Chemical Properties of Tetrahydropyran (CAS 142-68-7)

Tetrahydropyran

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InChI
InChI=1S/C5H10O/c1-2-4-6-5-3-1/h1-5H2
InChI Key
DHXVGJBLRPWPCS-UHFFFAOYSA-N
Formula
C5H10O
SMILES
C1CCOCC1
Molecular Weight1
86.13
CAS
142-68-7
Other Names
  • 2H-Pyran, tetrahydro-
  • Oxacyclohexane
  • Oxane
  • Pentamethylene oxide
  • THP
  • Tetrahydro-2H-pyran
  • tetrahydropyrane
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Physical Properties

Property Value Unit Source
PAff 822.80 kJ/mol NIST
BasG [795.40; 799.20] kJ/mol Show Hide
BasG 795.40 kJ/mol NIST
BasG 799.10 ± 0.10 kJ/mol NIST
BasG 799.20 kJ/mol NIST
Δcgas -3173.30 ± 0.96 kJ/mol NIST
Δcliquid [-3150.00; -3137.60] kJ/mol Show Hide
Δcliquid -3141.90 ± 1.30 kJ/mol NIST
Δcliquid -3150.00 ± 6.30 kJ/mol NIST
Δcliquid -3137.60 ± 0.84 kJ/mol NIST
Δf -62.74 kJ/mol Joback Calculated Property
Δfgas [-223.80; -220.00] kJ/mol Show Hide
Δfgas -223.80 ± 1.00 kJ/mol NIST
Δfgas -220.00 ± 3.00 kJ/mol NIST
Δfgas -223.40 ± 1.50 kJ/mol NIST
Δfliquid -255.00 ± 2.00 kJ/mol NIST
Δfus 7.45 kJ/mol Joback Calculated Property
Δvap [34.67; 38.20] kJ/mol Show Hide
Δvap 34.67 kJ/mol NIST
Δvap 38.20 ± 1.10 kJ/mol NIST
Δvap 35.00 kJ/mol NIST
Δvap 34.90 kJ/mol NIST
IE [9.16; 9.57] eV Show Hide
IE 9.25 ± 0.01 eV NIST
IE 9.24 ± 0.05 eV NIST
IE 9.16 eV NIST
IE 9.25 ± 0.01 eV NIST
IE 9.26 ± 0.03 eV NIST
IE 9.57 eV NIST
IE 9.46 eV NIST
IE 9.48 eV NIST
IE 9.50 eV NIST
log10WS [-0.03; -0.03]   Show Hide
log10WS -0.03 Aq. Sol...
log10WS -0.03 Estimat...
logPoct/wat 1.187 Crippen Calculated Property
McVol 76.320 ml/mol McGowan Calculated Property
Pc 4770.00 ± 14.18 kPa NIST
ρc 328.37 ± 0.48 kg/m3 NIST
Inp [689.00; 740.00]   Show Hide
Inp 709.00 NIST
Inp 729.00 NIST
Inp 714.00 NIST
Inp 720.00 NIST
Inp 740.00 NIST
Inp 740.00 NIST
Inp 714.00 NIST
Inp 697.00 NIST
Inp 736.00 NIST
Inp 714.00 NIST
Inp 714.00 NIST
Inp 689.00 NIST
Inp 690.00 NIST
Inp 689.00 NIST
Inp 689.00 NIST
I [930.00; 1010.00]   Show Hide
I 972.00 NIST
I 988.00 NIST
I 1010.00 NIST
I 969.00 NIST
I 965.00 NIST
I 930.00 NIST
I 930.00 NIST
Tboil [360.15; 361.36] K Show Hide
Tboil 361.23 K Study o...
Tboil 361.23 K Study o...
Tboil 361.36 K Vapor L...
Tboil 361.31 K Experim...
Tboil 361.20 K NIST
Tboil 361.00 K NIST
Tboil 361.05 ± 0.20 K NIST
Tboil 361.15 ± 1.00 K NIST
Tboil 361.00 ± 3.00 K NIST
Tboil 361.35 ± 0.30 K NIST
Tboil 361.20 ± 1.50 K NIST
Tboil Outlier 360.15 ± 1.00 K NIST
Tc 572.20 ± 0.30 K NIST
Tfus [223.95; 226.82] K Show Hide
Tfus 226.82 K Aq. Sol...
Tfus 224.00 ± 0.10 K NIST
Tfus 224.15 ± 1.00 K NIST
Tfus 223.95 ± 0.30 K NIST
Vc 0.271 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [126.39; 194.46] J/mol×K [364.97; 571.94] Show Hide
Cp,gas 126.39 J/mol×K 364.97 Joback Calculated Property
Cp,gas 139.33 J/mol×K 399.46 Joback Calculated Property
Cp,gas 151.60 J/mol×K 433.96 Joback Calculated Property
Cp,gas 163.23 J/mol×K 468.45 Joback Calculated Property
Cp,gas 174.24 J/mol×K 502.95 Joback Calculated Property
Cp,gas 184.64 J/mol×K 537.44 Joback Calculated Property
Cp,gas 194.46 J/mol×K 571.94 Joback Calculated Property
Cp,liquid [140.60; 164.20] J/mol×K [288.15; 333.15] Show Hide
Cp,liquid 143.40 J/mol×K 288.15 Molar H...
Cp,liquid 143.90 J/mol×K 288.15 Thermop...
Cp,liquid 146.30 J/mol×K 293.15 Thermop...
Cp,liquid 145.20 J/mol×K 293.15 Molar H...
Cp,liquid 151.13 J/mol×K 297.62 NIST
Cp,liquid 140.60 J/mol×K 298.00 NIST
Cp,liquid 147.90 J/mol×K 298.15 Thermop...
Cp,liquid 149.21 J/mol×K 298.15 NIST
Cp,liquid 149.60 J/mol×K 298.15 NIST
Cp,liquid 147.80 J/mol×K 298.15 Molar H...
Cp,liquid 149.70 J/mol×K 303.15 Thermop...
Cp,liquid 150.20 J/mol×K 303.15 Molar H...
Cp,liquid 152.60 J/mol×K 308.15 Molar H...
Cp,liquid 151.70 J/mol×K 308.15 Thermop...
Cp,liquid 154.30 J/mol×K 313.15 Thermop...
Cp,liquid 156.00 J/mol×K 313.15 Molar H...
Cp,liquid 156.50 J/mol×K 318.15 Thermop...
Cp,liquid 157.60 J/mol×K 318.15 Molar H...
Cp,liquid 159.10 J/mol×K 323.15 Thermop...
Cp,liquid 159.90 J/mol×K 323.15 Molar H...
Cp,liquid 161.60 J/mol×K 328.15 Thermop...
Cp,liquid 164.20 J/mol×K 333.15 Thermop...
η [0.0006278; 0.0010240] Pa×s [283.15; 313.15] Show Hide
η 0.0010047 Pa×s 283.15 Excess ...
η 0.0010240 Pa×s 283.15 Excess ...
η 0.0008005 Pa×s 298.15 Excess ...
η 0.0008090 Pa×s 298.15 Excess ...
η 0.0006494 Pa×s 313.15 Excess ...
η 0.0006278 Pa×s 313.15 Excess ...
ΔvapH [31.17; 36.00] kJ/mol [280.50; 373.50] Show Hide
ΔvapH 35.00 kJ/mol 280.50 NIST
ΔvapH 36.00 kJ/mol 293.00 NIST
ΔvapH 35.00 kJ/mol 317.50 NIST
ΔvapH 36.00 kJ/mol 323.50 NIST
ΔvapH 31.17 kJ/mol 361.00 NIST
ΔvapH 33.20 kJ/mol 373.50 NIST
ν [0.0000008; 0.0000011] m2/s [283.15; 313.15] Show Hide
ν 0.0000011 m2/s 283.15 Experim...
ν 0.0000009 m2/s 298.15 Thermop...
ν 0.0000009 m2/s 298.15 Experim...
ν 0.0000008 m2/s 313.15 Thermop...
ν 0.0000008 m2/s 313.15 Experim...
Pvap [0.98; 98.66] kPa [257.96; 360.22] Show Hide
Pvap 0.98 kPa 257.96 Henry s...
Pvap 1.13 kPa 260.07 Henry s...
Pvap 2.16 kPa 270.28 Henry s...
Pvap 2.70 kPa 273.74 Vapor P...
Pvap 3.49 kPa 278.41 Vapor P...
Pvap 3.70 kPa 279.82 Henry s...
Pvap 4.98 kPa 284.90 Vapor P...
Pvap 6.28 kPa 289.94 Henry s...
Pvap 6.30 kPa 290.00 Henry s...
Pvap 6.90 kPa 291.32 Vapor P...
Pvap 8.99 kPa 296.98 Vapor P...
Pvap 9.56 kPa 298.15 Isother...
Pvap 9.53 kPa 298.15 Thermod...
Pvap 9.56 kPa 298.15 Isother...
Pvap 10.23 kPa 300.01 Henry s...
Pvap 10.96 kPa 301.11 Vapor P...
Pvap 13.15 kPa 305.40 Vapor P...
Pvap 15.69 kPa 309.21 Vapor P...
Pvap 18.66 kPa 313.15 Isother...
Pvap 18.93 kPa 313.73 Vapor P...
Pvap 33.95 kPa 328.15 Isother...
Pvap 33.95 kPa 328.15 Isother...
Pvap 40.00 kPa 332.98 Henry s...
Pvap 53.33 kPa 341.09 Henry s...
Pvap 66.66 kPa 347.72 Henry s...
Pvap 79.99 kPa 353.38 Henry s...
Pvap 93.33 kPa 358.37 Henry s...
Pvap 98.66 kPa 360.22 Henry s...
n0 [1.41864; 1.42004]   [298.15; 298.15] Show Hide
n0 1.42000 298.15 Experim...
n0 1.42000 298.15 Experim...
n0 1.42000 298.15 Vapor-l...
n0 1.42004 298.15 Atmosph...
n0 1.41864 298.15 (Vapour...
ρl [863.43; 884.23] kg/m3 [293.15; 313.15] Show Hide
ρl 884.08 kg/m3 293.15 Volumet...
ρl 884.23 kg/m3 293.15 Thermod...
ρl 879.16 kg/m3 298.15 Isother...
ρl 878.80 kg/m3 298.15 Vapour ...
ρl 879.13 kg/m3 298.15 Thermod...
ρl 879.14 kg/m3 298.15 Thermod...
ρl 879.13 kg/m3 298.15 Excess ...
ρl 878.95 kg/m3 298.15 Volumet...
ρl 879.13 kg/m3 298.15 Heat ca...
ρl 878.82 kg/m3 298.15 Study o...
ρl 879.13 kg/m3 298.15 Densiti...
ρl 879.09 kg/m3 298.15 Thermod...
ρl 878.81 kg/m3 298.15 Surface...
ρl 879.00 kg/m3 298.15 Isobari...
ρl 873.91 kg/m3 303.15 Thermod...
ρl 873.99 kg/m3 303.15 Thermod...
ρl 873.99 kg/m3 303.15 Heat ca...
ρl 873.99 kg/m3 303.15 Excess ...
ρl 873.79 kg/m3 303.15 Volumet...
ρl 873.99 kg/m3 303.15 Densiti...
ρl 868.75 kg/m3 308.15 Thermod...
ρl 868.83 kg/m3 308.15 Heat ca...
ρl 868.67 kg/m3 308.15 Volumet...
ρl 868.83 kg/m3 308.15 Densiti...
ρl 868.83 kg/m3 308.15 Excess ...
ρl 868.81 kg/m3 308.15 Excess ...
ρl 868.83 kg/m3 308.15 Thermod...
ρl 863.43 kg/m3 313.15 Volumet...
csound,fluid [1224.47; 1272.00] m/s [298.15; 308.15] Show Hide
csound,fluid 1272.00 m/s 298.15 Isentro...
csound,fluid 1269.88 m/s 298.15 Thermod...
csound,fluid 1269.88 m/s 298.15 Topolog...
csound,fluid 1246.83 m/s 303.15 Thermod...
csound,fluid 1246.83 m/s 303.15 Topolog...
csound,fluid 1224.47 m/s 308.15 Thermod...
csound,fluid 1224.47 m/s 308.15 Topolog...

Datasets

Refractive index (Na D-line)

Fixed Measured
Temperature, K - Liquid Pressure, kPa - Liquid Refractive index (Na D-line) - Liquid
298.15 101.33 1.4186
293.15 101.00 1.3916
303.15 101.00 1.3866
313.15 101.00 1.3814
323.15 101.00 1.3763
293.15 101.00 1.4211
303.15 101.00 1.416
313.15 101.00 1.4109
323.15 101.00 1.4055
Reference

Correlations

Property Value Unit Temperature (K) Source
Pvap [2.60; 19.24] kPa [273.15; 314.15] KDB Vap... Show Hide
Equationln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A1.03083e+02
Coefficient B-7.40540e+03
Coefficient C-1.35698e+01
Coefficient D1.49079e-05
Temperature range, min.273.15
Temperature range, max.314.15
Pvap 2.60 kPa 273.15 Calculated Property
Pvap 3.37 kPa 277.71 Calculated Property
Pvap 4.32 kPa 282.26 Calculated Property
Pvap 5.48 kPa 286.82 Calculated Property
Pvap 6.89 kPa 291.37 Calculated Property
Pvap 8.59 kPa 295.93 Calculated Property
Pvap 10.62 kPa 300.48 Calculated Property
Pvap 13.04 kPa 305.04 Calculated Property
Pvap 15.89 kPa 309.59 Calculated Property
Pvap 19.24 kPa 314.15 Calculated Property

Similar Compounds

n-Amyl ether. Pentane, 1-butoxy-. Oxepane. Pentane, 1-propoxy-. Pentane, 1-ethoxy-. Oxonane. Pentane, 1,5-dimethoxy-. Hexane, 1,1'-oxybis-. Ether, hexyl pentyl. Butyl hexyl ether. Pentane, 1-methoxy-. Hexane, 1-propoxy-. Heptane, 1,1'-oxybis-. Dodecane, 1,1'-oxybis-. Heptyl octadecyl ether.

Find more compounds similar to Tetrahydropyran.

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.