Chemical Properties of 2-Butene, 2-methyl- (CAS 513-35-9)

2-Butene, 2-methyl-

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InChI
InChI=1S/C5H10/c1-4-5(2)3/h4H,1-3H3
InChI Key
BKOOMYPCSUNDGP-UHFFFAOYSA-N
Formula
C5H10
SMILES
CC=C(C)C
Molecular Weight1
70.13
CAS
513-35-9
Other Names
  • (CH3)2C=CHCH3
  • 1,1,2-Trimethylethylene
  • 2-Methyl-2-butene
  • 2-Methylbut-2-ene
  • 2-Methylbutene-2
  • 3-Methyl-2-butene
  • Amylene
  • Ethylene, trimethyl-
  • NSC 74118
  • Trimethylethylene
  • UN 2460
  • n-Amylene
  • «beta»-Isoamylene
Sources

Physical Properties

Property Value Unit Source
PAff 808.80 kJ/mol NIST
BasG 779.90 kJ/mol NIST
Δcliquid -3328.60 ± 1.30 kJ/mol NIST
Δf 62.89 kJ/mol Joback Calculated Property
Δfgas -41.50 ± 0.88 kJ/mol NIST
Δfgas -41.00 kJ/mol NIST
Δfliquid -68.60 ± 0.80 kJ/mol NIST
Δfliquid -68.10 ± 1.30 kJ/mol NIST
Δfus 7.60 kJ/mol Joback Calculated Property
Δvap 27.34 kJ/mol NIST
Δvap 27.10 kJ/mol NIST
Δvap 27.10 ± 0.10 kJ/mol NIST
IE [8.67; 8.85] eV Show Hide
IE 8.69 ± 0.01 eV NIST
IE 8.69 eV NIST
IE 8.68 ± 0.02 eV NIST
IE 8.68 ± 0.00 eV NIST
IE 8.70 eV NIST
IE 8.83 ± 0.11 eV NIST
IE 8.72 eV NIST
IE Outlier 8.85 ± 0.04 eV NIST
IE 8.67 ± 0.02 eV NIST
IE 8.68 eV NIST
logPoct/wat 1.97 Crippen Calculated Property
Pc 3420.00 ± 100.00 kPa NIST
liquid 251.20 J/mol×K NIST
liquid 251.04 J/mol×K NIST
liquid 248.90 J/mol×K NIST
Tboil [308.15; 312.00] K Show Hide
Tboil Outlier 309.70 K NIST
Tboil 311.80 K NIST
Tboil 311.70 K NIST
Tboil 310.70 ± 0.70 K NIST
Tboil 311.40 ± 1.50 K NIST
Tboil 311.60 ± 1.00 K NIST
Tboil 311.60 ± 0.50 K NIST
Tboil 311.70 ± 1.50 K NIST
Tboil 311.80 ± 0.60 K NIST
Tboil 312.00 ± 5.00 K NIST
Tboil 311.72 ± 0.30 K NIST
Tboil 311.65 ± 1.00 K NIST
Tboil 311.75 ± 0.60 K NIST
Tboil 311.63 ± 0.10 K NIST
Tboil Outlier 309.65 ± 2.00 K NIST
Tboil 311.50 ± 0.60 K NIST
Tboil 311.75 ± 0.50 K NIST
Tboil 311.65 ± 1.00 K NIST
Tboil 311.75 ± 0.50 K NIST
Tboil Outlier 308.15 ± 2.00 K NIST
Tboil 311.70 ± 0.50 K NIST
Tboil 311.64 ± 0.30 K NIST
Tboil 311.75 ± 0.30 K NIST
Tboil 310.30 ± 0.50 K NIST
Tboil 311.00 ± 2.00 K NIST
Tboil 311.65 ± 0.30 K NIST
Tboil 311.75 ± 1.00 K NIST
Tboil 311.63 ± 0.30 K NIST
Tboil 311.75 ± 0.30 K NIST
Tboil 311.15 ± 1.50 K NIST
Tboil 311.15 ± 1.50 K NIST
Tboil 311.75 ± 1.00 K NIST
Tboil 311.57 ± 0.15 K NIST
Tboil 311.57 ± 0.20 K NIST
Tboil 311.45 ± 0.50 K NIST
Tboil 311.27 ± 1.00 K NIST
Tboil 309.80 ± 1.50 K NIST
Tboil 310.90 ± 1.50 K NIST
Tboil 310.85 ± 1.00 K NIST
Tboil 311.45 ± 0.60 K NIST
Tboil 311.40 ± 2.00 K NIST
Tboil 310.30 ± 0.50 K NIST
Tboil 311.00 ± 3.00 K NIST
Tboil 311.57 ± 0.20 K NIST
Tboil 310.15 ± 2.00 K NIST
Tc 470.00 ± 1.00 K NIST
Tc 481.00 K NIST
Tfus [127.10; 150.00] K Show Hide
Tfus 139.35 ± 0.07 K NIST
Tfus 139.35 ± 0.04 K NIST
Tfus 139.37 ± 0.02 K NIST
Tfus 139.12 ± 0.40 K NIST
Tfus 140.20 ± 0.50 K NIST
Tfus 139.00 ± 1.50 K NIST
Tfus 139.00 ± 1.00 K NIST
Tfus Outlier 127.10 ± 0.70 K NIST
Tfus 150.00 ± 4.00 K NIST
Tfus 146.00 ± 6.00 K NIST
Ttriple [138.90; 139.44] K Show Hide
Ttriple 139.40 ± 0.02 K NIST
Ttriple 139.42 ± 0.05 K NIST
Ttriple 139.44 ± 0.60 K NIST
Ttriple 139.42 ± 0.60 K NIST
Ttriple 138.90 ± 0.20 K NIST
Vc 0.30 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [111.00; 152.05] J/mol×K [319.04; 471.09] Show Hide
Plot of Ideal gas heat capacity.
Cp,gas 111.00 ± 0.33 J/mol×K 319.04 NIST
Cp,gas 122.97 ± 0.37 J/mol×K 362.37 NIST
Cp,gas 133.93 ± 0.40 J/mol×K 402.26 NIST
Cp,gas 143.05 ± 0.43 J/mol×K 436.18 NIST
Cp,gas 152.05 ± 0.46 J/mol×K 471.09 NIST
Cp,liquid 146.40 J/mol×K 293.9 NIST
Cp,liquid 152.80 J/mol×K 298.15 NIST
Cp,liquid 152.80 J/mol×K 298.15 NIST
ΔfusH [7.43; 7.60] kJ/mol [138.90; 139.42] Show Hide
Plot of Enthalpy of fusion at a given temperature.
ΔfusH 7.43 kJ/mol 138.9 NIST
ΔfusH 7.58 kJ/mol 139.4 NIST
ΔfusH 7.59 kJ/mol 139.4 NIST
ΔfusH 7.60 kJ/mol 139.4 NIST
ΔfusH 7.60 kJ/mol 139.42 NIST
ΔvapH [26.30; 28.40] kJ/mol [290.00; 312.00] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 27.50 ± 0.10 kJ/mol 290.0 NIST
ΔvapH 28.40 kJ/mol 307.0 NIST
ΔvapH 28.30 kJ/mol 310.0 NIST
ΔvapH 26.31 kJ/mol 311.7 NIST
ΔvapH 26.30 ± 0.10 kJ/mol 312.0 NIST
ΔfusS 5.35 J/mol×K 138.9 NIST
ΔfusS 54.37 J/mol×K 139.4 NIST
ΔfusS 54.49 J/mol×K 139.42 NIST

Molecular Descriptors

Joback and Reid Groups
-CH3 3
=C< 1
=CH- 1

Similar Compounds

2-Butene, 2,3-dimethyl-. 4-Methyl-1,3-pentadiene. 2-Methylallyl radical. Triisobutylene. 1-Propene, 2-methyl-. Tetraisobutylene. 2-Pentene, 2-methyl-. 2-Pentene, 3-methyl-, (E)-. 2-Pentene, 3-methyl-. 2-Pentene, 3-methyl-, (Z)-. 2-Butene, 1-bromo-3-methyl-. 2,4-Hexadiene, 2-methyl-. 1,3-Pentadiene, 3-methyl-. 1,3-Pentadiene, 3-methyl-, (Z)-. 1,3-Pentadiene, 3-methyl-, (E)-.

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

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