Chemical Properties of 2-Methyl-1-butene (CAS 563-46-2)

2-Methyl-1-butene

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InChI
InChI=1S/C5H10/c1-4-5(2)3/h2,4H2,1,3H3
InChI Key
MHNNAWXXUZQSNM-UHFFFAOYSA-N
Formula
C5H10
SMILES
C=C(C)CC
Molecular Weight1
70.13
CAS
563-46-2
Other Names
  • .gamma.-isoamylene
  • 1-Butene, 2-methyl-
  • 1-Isoamylene
  • 2-Methylbutene-1
  • 2-methylbut-1-ene
  • C2H5C(CH3)=CH2
  • Isopentene
  • UN 2371
  • UN 2459
  • «gamma»-Isoamylene
  • «gamma»-Isoamylene

Physical Properties

Property Value Unit Source
Δcliquid -3335.74 ± 0.80 kJ/mol NIST
Δf 70.51 kJ/mol Joback Calculated Property
Δfgas [-35.10; -34.80] kJ/mol Show Hide
Δfgas -35.10 ± 0.84 kJ/mol NIST
Δfgas -34.80 kJ/mol NIST
Δfliquid -60.96 ± 0.84 kJ/mol NIST
Δfus 6.12 kJ/mol Joback Calculated Property
Δvap [25.90; 26.19] kJ/mol Show Hide
Δvap 26.19 kJ/mol NIST
Δvap 25.90 kJ/mol NIST
Δvap 25.90 ± 0.10 kJ/mol NIST
IE [9.10; 9.35] eV Show Hide
IE 9.12 ± 0.01 eV NIST
IE 9.10 eV NIST
IE 9.15 ± 0.00 eV NIST
IE 9.12 eV NIST
IE Outlier 9.35 ± 0.08 eV NIST
IE 9.12 ± 0.02 eV NIST
IE 9.12 ± 0.02 eV NIST
IE 9.20 ± 0.10 eV NIST
log10WS [-2.73; -2.73]   Show Hide
log10WS -2.73 Aq. Sol...
log10WS -2.73 Estimat...
logPoct/wat 1.973 Crippen Calculated Property
McVol 77.010 ml/mol McGowan Calculated Property
Pc 3652.00 kPa Vapor P...
ρc 245.40 kg/m3 Vapor P...
Inp [480.00; 523.00]   Show Hide
Inp 495.60 NIST
Inp 488.20 NIST
Inp 490.00 NIST
Inp 490.00 NIST
Inp 491.00 NIST
Inp 495.00 NIST
Inp 495.00 NIST
Inp 494.00 NIST
Inp 487.90 NIST
Inp 488.10 NIST
Inp 488.20 NIST
Inp 488.48 NIST
Inp 488.00 NIST
Inp 488.00 NIST
Inp 493.00 NIST
Inp 488.00 NIST
Inp 488.00 NIST
Inp 487.63 NIST
Inp 487.00 NIST
Inp 500.00 NIST
Inp 500.00 NIST
Inp 486.00 NIST
Inp 488.00 NIST
Inp 488.00 NIST
Inp 489.00 NIST
Inp 489.00 NIST
Inp 497.00 NIST
Inp 486.00 NIST
Inp 499.00 NIST
Inp 500.00 NIST
Inp 496.80 NIST
Inp 497.00 NIST
Inp 494.40 NIST
Inp 496.00 NIST
Inp 493.58 NIST
Inp 493.79 NIST
Inp 494.00 NIST
Inp 487.80 NIST
Inp Outlier 523.00 NIST
Inp 488.00 NIST
Inp 488.00 NIST
Inp Outlier 506.00 NIST
Inp 495.00 NIST
Inp 496.00 NIST
Inp Outlier 480.00 NIST
Inp 495.00 NIST
Inp 493.00 NIST
Inp 493.00 NIST
Inp 495.00 NIST
Inp 493.00 NIST
Inp 489.00 NIST
Inp 496.00 NIST
Inp 488.00 NIST
Inp 497.00 NIST
Inp 494.00 NIST
Inp 496.00 NIST
Inp 494.00 NIST
Inp 493.00 NIST
Inp 487.00 NIST
Inp 493.00 NIST
Inp 487.00 NIST
I [534.00; 575.00]   Show Hide
I 545.00 NIST
I 534.00 NIST
I 575.00 NIST
liquid [253.97; 254.00] J/mol×K Show Hide
liquid 254.00 J/mol×K NIST
liquid 253.97 J/mol×K NIST
Tboil [303.45; 311.00] K Show Hide
Tboil 304.40 K NIST
Tboil 304.30 K NIST
Tboil 304.20 ± 1.00 K NIST
Tboil 304.60 ± 0.50 K NIST
Tboil 304.20 ± 0.40 K NIST
Tboil 304.20 ± 0.60 K NIST
Tboil 304.31 ± 0.30 K NIST
Tboil 303.50 ± 2.50 K NIST
Tboil 304.50 ± 2.00 K NIST
Tboil 304.40 ± 0.30 K NIST
Tboil 304.35 ± 0.50 K NIST
Tboil 304.65 ± 0.50 K NIST
Tboil 304.05 ± 0.50 K NIST
Tboil 304.10 ± 0.50 K NIST
Tboil 304.15 ± 1.00 K NIST
Tboil 304.20 ± 0.40 K NIST
Tboil 304.20 ± 0.30 K NIST
Tboil 304.27 ± 0.40 K NIST
Tboil 304.20 ± 0.15 K NIST
Tboil 304.20 ± 0.30 K NIST
Tboil 304.30 ± 0.30 K NIST
Tboil 304.27 ± 0.30 K NIST
Tboil 304.15 ± 1.00 K NIST
Tboil 304.05 ± 1.00 K NIST
Tboil 304.15 ± 0.30 K NIST
Tboil 304.20 ± 0.15 K NIST
Tboil 304.20 ± 0.20 K NIST
Tboil 305.10 ± 1.50 K NIST
Tboil 304.50 ± 1.00 K NIST
Tboil 303.65 ± 2.00 K NIST
Tboil 305.00 ± 3.00 K NIST
Tboil Outlier 311.00 ± 2.00 K NIST
Tboil 303.45 ± 3.00 K NIST
Tboil 304.15 ± 2.00 K NIST
Tboil Outlier 307.15 ± 2.00 K NIST
Tboil 306.15 ± 2.00 K NIST
Tboil 305.15 ± 2.00 K NIST
Tboil 304.65 ± 2.00 K NIST
Tc [467.90; 470.00] K Show Hide
Tc 467.90 K Vapor P...
Tc 470.00 K NIST
Tfus 135.77 K Aq. Sol...
Ttriple [135.60; 135.62] K Show Hide
Ttriple 135.60 ± 0.02 K NIST
Ttriple 135.62 ± 0.02 K NIST
Vc 0.297 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [116.15; 165.35] J/mol×K [320.66; 502.21] Show Hide
Cp,gas 116.15 ± 0.35 J/mol×K 320.66 NIST
Cp,gas 128.37 ± 0.39 J/mol×K 362.51 NIST
Cp,gas 140.62 ± 0.42 J/mol×K 407.11 NIST
Cp,gas 153.13 ± 0.46 J/mol×K 453.41 NIST
Cp,gas 165.35 ± 0.50 J/mol×K 502.21 NIST
Cp,liquid [157.19; 157.30] J/mol×K [298.15; 298.15] Show Hide
Cp,liquid 157.30 J/mol×K 298.15 NIST
Cp,liquid 157.19 J/mol×K 298.15 NIST
ΔfusH [5.36; 7.91] kJ/mol [104.70; 135.62] Show Hide
ΔfusH 5.36 kJ/mol 104.70 NIST
ΔfusH 7.91 kJ/mol 135.60 NIST
ΔfusH 7.91 kJ/mol 135.60 NIST
ΔfusH 7.91 kJ/mol 135.62 NIST
ΔvapH [25.50; 28.50] kJ/mol [288.00; 305.00] Show Hide
ΔvapH 28.50 kJ/mol 288.00 NIST
ΔvapH 25.50 ± 0.10 kJ/mol 304.00 NIST
ΔvapH 25.50 kJ/mol 304.30 NIST
ΔvapH 27.30 kJ/mol 305.00 NIST
Pvap [85.00; 3652.00] kPa [299.27; 467.90] Show Hide
Pvap 85.00 kPa 299.27 Vapor P...
Pvap 190.00 kPa 323.65 Vapor P...
Pvap 312.00 kPa 341.18 Vapor P...
Pvap 431.00 kPa 353.77 Vapor P...
Pvap 579.00 kPa 366.06 Vapor P...
Pvap 608.00 kPa 368.18 Vapor P...
Pvap 717.00 kPa 375.63 Vapor P...
Pvap 898.00 kPa 386.21 Vapor P...
Pvap 1149.00 kPa 398.50 Vapor P...
Pvap 1402.00 kPa 409.28 Vapor P...
Pvap 1695.00 kPa 419.65 Vapor P...
Pvap 1985.00 kPa 429.02 Vapor P...
Pvap 2065.00 kPa 431.24 Vapor P...
Pvap 2316.00 kPa 438.39 Vapor P...
Pvap 2723.00 kPa 448.46 Vapor P...
Pvap 3118.00 kPa 457.43 Vapor P...
Pvap 3271.00 kPa 460.55 Vapor P...
Pvap 3409.00 kPa 463.37 Vapor P...
Pvap 3523.00 kPa 465.49 Vapor P...
Pvap 3652.00 kPa 467.90 Vapor P...
ΔfusS [58.33; 58.34] J/mol×K [135.60; 135.62] Show Hide
ΔfusS 58.34 J/mol×K 135.60 NIST
ΔfusS 58.33 J/mol×K 135.62 NIST

Similar Compounds

Butyl, 2-methylene-. Pentane, 3-methylene-. 2-Pentene, 3-methyl-, (Z)-. 2-Pentene, 3-methyl-. 2-Pentene, 3-methyl-, (Z)-. 2-Ethylacrolein. 1-Butene, 1-chloro-2-methyl-. 1-Butene, 2-(chloromethyl)-. Cyclobutane, methylene-. 1-Butene, 4-chloro-2-methyl-. 1-Pentene, 2-methyl-. 2-Methyl-4-bromo-1-butene. Butanenitrile, 2-methylene-. 1-Butene, 2,3-dimethyl-. 1,5-Hexadiene, 2,5-dimethyl-.

Find more compounds similar to 2-Methyl-1-butene.

Sources

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.