIST
Tboil 301.15 ± 0.50 K NIST
Tboil 301.15 ± 0.50 K NIST
Tboil 301.10 ± 0.05 K NIST
Tboil Outlier 303.70 ± 1.00 K NIST
Tboil 301.10 ± 0.03 K NIST
Tboil 301.20 ± 0.20 K NIST
Tboil 301.05 ± 0.50 K NIST
Tboil 301.05 ± 0.04 K NIST
Tboil 301.15 ± 1.00 K NIST
Tboil 301.00 ± 2.00 K NIST
Tboil 301.15 ± 1.00 K NIST
Tboil Outlier 303.55 ± 0.50 K NIST
Tboil 301.10 ± 0.05 K NIST
Tboil 301.10 ± 0.20 K NIST
Tboil 301.10 ± 0.20 K NIST
Tboil 301.15 ± 1.00 K NIST
Tboil Outlier 303.65 ± 2.00 K NIST
Tc [460.30; 468.00] K Show Hide
Tc 460.40 ± 0.50 K NIST
Tc 460.36 ± 0.20 K NIST
Tc 460.40 K NIST
Tc 460.39 ± 0.50 K NIST
Tc 460.39 ± 0.20 K NIST
Tc 460.95 ± 0.10 K NIST
Tc 461.00 ± 0.80 K NIST
Tc 460.30 ± 0.60 K NIST
Tc Outlier 468.00 ± 8.00 K NIST
Tfus [112.55; 115.10] K Show Hide
Tfus 113.25 ± 0.15 K NIST
Tfus 113.14 ± 0.01 K NIST
Tfus 113.20 ± 0.10 K NIST
Tfus 112.55 ± 0.30 K NIST
Tfus 112.55 ± 0.20 K NIST
Tfus 114.15 ± 2.00 K NIST
Tfus 113.00 ± 1.50 K NIST
Tfus 112.70 ± 1.00 K NIST
Tfus 113.15 ± 0.20 K NIST
Tfus Outlier 115.10 ± 0.20 K NIST
Ttriple 113.37 ± 0.02 K NIST
Ttriple 113.39 ± 0.05 K NIST
Ttriple 112.60 ± 0.30 K NIST
Vc 0.31 m3/kg-mol NIST

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [125.31; 179.62] J/mol×K [317.20; 487.05] Show Hide
Plot of Ideal gas heat capacity.
Cp,gas 125.31 ± 0.37 J/mol×K 317.2 NIST
Cp,gas 139.12 ± 0.42 J/mol×K 358.15 NIST
Cp,gas 153.64 ± 0.46 J/mol×K 402.3 NIST
Cp,gas 168.36 ± 0.51 J/mol×K 449.2 NIST
Cp,gas 179.62 ± 0.54 J/mol×K 487.05 NIST
Cp,liquid [157.30; 169.41] J/mol×K [275.80; 298.30] Show Hide
Cp,liquid 157.30 J/mol×K 275.8 NIST
Cp,liquid 169.41 J/mol×K 290.0 NIST
Cp,liquid 164.85 J/mol×K 298.15 NIST
Cp,liquid 164.50 J/mol×K 298.3 NIST
η 0.00 Pa×s 313.36 Joback Calculated Property
ΔfusH [5.11; 5.16] kJ/mol [112.60; 113.40] Show Hide
Plot of Enthalpy of fusion at a given temperature.
ΔfusH 5.11 kJ/mol 112.6 NIST
ΔfusH 5.16 kJ/mol 113.37 NIST
ΔfusH 5.13 kJ/mol 113.39 NIST
ΔfusH 5.13 kJ/mol 113.4 NIST
ΔfusH 5.13 kJ/mol 113.4 NIST
ΔvapH [12.90; 30.20] kJ/mol [245.00; 436.00] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 30.20 kJ/mol 245.0 NIST
ΔvapH 28.50 kJ/mol 269.5 NIST
ΔvapH 26.90 kJ/mol 289.0 NIST
ΔvapH 24.83 kJ/mol 293.95 NIST
ΔvapH 26.20 kJ/mol 295.0 NIST
ΔvapH 24.69 kJ/mol 301.0 NIST
ΔvapH 24.40 kJ/mol 310.0 NIST
ΔvapH 21.50 kJ/mol 350.0 NIST
ΔvapH 25.20 kJ/mol 355.5 NIST
ΔvapH 25.20 kJ/mol 380.0 NIST
ΔvapH 18.00 kJ/mol 390.0 NIST
ΔvapH 24.80 kJ/mol 400.5 NIST
ΔvapH 12.90 kJ/mol 430.0 NIST
ΔvapH 25.30 kJ/mol 436.0 NIST
ΔfusS [45.23; 45.48] J/mol×K [112.60; 113.40] Show Hide
ΔfusS 45.41 J/mol×K 112.6 NIST
ΔfusS 45.48 J/mol×K 113.37 NIST
ΔfusS 45.24 J/mol×K 113.39 NIST
ΔfusS 45.23 J/mol×K 113.4 NIST
ΔvapS 84.48 J/mol×K 293.95 NIST

Molecular Descriptors

Joback and Reid Groups
>CH- 1
-CH2- 1
-CH3 3

Similar Compounds

3-methylbutyl radical. 1,2-dimethylpropyl radical. Butane, 2,3-dimethyl-. Pentane, 2-methyl-. Butane, 2,2-dimethyl-. Pentane, 3-methyl-. Pentane, 3-ethyl-. Pentane, 2,4-dimethyl-. Cyclobutane, methyl-. 2-Butyl radical. i-C4H9. Butane. Isobutane. 1-Butyl radical. C8H18Cl2Sn.

Find more compounds similar to Butane, 2-methyl-.

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