Chemical Properties of Pentane, 3-ethyl-3-methyl- (CAS 1067-08-9)

Pentane, 3-ethyl-3-methyl-

InChI
InChI=1S/C8H18/c1-5-8(4,6-2)7-3/h5-7H2,1-4H3
InChI Key
GIEZWIDCIFCQPS-UHFFFAOYSA-N
Formula
C8H18
SMILES
CCC(C)(CC)CC
Molecular Weight1
114.23
CAS
1067-08-9
Other Names
  • 3-Ethyl-3-methylpentane
  • 3-Methyl-3-ethylpentane
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Physical Properties

Property Value Unit Source
ω [0.3009; 0.3050]   Show Hide
ω 0.3009 PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
ω 0.3037 Passut and Danner (1973), critical constants and acentric factors Compiled value
ω 0.3050 ChemSep v8.3 pure component data Compiled value
ω 0.3030 KDB
AP 339.050 K KDB
ΔcH°liquid -5467.70 ± 1.10 kJ/mol NIST
μ 0.00 debye ChemSep v8.3 pure component data Compiled value
ΔfG° [19.93; 22.88] kJ/mol Show Hide
ΔfG° 22.88 kJ/mol ChemSep v8.3 pure component data Compiled value
ΔfG° 19.93 kJ/mol KDB
Δc,grossH 5467.65 kJ/mol KDB
Δc,netH 5071.510 kJ/mol KDB
ΔfH°gas [-215.10; -214.85] kJ/mol Show Hide
ΔfH°gas -214.85 kJ/mol ChemSep v8.3 pure component data Compiled value
ΔfH°gas -215.10 kJ/mol KDB
ΔfH°gas -215.00 ± 1.30 kJ/mol NIST
ΔfH°liquid -253.00 ± 1.30 kJ/mol NIST
ΔfusH° 9.06 kJ/mol Joback Calculated Property
ΔvapH° [37.98; 38.05] kJ/mol Show Hide
ΔvapH° 38.05 kJ/mol NIST
ΔvapH° 38.00 kJ/mol NIST
ΔvapH° 38.00 ± 0.10 kJ/mol NIST
ΔvapH° 37.98 kJ/mol NIST
IE 9.56 eV Relay (1.0) Calculated Property
log10WS -4.27 Relay (1.0) Calculated Property
logPoct/wat 3.223 Crippen Calculated Property
McVol 123.580 ml/mol McGowan Calculated Property
Pc [2807.30; 2810.00] kPa Show Hide
Pc 2810.00 kPa IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 5 Compiled value
Pc 2809.74 kPa PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Pc 2807.55 kPa Passut and Danner (1973), critical constants and acentric factors Compiled value
Pc 2810.00 kPa ChemSep v8.3 pure component data Compiled value
Pc 2810.00 kPa KDB
Pc 2810.00 ± 40.00 kPa NIST
Pc 2807.30 ± 40.53 kPa NIST
Ptriple 6.25e-05 kPa ChemSep v8.3 pure component data Compiled value
ρc [251.30; 251.30] kg/m3 Show Hide
ρc 251.30 ± 4.57 kg/m3 NIST
ρc 251.30 ± 4.57 kg/m3 NIST
Inp [763.06; 783.00]   Show Hide
Inp 765.00 NIST
Inp 769.00 NIST
Inp 772.00 NIST
Inp 773.80 NIST
Inp 776.90 NIST
Inp 768.40 NIST
Inp 769.30 NIST
Inp 770.20 NIST
Inp 771.20 NIST
Inp 772.00 NIST
Inp 772.20 NIST
Inp 769.00 NIST
Inp 769.00 NIST
Inp 769.00 NIST
Inp 780.00 NIST
Inp 780.00 NIST
Inp 778.60 NIST
Inp 776.00 NIST
Inp 774.00 NIST
Inp 778.00 NIST
Inp 774.10 NIST
Inp 781.00 NIST
Inp 769.00 NIST
Inp 780.00 NIST
Inp 772.00 NIST
Inp 769.00 NIST
Inp 774.00 NIST
Inp 777.00 NIST
Inp 781.00 NIST
Inp 770.00 NIST
Inp 774.00 NIST
Inp 778.00 NIST
Inp 772.00 NIST
Inp 775.00 NIST
Inp 778.00 NIST
Inp 764.00 NIST
Inp 766.50 NIST
Inp 768.40 NIST
Inp 765.42 NIST
Inp 766.00 NIST
Inp 763.06 NIST
Inp 765.47 NIST
Inp 766.94 NIST
Inp 764.38 NIST
Inp 766.76 NIST
Inp 768.22 NIST
Inp 764.00 NIST
Inp 774.00 NIST
Inp Outlier 783.00 NIST
Inp 778.00 NIST
Inp 773.00 NIST
Inp 770.00 NIST
Inp 768.00 NIST
Inp 770.00 NIST
Inp 781.00 NIST
Inp 774.00 NIST
Inp 776.00 NIST
Inp 766.00 NIST
Inp 765.00 NIST
Inp 764.00 NIST
Inp 768.40 NIST
Inp 766.94 NIST
Inp 774.00 NIST
Inp 781.00 NIST
Inp 764.00 NIST
Tboil [391.18; 391.95] K Show Hide
Tboil 391.42 K ChemSep v8.3 pure component data Compiled value
Tboil 391.42 K KDB
Tboil 391.40 K NIST
Tboil 391.40 K NIST
Tboil 391.41 ± 0.20 K NIST
Tboil 391.53 ± 0.20 K NIST
Tboil 391.60 ± 0.30 K NIST
Tboil 391.20 ± 0.30 K NIST
Tboil 391.43 ± 0.20 K NIST
Tboil Outlier 391.95 ± 0.30 K NIST
Tboil 391.18 ± 0.30 K NIST
Tboil 391.43 ± 0.15 K NIST
Tboil 391.43 ± 0.30 K NIST
Tboil 391.40 ± 0.02 K NIST
Tboil 391.41 ± 0.05 K NIST
Tboil 391.65 ± 0.30 K NIST
Tboil 391.55 ± 0.60 K NIST
Tboil 391.50 ± 0.20 K NIST
Tboil 391.55 ± 0.20 K NIST
Tc [576.50; 576.58] K Show Hide
Tc 576.50 K IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 5 Compiled value
Tc 576.50 K PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tc Outlier 576.58 K Passut and Danner (1973), critical constants and acentric factors Compiled value
Tc 576.50 K ChemSep v8.3 pure component data Compiled value
Tc 576.50 K KDB
Tc 576.50 ± 0.50 K NIST
Tc 576.50 K NIST
Tc 576.51 ± 0.40 K NIST
Tfus [182.05; 183.45] K Show Hide
Tfus 182.20 K Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Tfus 182.28 K ChemSep v8.3 pure component data Compiled value
Tfus 182.20 K KDB
Tfus 182.65 ± 0.30 K NIST
Tfus 182.68 ± 0.20 K NIST
Tfus 183.12 ± 0.30 K NIST
Tfus 182.22 ± 0.20 K NIST
Tfus 182.24 ± 0.02 K NIST
Tfus 182.26 ± 0.05 K NIST
Tfus 182.26 ± 0.04 K NIST
Tfus 182.28 ± 0.02 K NIST
Tfus Outlier 183.45 ± 0.40 K NIST
Tfus 182.25 ± 0.40 K NIST
Tfus 182.05 ± 0.40 K NIST
Tfus 182.25 ± 0.40 K NIST
Ttriple 182.28 K ChemSep v8.3 pure component data Compiled value
UQi 5.01 ChemSep v8.3 pure component data Compiled value
URi 5.85 ChemSep v8.3 pure component data Compiled value
Vc [0.455; 0.455] m3/kmol Show Hide
Vc 0.455 m3/kmol IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 5 Compiled value
Vc 0.455 m3/kmol PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Vc 0.455 m3/kmol ChemSep v8.3 pure component data Compiled value
Vc 0.455 m3/kmol KDB
Vc 0.455 m3/kmol NIST
Zc [0.2660000; 0.2670000]   Show Hide
Zc 0.2660000 IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 5 Compiled value
Zc 0.2670000 ChemSep v8.3 pure component data Compiled value
Zc 0.2667360 KDB
Zra 0.27 ChemSep v8.3 pure component data Compiled value

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [247.27; 303.76] J/mol×K [403.30; 521.70] Show Hide
Cp,gas 247.27 J/mol×K 403.30 NIST
Cp,gas 275.73 J/mol×K 462.60 NIST
Cp,gas 303.76 J/mol×K 521.70 NIST
ΔvapH [32.78; 40.20] kJ/mol [320.00; 391.40] Show Hide
ΔvapH 40.20 kJ/mol 320.00 NIST
ΔvapH 36.90 kJ/mol 352.50 NIST
ΔvapH 32.79 kJ/mol 391.40 KDB
ΔvapH 32.78 kJ/mol 391.40 NIST
n0 1.40549 298.15 KDB
ρl 727.00 kg/m3 293.00 KDB

Correlations

Property Value Unit Temperature (K) Source
Cp,gas [107.33; 529.35] J/mol×K [150.00; 1500.00] ChemSep v8.3 pure component data Compiled value Show Hide
EquationY = A + exp(B/T + C + D·T + E·T²)
Y is Cp,gas in J/mol×K, T in K
Coefficient A8.97150e+01
Coefficient B-5.09110e+02
Coefficient C6.22724e+00
Coefficient D2.48580e-04
Coefficient E-7.76700e-08
Temperature range, min.150.00
Temperature range, max.1500.00
Cp,gas 107.33 J/mol×K 150.00 Calculated Property
Cp,gas 188.98 J/mol×K 300.00 Calculated Property
Cp,gas 269.55 J/mol×K 450.00 Calculated Property
Cp,gas 334.39 J/mol×K 600.00 Calculated Property
Cp,gas 385.96 J/mol×K 750.00 Calculated Property
Cp,gas 427.49 J/mol×K 900.00 Calculated Property
Cp,gas 461.29 J/mol×K 1050.00 Calculated Property
Cp,gas 488.91 J/mol×K 1200.00 Calculated Property
Cp,gas 511.36 J/mol×K 1350.00 Calculated Property
Cp,gas 529.35 J/mol×K 1500.00 Calculated Property
Property Value Unit Temperature (K) Source
Cp,liquid [204.10; 291.08] J/mol×K [201.78; 381.78] ChemSep v8.3 pure component data Compiled value Show Hide
EquationY = A + exp(B/T + C + D·T + E·T²)
Y is Cp,liquid in J/mol×K, T in K
Coefficient A7.77690e+01
Coefficient B1.72950e+02
Coefficient C2.27424e+00
Coefficient D1.02100e-02
Coefficient E-8.66150e-06
Temperature range, min.201.78
Temperature range, max.381.78
Cp,liquid 204.10 J/mol×K 201.78 Calculated Property
Cp,liquid 211.04 J/mol×K 221.78 Calculated Property
Cp,liquid 219.20 J/mol×K 241.78 Calculated Property
Cp,liquid 228.29 J/mol×K 261.78 Calculated Property
Cp,liquid 238.11 J/mol×K 281.78 Calculated Property
Cp,liquid 248.43 J/mol×K 301.78 Calculated Property
Cp,liquid 259.09 J/mol×K 321.78 Calculated Property
Cp,liquid 269.88 J/mol×K 341.78 Calculated Property
Cp,liquid 280.61 J/mol×K 361.78 Calculated Property
Cp,liquid 291.08 J/mol×K 381.78 Calculated Property
Property Value Unit Temperature (K) Source
η [0.0052388; 0.0001986] Pa×s [182.28; 400.00] ChemSep v8.3 pure component data Compiled value Show Hide
EquationY = exp(A + B/T + C·ln(T) + D·T^E)
Y is η in Pa×s, T in K
Coefficient A-1.85900e+01
Coefficient B1.27030e+03
Coefficient C1.24670e+00
Coefficient D-3.62260e-06
Coefficient E2.00000e+00
Temperature range, min.182.28
Temperature range, max.400.00
η 0.0052388 Pa×s 182.28 Calculated Property
η 0.0026140 Pa×s 206.47 Calculated Property
η 0.0015150 Pa×s 230.66 Calculated Property
η 0.0009748 Pa×s 254.85 Calculated Property
η 0.0006761 Pa×s 279.04 Calculated Property
η 0.0004956 Pa×s 303.24 Calculated Property
η 0.0003787 Pa×s 327.43 Calculated Property
η 0.0002986 Pa×s 351.62 Calculated Property
η 0.0002413 Pa×s 375.81 Calculated Property
η 0.0001986 Pa×s 400.00 Calculated Property
Property Value Unit Temperature (K) Source
ΔvapH [44.83; 0.00] kJ/mol [182.28; 576.50] ChemSep v8.3 pure component data Compiled value Show Hide
EquationY = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc
Y is ΔvapH in kJ/mol, T in K
Coefficient A6.37750e+01
Coefficient B1.51940e+00
Coefficient C-2.45690e+00
Coefficient D2.06870e+00
Coefficient E-6.93750e-01
Critical temperature, Tc (K)5.76500e+02
Temperature range, min.182.28
Temperature range, max.576.50
ΔvapH 44.83 kJ/mol 182.28 Calculated Property
ΔvapH 42.14 kJ/mol 226.08 Calculated Property
ΔvapH 39.68 kJ/mol 269.88 Calculated Property
ΔvapH 37.29 kJ/mol 313.69 Calculated Property
ΔvapH 34.80 kJ/mol 357.49 Calculated Property
ΔvapH 32.06 kJ/mol 401.29 Calculated Property
ΔvapH 28.85 kJ/mol 445.09 Calculated Property
ΔvapH 24.84 kJ/mol 488.90 Calculated Property
ΔvapH 19.08 kJ/mol 532.70 Calculated Property
ΔvapH 0.00 kJ/mol 576.50 Calculated Property
Property Value Unit Temperature (K) Source
Pvap [1.33; 202.66] kPa [282.74; 418.63] The Yaws Handbook of Vapor Pressure Show Hide
Equationln(Y) = A + B/(T + C)
Y is Pvap in kPa, T in K
Coefficient A1.42156e+01
Coefficient B-3.35442e+03
Coefficient C-4.19010e+01
Temperature range, min.282.74
Temperature range, max.418.63
Pvap 1.33 kPa 282.74 Calculated Property
Pvap 3.03 kPa 297.84 Calculated Property
Pvap 6.29 kPa 312.94 Calculated Property
Pvap 12.09 kPa 328.04 Calculated Property
Pvap 21.76 kPa 343.14 Calculated Property
Pvap 37.02 kPa 358.23 Calculated Property
Pvap 60.02 kPa 373.33 Calculated Property
Pvap 93.28 kPa 388.43 Calculated Property
Pvap 139.74 kPa 403.53 Calculated Property
Pvap 202.66 kPa 418.63 Calculated Property
Pvap [6.27e-05; 2795.70] kPa [182.28; 576.50] ChemSep v8.3 pure component data Compiled value Show Hide
EquationY = exp(A + B/T + C·ln(T) + D·T^E)
Y is Pvap in kPa, T in K
Coefficient A7.88689e+01
Coefficient B-7.09792e+03
Coefficient C-9.57222e+00
Coefficient D6.70781e-06
Coefficient E2.00000e+00
Temperature range, min.182.28
Temperature range, max.576.50
Pvap 6.27e-05 kPa 182.28 Calculated Property
Pvap 0.02 kPa 226.08 Calculated Property
Pvap 0.59 kPa 269.88 Calculated Property
Pvap 6.53 kPa 313.69 Calculated Property
Pvap 36.42 kPa 357.49 Calculated Property
Pvap 131.49 kPa 401.29 Calculated Property
Pvap 356.61 kPa 445.09 Calculated Property
Pvap 797.39 kPa 488.90 Calculated Property
Pvap 1562.36 kPa 532.70 Calculated Property
Pvap 2795.70 kPa 576.50 Calculated Property
Pvap [6.27e-05; 2791.95] kPa [182.28; 576.50] KDB Vapor Pressure Data Show Hide
Equationln(Y) = A + B/T + C·ln(T) + D·T² + E/T²
Y is Pvap in kPa, T in K
Coefficient A7.90694e+01
Coefficient B-7.10610e+03
Coefficient C-9.60229e+00
Coefficient D6.71857e-06
Coefficient E0.00000e+00
Temperature range, min.182.28
Temperature range, max.576.50
Pvap 6.27e-05 kPa 182.28 Calculated Property
Pvap 0.02 kPa 226.08 Calculated Property
Pvap 0.59 kPa 269.88 Calculated Property
Pvap 6.55 kPa 313.69 Calculated Property
Pvap 36.50 kPa 357.49 Calculated Property
Pvap 131.69 kPa 401.29 Calculated Property
Pvap 356.90 kPa 445.09 Calculated Property
Pvap 797.45 kPa 488.90 Calculated Property
Pvap 1561.34 kPa 532.70 Calculated Property
Pvap 2791.95 kPa 576.50 Calculated Property
Pvap [0.13; 101.68] kPa [249.30; 391.50] NIST Show Hide
Equationln(Y) = A + B/(T + C)
Y is Pvap in kPa, T in K
Coefficient A1.39264e+01
Coefficient B-3.17787e+03
Coefficient C-4.99630e+01
ReferenceStull, 1947
CommentCoefficents calculated by NIST from author's data.
Temperature range, min.249.30
Temperature range, max.391.50
Pvap 0.13 kPa 249.30 Calculated Property
Pvap 0.43 kPa 265.10 Calculated Property
Pvap 1.18 kPa 280.90 Calculated Property
Pvap 2.85 kPa 296.70 Calculated Property
Pvap 6.18 kPa 312.50 Calculated Property
Pvap 12.29 kPa 328.30 Calculated Property
Pvap 22.70 kPa 344.10 Calculated Property
Pvap 39.38 kPa 359.90 Calculated Property
Pvap 64.75 kPa 375.70 Calculated Property
Pvap 101.68 kPa 391.50 Calculated Property
Property Value Unit Temperature (K) Source
ρl [807.11; 251.00] kg/m3 [182.28; 576.50] ChemSep v8.3 pure component data Compiled value Show Hide
EquationY = A / B^(1 + (1 − T/C)^D)
Y is ρl in kg/m3, T in K
Coefficient A6.84046e+01
Coefficient B2.72530e-01
Coefficient C5.76500e+02
Coefficient D2.81690e-01
Temperature range, min.182.28
Temperature range, max.576.50
ρl 807.11 kg/m3 182.28 Calculated Property
ρl 776.93 kg/m3 226.08 Calculated Property
ρl 745.19 kg/m3 269.88 Calculated Property
ρl 711.51 kg/m3 313.69 Calculated Property
ρl 675.35 kg/m3 357.49 Calculated Property
ρl 635.83 kg/m3 401.29 Calculated Property
ρl 591.45 kg/m3 445.09 Calculated Property
ρl 539.19 kg/m3 488.90 Calculated Property
ρl 470.81 kg/m3 532.70 Calculated Property
ρl 251.00 kg/m3 576.50 Calculated Property
Property Value Unit Temperature (K) Source
γ [0.03; 7.81e-06] N/m [182.28; 573.74] ChemSep v8.3 pure component data Compiled value Show Hide
EquationY = A + exp(B/T + C + D·T + E·T²)
Y is γ in N/m, T in K
Coefficient A-1.05360e-02
Coefficient B3.94640e+01
Coefficient C-3.29830e+00
Coefficient D5.83270e-04
Coefficient E-5.03480e-06
CommentRange stopped where the equation turns negative; ChemSep gives it to 576.5 K.
Temperature range, min.182.28
Temperature range, max.573.74
γ 0.03 N/m 182.28 Calculated Property
γ 0.03 N/m 225.78 Calculated Property
γ 0.02 N/m 269.27 Calculated Property
γ 0.02 N/m 312.77 Calculated Property
γ 0.02 N/m 356.26 Calculated Property
γ 0.01 N/m 399.76 Calculated Property
γ 0.01 N/m 443.25 Calculated Property
γ 0.01 N/m 486.75 Calculated Property
γ 0.00 N/m 530.24 Calculated Property
γ 7.81e-06 N/m 573.74 Calculated Property
Property Value Unit Temperature (K) Source
λgas [0.00; 0.10] W/m×K [182.28; 1000.00] ChemSep v8.3 pure component data Compiled value Show Hide
EquationY = A·T^B / (1 + C/T + D/T²)
Y is λgas in W/m×K, T in K
Coefficient A2.17730e-05
Coefficient B1.21970e+00
Coefficient C-1.36640e+02
Coefficient D1.38470e+05
Temperature range, min.182.28
Temperature range, max.1000.00
λgas 0.00 W/m×K 182.28 Calculated Property
λgas 0.01 W/m×K 273.14 Calculated Property
λgas 0.02 W/m×K 364.00 Calculated Property
λgas 0.03 W/m×K 454.85 Calculated Property
λgas 0.04 W/m×K 545.71 Calculated Property
λgas 0.05 W/m×K 636.57 Calculated Property
λgas 0.06 W/m×K 727.43 Calculated Property
λgas 0.07 W/m×K 818.28 Calculated Property
λgas 0.09 W/m×K 909.14 Calculated Property
λgas 0.10 W/m×K 1000.00 Calculated Property
Property Value Unit Temperature (K) Source
λliquid [0.13; 0.09] W/m×K [182.28; 391.42] ChemSep v8.3 pure component data Compiled value Show Hide
EquationY = A + exp(B/T + C + D·T + E·T²)
Y is λliquid in W/m×K, T in K
Coefficient A-3.74270e-02
Coefficient B7.77850e+00
Coefficient C-1.71610e+00
Coefficient D-2.83170e-04
Coefficient E-1.77280e-06
Temperature range, min.182.28
Temperature range, max.391.42
λliquid 0.13 W/m×K 182.28 Calculated Property
λliquid 0.13 W/m×K 205.52 Calculated Property
λliquid 0.12 W/m×K 228.76 Calculated Property
λliquid 0.12 W/m×K 251.99 Calculated Property
λliquid 0.11 W/m×K 275.23 Calculated Property
λliquid 0.11 W/m×K 298.47 Calculated Property
λliquid 0.10 W/m×K 321.71 Calculated Property
λliquid 0.10 W/m×K 344.94 Calculated Property
λliquid 0.09 W/m×K 368.18 Calculated Property
λliquid 0.09 W/m×K 391.42 Calculated Property

Similar Compounds

Pentane, 3,3-dimethyl-. Pentane, 3,3-diethyl-. Pentane, 3-ethyl-2,2,3-trimethyl-. Pentane, 2,2,3,3-tetramethyl-. Hexane, 2,2,4,4-tetramethyl-. 3,4-Dimethyl-3,4-diethyl-hexane. Hexane, 3,3,4,4-tetramethyl-. Hexane, 3-ethyl-3-methyl-. 1,3-diethyl-5,7-dimethyladamantane. 1-ethyl-3,5,7-trimethyladamantane. 3,3,6,6-Tetramethyloctane. Hexane, 3,3-dimethyl-. Pentane, 3-ethyl-2,3-dimethyl-. Hexane, 3,3-diethyl-. Heptane, 4-ethyl-4-methyl-.

Find more compounds similar to Pentane, 3-ethyl-3-methyl-.

Sources

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