Chemical Properties of 1-Propene, 2-methyl- (CAS 115-11-7)

1-Propene, 2-methyl-

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InChI
InChI=1S/C4H8/c1-4(2)3/h1H2,2-3H3
InChI Key
VQTUBCCKSQIDNK-UHFFFAOYSA-N
Formula
C4H8
SMILES
C=C(C)C
Molecular Weight1
56.11
CAS
115-11-7
Other Names
  • 1,1-Dimethylethene
  • 1,1-Dimethylethylene
  • 2-METHYL PROPENE
  • 2-Methyl-1-propene
  • 2-Methylpropene
  • 2-Methylpropylene
  • 2-methylprop-1-ene
  • ISOBUTYLENE
  • Isobutene
  • Isopropylidenemethylene
  • Methylpropene
  • Propene, 2-methyl-
  • UN 1055
  • iso-C4H8
  • «gamma»-Butylene
  • «gamma»-Butylene
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Physical Properties

Property Value Unit Source
ω 0.1940 KDB
PAff [802.10; 805.00] kJ/mol Show Hide
PAff 802.10 kJ/mol NIST
PAff 802.30 ± 4.80 kJ/mol NIST
PAff 802.30 ± 4.80 kJ/mol NIST
PAff 805.00 ± 6.70 kJ/mol NIST
Tig 738.15 K KDB
AP 288.050 K KDB
BasG [775.60; 776.30] kJ/mol Show Hide
BasG 775.60 kJ/mol NIST
BasG 776.30 ± 2.70 kJ/mol NIST
BasG 776.30 ± 2.70 kJ/mol NIST
Δcgas [-2722.00; -2699.50] kJ/mol Show Hide
Δcgas -2699.50 ± 1.00 kJ/mol NIST
Δcgas -2722.00 kJ/mol NIST
μ 0.50 debye KDB
LFL 1.80 % in Air KDB
UFL 9.60 % in Air KDB
Tflash,oc 197.04 K KDB
Δf 58.11 kJ/mol KDB
Δc,grossH 2679.27 kJ/mol KDB
Δc,netH 2503.204 kJ/mol KDB
Δfgas [-17.90; -16.91] kJ/mol Show Hide
Δfgas -16.91 kJ/mol KDB
Δfgas -17.90 ± 1.10 kJ/mol NIST
Δfus 3.53 kJ/mol Joback Calculated Property
Δvap 20.60 kJ/mol NIST
IE [9.17; 9.45] eV Show Hide
IE 9.22 ± 0.02 eV NIST
IE 9.19 eV NIST
IE 9.24 ± 0.05 eV NIST
IE 9.24 ± 0.02 eV NIST
IE 9.24 ± 0.00 eV NIST
IE 9.19 eV NIST
IE 9.21 eV NIST
IE 9.17 eV NIST
IE 9.23 ± 0.02 eV NIST
IE 9.23 eV NIST
IE 9.41 eV NIST
IE 9.39 eV NIST
IE Outlier 9.45 eV NIST
log10WS [-2.33; -2.33]   Show Hide
log10WS -2.33 Aq. Sol...
log10WS -2.33 Estimat...
logPoct/wat 1.582 Crippen Calculated Property
McVol 62.920 ml/mol McGowan Calculated Property
Pc [4000.00; 4009.80] kPa Show Hide
Pc 4000.00 kPa KDB
Pc 4009.80 kPa Thermod...
Pc 4000.00 ± 10.00 kPa NIST
Pc 4000.31 ± 10.13 kPa NIST
ρc [233.96; 235.09] kg/m3 Show Hide
ρc 235.09 ± 0.56 kg/m3 NIST
ρc 233.96 ± 2.81 kg/m3 NIST
Inp [370.00; 400.00]   Show Hide
Inp 394.00 NIST
Inp 391.00 NIST
Inp 389.00 NIST
Inp 390.00 NIST
Inp 390.00 NIST
Inp 390.00 NIST
Inp 380.00 NIST
Inp 383.00 NIST
Inp 383.00 NIST
Inp 383.00 NIST
Inp 384.00 NIST
Inp 390.00 NIST
Inp 382.00 NIST
Inp 392.00 NIST
Inp 391.00 NIST
Inp 384.00 NIST
Inp 383.00 NIST
Inp Outlier 400.00 NIST
Inp 385.00 NIST
Inp Outlier 370.00 NIST
Inp 388.00 NIST
Inp 386.00 NIST
Inp 384.00 NIST
Inp 390.00 NIST
Inp 383.00 NIST
Inp 387.00 NIST
Inp 388.00 NIST
Inp 390.00 NIST
Inp 390.00 NIST
Inp 383.00 NIST
I [427.00; 438.00]   Show Hide
I 438.00 NIST
I 427.00 NIST
gas 293.59 J/mol×K NIST
liquid 194.00 J/mol×K NIST
Tboil [266.20; 269.15] K Show Hide
Tboil 266.20 K KDB
Tboil 266.26 K NIST
Tboil 266.30 K NIST
Tboil 268.15 ± 1.50 K NIST
Tboil 267.15 ± 1.50 K NIST
Tboil Outlier 268.65 ± 1.50 K NIST
Tboil 266.40 ± 0.50 K NIST
Tboil 267.15 ± 1.00 K NIST
Tboil 267.15 ± 1.00 K NIST
Tboil 266.55 ± 0.70 K NIST
Tboil 266.35 ± 0.50 K NIST
Tboil 266.65 ± 2.00 K NIST
Tboil 266.26 ± 0.55 K NIST
Tboil 266.55 ± 0.30 K NIST
Tboil 266.22 ± 0.20 K NIST
Tboil 267.15 ± 2.00 K NIST
Tboil 267.15 ± 2.00 K NIST
Tboil 266.55 ± 1.00 K NIST
Tboil 266.45 ± 0.50 K NIST
Tboil 267.15 ± 2.00 K NIST
Tboil 266.85 ± 1.00 K NIST
Tboil 266.20 ± 0.50 K NIST
Tboil 267.15 ± 1.50 K NIST
Tboil 266.35 ± 0.20 K NIST
Tboil 266.55 ± 0.50 K NIST
Tboil 266.55 ± 2.00 K NIST
Tboil 267.15 ± 2.00 K NIST
Tboil Outlier 269.15 ± 2.00 K NIST
Tboil 267.15 ± 2.00 K NIST
Tc [417.88; 420.15] K Show Hide
Tc 417.90 K KDB
Tc 417.90 ± 0.10 K NIST
Tc 417.88 ± 0.10 K NIST
Tc 420.15 ± 2.00 K NIST
Tfus [125.40; 132.95] K Show Hide
Tfus 132.70 K KDB
Tfus 132.95 K Aq. Sol...
Tfus 132.38 K NIST
Tfus 132.45 ± 0.30 K NIST
Tfus 125.40 ± 0.50 K NIST
Ttriple 132.40 ± 0.20 K NIST
Vc [0.239; 0.239] m3/kmol Show Hide
Vc 0.239 m3/kmol KDB
Vc 0.239 m3/kmol NIST
Zc 0.2751370 KDB
Zra 0.27 KDB

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [75.86; 100.25] J/mol×K [239.15; 353.15] Show Hide
Cp,gas 75.86 ± 0.38 J/mol×K 239.15 NIST
Cp,gas 82.89 ± 0.41 J/mol×K 272.15 NIST
Cp,gas 91.67 ± 0.46 J/mol×K 312.15 NIST
Cp,gas 100.25 ± 0.50 J/mol×K 353.15 NIST
Cp,liquid [121.30; 121.42] J/mol×K [253.10; 266.26] Show Hide
Cp,liquid 121.42 J/mol×K 253.10 NIST
Cp,liquid 121.30 J/mol×K 266.26 NIST
ΔfusH [5.92; 5.92] kJ/mol [132.40; 132.40] Show Hide
ΔfusH 5.92 kJ/mol 132.40 NIST
ΔfusH 5.92 kJ/mol 132.40 NIST
ΔfusH 5.92 kJ/mol 132.40 NIST
ΔvapH [22.12; 23.10] kJ/mol [244.50; 394.50] Show Hide
ΔvapH 22.80 kJ/mol 244.50 NIST
ΔvapH 23.10 kJ/mol 245.50 NIST
ΔvapH 22.12 kJ/mol 266.30 KDB
ΔvapH 22.70 kJ/mol 289.50 NIST
ΔvapH 22.20 kJ/mol 343.00 NIST
ΔvapH 22.20 kJ/mol 350.50 NIST
ΔvapH 22.30 kJ/mol 394.50 NIST
Pvap [133.00; 1546.60] kPa [273.15; 364.52] Show Hide
Pvap 133.00 kPa 273.15 (Vapour...
Pvap 133.00 kPa 273.15 Vapor l...
Pvap 223.00 kPa 288.15 Vapor-L...
Pvap 224.00 kPa 288.15 Vapor l...
Pvap 224.00 kPa 288.15 (Vapour...
Pvap 353.00 kPa 303.15 Vapor l...
Pvap 352.00 kPa 303.15 Vapor-L...
Pvap 353.00 kPa 303.15 (Vapour...
Pvap 413.70 kPa 308.13 Vapor-L...
Pvap 467.10 kPa 312.59 Phase e...
Pvap 466.10 kPa 312.59 Vapour ...
Pvap 465.30 kPa 312.60 Isother...
Pvap 536.00 kPa 318.15 Vapor-L...
Pvap 538.00 kPa 318.15 (Vapour...
Pvap 538.00 kPa 318.15 Vapor l...
Pvap 542.10 kPa 318.35 Vapor-L...
Pvap 538.15 kPa 318.40 Vapour ...
Pvap 605.14 kPa 322.79 Isother...
Pvap 607.94 kPa 323.07 Vapor-L...
Pvap 608.94 kPa 323.11 Isother...
Pvap 608.84 kPa 323.14 Isother...
Pvap 609.14 kPa 323.14 Isother...
Pvap 611.04 kPa 323.15 Isother...
Pvap 787.00 kPa 333.15 Vapor l...
Pvap 785.00 kPa 333.15 Vapor-L...
Pvap 787.00 kPa 333.15 (Vapour...
Pvap 855.50 kPa 336.84 Vapor-L...
Pvap 1054.90 kPa 346.14 Vapor-L...
Pvap 1107.00 kPa 348.15 Vapor-L...
Pvap 1110.00 kPa 348.15 Vapor l...
Pvap 1110.00 kPa 348.15 (Vapour...
Pvap 1154.30 kPa 350.43 Vapor-L...
Pvap 1515.00 kPa 363.15 Vapor-L...
Pvap 1546.00 kPa 364.49 Isother...
Pvap 1546.50 kPa 364.51 Isother...
Pvap 1546.60 kPa 364.51 Isother...
Pvap 1546.20 kPa 364.51 Vapor L...
Pvap 1546.30 kPa 364.52 Isother...
ρl 594.00 kg/m3 293.00 KDB
ΔfusS 44.71 J/mol×K 132.40 NIST

Correlations

Property Value Unit Temperature (K) Source
Pvap [1.33; 202.66] kPa [191.15; 285.02] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.40957e+01
Coefficient B-2.26626e+03
Coefficient C-2.70260e+01
Temperature range, min.191.15
Temperature range, max.285.02
Pvap 1.33 kPa 191.15 Calculated Property
Pvap 3.04 kPa 201.58 Calculated Property
Pvap 6.33 kPa 212.01 Calculated Property
Pvap 12.16 kPa 222.44 Calculated Property
Pvap 21.89 kPa 232.87 Calculated Property
Pvap 37.23 kPa 243.30 Calculated Property
Pvap 60.29 kPa 253.73 Calculated Property
Pvap 93.58 kPa 264.16 Calculated Property
Pvap 139.97 kPa 274.59 Calculated Property
Pvap 202.66 kPa 285.02 Calculated Property
Pvap [6.66e-04; 4013.56] kPa [132.81; 417.90] KDB Vap... Show Hide
Equationln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A6.75294e+01
Coefficient B-4.53316e+03
Coefficient C-8.37142e+00
Coefficient D1.22482e-05
Temperature range, min.132.81
Temperature range, max.417.90
Pvap 6.66e-04 kPa 132.81 Calculated Property
Pvap 0.09 kPa 164.49 Calculated Property
Pvap 2.01 kPa 196.16 Calculated Property
Pvap 16.84 kPa 227.84 Calculated Property
Pvap 77.59 kPa 259.52 Calculated Property
Pvap 244.97 kPa 291.19 Calculated Property
Pvap 603.20 kPa 322.87 Calculated Property
Pvap 1256.40 kPa 354.55 Calculated Property
Pvap 2334.76 kPa 386.22 Calculated Property
Pvap 4013.56 kPa 417.90 Calculated Property

Similar Compounds

2-Methylallyl radical. 1-Bromo-2-methylpropene. 1-Propene, 1-chloro-2-methyl-. Methylacrylonitrile. Methacrolein. 1-Propene, 3-chloro-2-methyl-. Dimethylketene. 3-methyl-2-butenenitrile. 2-Butene, 2-methyl-. 1-Buten-3-yne, 2-methyl-. 1-Propene, 1,1-dichloro-2-methyl-. 1,2-Butadiene, 3-methyl-. Isoprene. 2-Butene, 2,3-dimethyl-. 1,2-Butadienone, 3-methyl-.

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Mixtures

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Sources

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