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

Butane, 2-methyl-

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
  • Isopentane
  • Methylbutane
  • NSC 119476
  • iso-C5H12
  • iso-Pentane
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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 0.2416 Relay (1.0) Calculated Property
Δcgas [-3528.60; -3527.60] kJ/mol Show Hide
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; -3503.30] kJ/mol Show Hide
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 [-154.50; -153.70] kJ/mol Show Hide
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 [-179.30; -178.20] kJ/mol Show Hide
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
log10WS [-3.18; -3.18]   Show Hide
log10WS -3.18 Aq. Solubility Prediction
log10WS -3.18 Estimated Solubility
logPoct/wat 2.052 Crippen Calculated Property
McVol 81.310 ml/mol McGowan 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
ρc [234.27; 235.93] kg/m3 Show Hide
ρc 235.93 ± 3.61 kg/m3 NIST
ρc 234.27 ± 4.33 kg/m3 NIST
ρc 235.93 ± 2.16 kg/m3 NIST
ρc 235.93 ± 7.21 kg/m3 NIST
ρc 234.27 ± 4.33 kg/m3 NIST
Inp [461.00; 480.00]   Show Hide
Inp 475.00 NIST
Inp 474.20 NIST
Inp 469.00 NIST
Inp 470.00 NIST
Inp 470.00 NIST
Inp 475.80 NIST
Inp 475.40 NIST
Inp 474.90 NIST
Inp 468.00 NIST
Inp 474.90 NIST
Inp 474.50 NIST
Inp 475.40 NIST
Inp 475.00 NIST
Inp 475.00 NIST
Inp 475.60 NIST
Inp 475.00 NIST
Inp 476.00 NIST
Inp 474.37 NIST
Inp 470.00 NIST
Inp 470.00 NIST
Inp 471.00 NIST
Inp 471.00 NIST
Inp 472.00 NIST
Inp 477.00 NIST
Inp 476.00 NIST
Inp 474.00 NIST
Inp 475.00 NIST
Inp 476.00 NIST
Inp 476.00 NIST
Inp 474.00 NIST
Inp 474.00 NIST
Inp 474.00 NIST
Inp 474.00 NIST
Inp 474.00 NIST
Inp 478.00 NIST
Inp 477.00 NIST
Inp 474.00 NIST
Inp 474.00 NIST
Inp 475.00 NIST
Inp 473.00 NIST
Inp 475.00 NIST
Inp 474.00 NIST
Inp 476.00 NIST
Inp 476.00 NIST
Inp 465.00 NIST
Inp Outlier 461.00 NIST
Inp 477.50 NIST
Inp 477.00 NIST
Inp 464.90 NIST
Inp 466.10 NIST
Inp 465.35 NIST
Inp 465.39 NIST
Inp 467.00 NIST
Inp 465.11 NIST
Inp 465.18 NIST
Inp 465.00 NIST
Inp 466.00 NIST
Inp 474.00 NIST
Inp 475.00 NIST
Inp 474.00 NIST
Inp 475.00 NIST
Inp 475.00 NIST
Inp 475.00 NIST
Inp 476.00 NIST
Inp 480.00 NIST
Inp 474.00 NIST
Inp 465.00 NIST
Inp 466.20 NIST
Inp Outlier 464.00 NIST
Inp Outlier 464.00 NIST
Inp 475.00 NIST
Inp 476.00 NIST
Inp 475.00 NIST
Inp 475.00 NIST
Inp 475.00 NIST
Inp 475.00 NIST
Inp 477.00 NIST
Inp 466.00 NIST
Inp 472.00 NIST
Inp 474.00 NIST
Inp 467.00 NIST
Inp 476.00 NIST
Inp 476.00 NIST
Inp 476.00 NIST
Inp 476.00 NIST
Inp 477.50 NIST
I [467.00; 471.00]   Show Hide
I 467.00 NIST
I 471.00 NIST
liquid [254.40; 261.04] J/mol×K Show Hide
liquid 260.41 J/mol×K NIST
liquid 261.04 J/mol×K NIST
liquid 254.40 J/mol×K NIST
Tboil [301.15; 301.15] K Show Hide
Tboil 301.15 K Isobaric vapor-liquid equilibrium for four binary systems of thiophene
Tboil 301.15 K Isobaric vapor-liquid equilibrium for four binary systems of 3-methylthiophene
Tc 457.72 K Relay (1.0) Calculated Property
Tfus 113.23 K Aq. Solubility Prediction
Ttriple [112.60; 113.39] K Show Hide
Ttriple 113.37 ± 0.02 K NIST
Ttriple 113.39 ± 0.05 K NIST
Ttriple 112.60 ± 0.30 K NIST
Vc 0.306 m3/kmol 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
Cp,gas 125.31 ± 0.37 J/mol×K 317.20 NIST
Cp,gas 139.12 ± 0.42 J/mol×K 358.15 NIST
Cp,gas 153.64 ± 0.46 J/mol×K 402.30 NIST
Cp,gas 168.36 ± 0.51 J/mol×K 449.20 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 275.80 NIST
Cp,liquid 169.41 J/mol×K 290.00 NIST
Cp,liquid 164.85 J/mol×K 298.15 NIST
Cp,liquid 164.50 J/mol×K 298.30 NIST
η [0.0001287; 0.0003893] Pa×s [253.15; 353.15] Show Hide
η 0.0003893 Pa×s 253.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0003661 Pa×s 258.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0003439 Pa×s 263.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0003201 Pa×s 268.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0003023 Pa×s 273.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0002859 Pa×s 278.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0002703 Pa×s 283.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0002547 Pa×s 288.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0002399 Pa×s 293.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0002289 Pa×s 298.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0002144 Pa×s 303.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0002023 Pa×s 308.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0001910 Pa×s 313.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0001813 Pa×s 318.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0001724 Pa×s 323.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0001611 Pa×s 328.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0001543 Pa×s 333.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0001480 Pa×s 338.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0001411 Pa×s 343.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0001332 Pa×s 348.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
η 0.0001287 Pa×s 353.15 Saturated Liquid Viscosity of Cyclopentane and Isopentane
ΔfusH [5.11; 5.16] kJ/mol [112.60; 113.40] Show Hide
ΔfusH 5.11 kJ/mol 112.60 NIST
ΔfusH 5.16 kJ/mol 113.37 NIST
ΔfusH 5.13 kJ/mol 113.39 NIST
ΔfusH 5.13 kJ/mol 113.40 NIST
ΔfusH 5.13 kJ/mol 113.40 NIST
ΔvapH [12.90; 30.20] kJ/mol [245.00; 436.00] Show Hide
ΔvapH 30.20 kJ/mol 245.00 NIST
ΔvapH 28.50 kJ/mol 269.50 NIST
ΔvapH 26.90 kJ/mol 289.00 NIST
ΔvapH 24.83 kJ/mol 293.95 NIST
ΔvapH 26.20 kJ/mol 295.00 NIST
ΔvapH 24.69 kJ/mol 301.00 NIST
ΔvapH 24.40 kJ/mol 310.00 NIST
ΔvapH 21.50 kJ/mol 350.00 NIST
ΔvapH 25.20 kJ/mol 355.50 NIST
ΔvapH 25.20 kJ/mol 380.00 NIST
ΔvapH 18.00 kJ/mol 390.00 NIST
ΔvapH 24.80 kJ/mol 400.50 NIST
ΔvapH 12.90 kJ/mol 430.00 NIST
ΔvapH 25.30 kJ/mol 436.00 NIST
n0 1.35350 293.15 Isobaric Vapor Liquid Equilibrium for Nine Binary Systems of Cracking C5 Fraction at 250 kPa
ΔfusS [45.23; 45.48] J/mol×K [112.60; 113.40] Show Hide
ΔfusS 45.41 J/mol×K 112.60 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 113.40 NIST
ΔvapS 84.48 J/mol×K 293.95 NIST

Datasets

  1. Mass density, kg/m3 (1)
  2. Thermal conductivity, W/m/K (1)

Mass density, kg/m3

Fixed Measured
Temperature, K - Liquid Pressure, kPa - Liquid Mass density, kg/m3 - Liquid
280.00 200000.00 744.07
280.00 180000.00 737.33
280.00 160000.00 729.89
280.00 140000.00 722.2
280.00 120000.00 713.77
280.00 100000.00 704.35
280.00 90000.00 699.3
280.00 80000.00 694.03
280.00 70000.00 688.43
280.00 60000.00 682.44
280.00 50000.00 675.94
280.00 40000.00 669.03
280.00 30000.00 661.46
280.00 20000.00 653.11
280.00 10000.00 643.42
280.00 5000.00 638.02
280.00 3000.00 635.86
280.00 2000.00 634.7
280.00 1000.00 633.54
300.00 200000.00 734.71
300.00 180000.00 727.5
300.00 160000.00 719.81
300.00 140000.00 711.75
300.00 120000.00 702.76
300.00 100000.00 692.98
300.00 90000.00 687.64
300.00 80000.00 682.03
300.00 70000.00 675.91
300.00 60000.00 669.45
300.00 50000.00 662.36
300.00 40000.00 654.71
300.00 30000.00 646.19
300.00 20000.00 636.61
300.00 10000.00 625.53
300.00 5000.00 619.26
300.00 3000.00 616.54
300.00 2000.00 615.18
300.00 1000.00 613.77
320.00 200000.00 725.65
320.00 180000.00 718.37
320.00 160000.00 710.26
320.00 140000.00 701.5
320.00 120000.00 691.83
320.00 100000.00 681.48
320.00 90000.00 675.83
320.00 80000.00 669.62
320.00 70000.00 662.98
320.00 60000.00 656.03
320.00 50000.00 648.39
320.00 40000.00 639.89
320.00 30000.00 630.46
320.00 20000.00 619.58
320.00 10000.00 606.77
320.00 5000.00 599.33
320.00 3000.00 596.07
320.00 2000.00 594.35
320.00 1000.00 592.72
340.00 200000.00 716.61
340.00 180000.00 708.89
340.00 160000.00 700.49
340.00 140000.00 691.52
340.00 120000.00 681.53
340.00 100000.00 670.52
340.00 90000.00 664.53
340.00 80000.00 658.05
340.00 70000.00 651.03
340.00 60000.00 643.45
340.00 50000.00 635.12
340.00 40000.00 625.82
340.00 30000.00 615.28
340.00 20000.00 602.92
340.00 10000.00 587.99
340.00 5000.00 578.97
340.00 3000.00 574.98
340.00 2000.00 572.85
340.00 1000.00 570.66
360.00 200000.00 708.18
360.00 180000.00 699.47
360.00 160000.00 691.16
360.00 140000.00 681.34
360.00 120000.00 671.11
360.00 100000.00 659.45
360.00 90000.00 652.93
360.00 80000.00 645.89
360.00 70000.00 638.43
360.00 60000.00 630.27
360.00 50000.00 621.15
360.00 40000.00 610.91
360.00 30000.00 599.16
360.00 20000.00 585.18
360.00 10000.00 567.71
360.00 5000.00 556.57
360.00 3000.00 551.5
360.00 2000.00 548.79
360.00 1000.00 545.89
380.00 200000.00 699.6
380.00 180000.00 691.12
380.00 160000.00 682.07
380.00 140000.00 672.14
380.00 120000.00 661.13
380.00 100000.00 648.74
380.00 90000.00 641.88
380.00 80000.00 634.41
380.00 70000.00 626.4
380.00 60000.00 617.61
380.00 50000.00 607.73
380.00 40000.00 596.53
380.00 30000.00 583.41
380.00 20000.00 567.43
380.00 10000.00 546.59
380.00 5000.00 532.71
380.00 3000.00 526.02
380.00 2000.00 522.38
380.00 1000.00 518.39
400.00 200000.00 691.58
400.00 180000.00 682.87
400.00 160000.00 673.54
400.00 140000.00 662.94
400.00 120000.00 651.4
400.00 100000.00 638.47
400.00 90000.00 631.33
400.00 80000.00 623.43
400.00 70000.00 614.87
400.00 60000.00 605.35
400.00 50000.00 594.58
400.00 40000.00 582.37
400.00 30000.00 567.78
400.00 20000.00 549.47
400.00 10000.00 524.35
400.00 5000.00 506.33
400.00 3000.00 497.03
400.00 2000.00 491.59
420.00 200000.00 683.74
420.00 180000.00 674.63
420.00 160000.00 664.82
420.00 140000.00 653.97
420.00 120000.00 641.97
420.00 100000.00 628.24
420.00 90000.00 620.5
420.00 80000.00 612.1
420.00 70000.00 602.84
420.00 60000.00 592.84
420.00 50000.00 581.15
420.00 40000.00 567.85
420.00 30000.00 551.51
420.00 20000.00 530.77
420.00 10000.00 500.48
420.00 5000.00 476.16
420.00 3000.00 461.88
420.00 2000.00 452.61
440.00 200000.00 676.01
440.00 180000.00 666.6
440.00 160000.00 656.44
440.00 140000.00 645.06
440.00 120000.00 632.51
440.00 100000.00 618.08
440.00 90000.00 610.1
440.00 80000.00 601.22
440.00 70000.00 591.44
440.00 60000.00 580.59
440.00 50000.00 568.08
440.00 40000.00 553.42
440.00 30000.00 535.46
440.00 20000.00 511.64
440.00 10000.00 474.4
440.00 5000.00 439.7
440.00 3000.00 412.99
298.14 177400.00 727.57
298.14 101400.00 694.83
298.14 40600.00 656.53
298.14 10200.00 627.35
323.13 196130.00 722.79
323.13 147100.00 703.2
323.13 98070.00 678.79
323.13 49030.00 645.8
368.12 196130.00 703.04
368.12 147100.00 681.34
368.12 98070.00 653.72
320.00 2000.00 595.25
320.00 1000.00 593.5
320.00 502.00 592.61
320.00 315.00 592.25
320.00 210.00 592.07
320.00 199.00 592.04
340.00 1000.00 571.14
340.00 513.00 570.01
340.00 420.00 569.78
340.00 338.00 569.61
360.00 1000.00 545.87
360.00 702.00 545.09
360.00 609.00 544.84
360.00 608.00 544.68
360.00 550.00 544.65
380.00 1001.00 519.03
380.00 962.00 518.87
380.00 857.00 518.44
380.00 846.00 518.39
400.00 2000.00 492.12
400.00 1611.00 489.83
400.00 1506.00 489.2
400.00 1309.00 487.97
400.00 1250.00 487.6
410.00 2000.00 474.02
410.00 1623.00 471.11
410.00 1519.00 470.27
420.00 2000.00 452.93
420.00 1904.00 451.92
420.00 1800.00 450.78
420.00 1789.00 450.66
Reference

Thermal conductivity, W/m/K

Fixed Measured
Temperature, K - Gas Pressure, kPa - Gas Thermal conductivity, W/m/K - Gas
342.97 100.00 0.0195
352.61 100.00 0.0206
375.00 100.00 0.0235
390.75 100.00 0.0257
342.97 200.00 0.0196
352.61 200.00 0.0207
375.00 200.00 0.0236
390.75 200.00 0.0258
342.97 500.00 0.0198
352.61 500.00 0.0209
375.00 500.00 0.0238
390.75 500.00 0.0260
Reference

Correlations

Property Value Unit Temperature (K) Source
Pvap [1.16e-07; 3360.92] kPa [113.25; 460.43] KDB Vapor Pressure Data Show Hide
Equationln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A6.45140e+01
Coefficient B-4.98703e+03
Coefficient C-7.72933e+00
Coefficient D8.65422e-06
Temperature range, min.113.25
Temperature range, max.460.43
Pvap 1.16e-07 kPa 113.25 Calculated Property
Pvap 9.53e-04 kPa 151.83 Calculated Property
Pvap 0.14 kPa 190.40 Calculated Property
Pvap 3.29 kPa 228.98 Calculated Property
Pvap 26.91 kPa 267.55 Calculated Property
Pvap 120.50 kPa 306.13 Calculated Property
Pvap 370.45 kPa 344.70 Calculated Property
Pvap 892.42 kPa 383.28 Calculated Property
Pvap 1828.60 kPa 421.85 Calculated Property
Pvap 3360.92 kPa 460.43 Calculated Property

Similar Compounds

3-methylbutyl radical. 1,2-dimethylpropyl radical. Butane, 2,3-dimethyl-. Pentane, 3-methyl-. Pentane, 2-methyl-. Cyclobutane, methyl-. Pentane, 3-ethyl-. Pentane, 2,4-dimethyl-. Butanenitrile, 2-methyl-. Butane, 2,2-dimethyl-. Pentane, 2,3-dimethyl-. Hexane, 2-methyl-. Pentane, 3-ethyl-2-methyl-. Hexane, 3-methyl-. (S)-(+)-3-methylhexane.

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

Mixtures

Sources

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
Outlier This icon means that the value is more than 2 standard deviations away from the property mean.