Chemical Properties of Heneicosane (CAS 629-94-7)

Heneicosane

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InChI
InChI=1S/C21H44/c1-3-5-7-9-11-13-15-17-19-21-20-18-16-14-12-10-8-6-4-2/h3-21H2,1-2H3
InChI Key
FNAZRRHPUDJQCJ-UHFFFAOYSA-N
Formula
C21H44
SMILES
CCCCCCCCCCCCCCCCCCCCC
Molecular Weight1
296.57
CAS
629-94-7
Other Names
  • henicosane
  • n-Heneicosane
  • n-henicosane
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Physical Properties

Property Value Unit Source
Δf 125.94 kJ/mol Joback Calculated Property
Δfgas -476.77 kJ/mol Joback Calculated Property
Δfus 50.15 kJ/mol Joback Calculated Property
Δsub 142.00 ± 10.00 kJ/mol NIST
Δvap [106.80; 109.40] kJ/mol Show Hide
Δvap 106.80 kJ/mol NIST
Δvap 109.40 ± 2.60 kJ/mol NIST
log10WS -8.61 Crippen Calculated Property
logPoct/wat 8.438 Crippen Calculated Property
McVol 306.750 ml/mol McGowan Calculated Property
Pc [1000.00; 1030.00] kPa Show Hide
Pc 1030.00 kPa KDB
Pc 1000.00 ± 200.00 kPa NIST
Pc 1030.00 ± 40.00 kPa NIST
Inp [342.11; 360.70]   Show Hide
Inp 342.11 NIST
Inp 348.41 NIST
Inp 360.40 NIST
Inp 360.70 NIST
Inp 342.11 NIST
Tboil [629.70; 635.10] K Show Hide
Tboil 629.70 K NIST
Tboil 635.10 ± 1.50 K NIST
Tc [777.60; 779.00] K Show Hide
Tc 778.00 K KDB
Tc 779.00 K Critica...
Tc 778.00 ± 8.00 K NIST
Tc 777.60 ± 3.00 K NIST
Tfus 326.43 K Joback Calculated Property
Ttriple 305.05 K Effect ...
Vc 1.212 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [900.73; 1016.08] J/mol×K [679.88; 841.70] Show Hide
Cp,gas 900.73 J/mol×K 679.88 Joback Calculated Property
Cp,gas 922.09 J/mol×K 706.85 Joback Calculated Property
Cp,gas 942.56 J/mol×K 733.82 Joback Calculated Property
Cp,gas 962.16 J/mol×K 760.79 Joback Calculated Property
Cp,gas 980.93 J/mol×K 787.76 Joback Calculated Property
Cp,gas 998.90 J/mol×K 814.73 Joback Calculated Property
Cp,gas 1016.08 J/mol×K 841.70 Joback Calculated Property
Cp,liquid 666.40 J/mol×K 315.93 NIST
η [0.0000858; 0.0032793] Pa×s [326.43; 679.88] Show Hide
η 0.0032793 Pa×s 326.43 Joback Calculated Property
η 0.0011232 Pa×s 385.34 Joback Calculated Property
η 0.0005112 Pa×s 444.25 Joback Calculated Property
η 0.0002797 Pa×s 503.15 Joback Calculated Property
η 0.0001737 Pa×s 562.06 Joback Calculated Property
η 0.0001180 Pa×s 620.97 Joback Calculated Property
η 0.0000858 Pa×s 679.88 Joback Calculated Property
ΔfusH [15.48; 47.70] kJ/mol [305.70; 313.70] Show Hide
ΔfusH 15.48 kJ/mol 305.70 NIST
ΔfusH 46.60 kJ/mol 313.00 NIST
ΔfusH 47.70 kJ/mol 313.70 NIST
ΔfusH 47.70 kJ/mol 313.70 NIST
ΔvapH [84.70; 110.00] kJ/mol [298.15; 526.00] Show Hide
ΔvapH 106.80 kJ/mol 298.15 Vapor P...
ΔvapH 110.00 ± 2.00 kJ/mol 382.50 NIST
ΔvapH 93.70 kJ/mol 406.50 NIST
ΔvapH 84.70 kJ/mol 415.00 NIST
ΔvapH 88.40 kJ/mol 526.00 NIST
Pvap [3.96e-04; 0.61] kPa [351.54; 461.96] Show Hide
Pvap 3.96e-04 kPa 351.54 Experim...
Pvap 9.71e-04 kPa 361.52 Experim...
Pvap 2.20e-03 kPa 371.42 Experim...
Pvap 4.98e-03 kPa 381.65 Experim...
Pvap 0.01 kPa 391.86 Experim...
Pvap 0.02 kPa 402.05 Experim...
Pvap 0.08 kPa 422.19 Experim...
Pvap 0.13 kPa 432.27 Experim...
Pvap 0.23 kPa 442.30 Experim...
Pvap 0.38 kPa 452.22 Experim...
Pvap 0.61 kPa 461.96 Experim...
ΔfusS [50.65; 152.06] J/mol×K [305.70; 313.70] Show Hide
ΔfusS 50.65 J/mol×K 305.70 NIST
ΔfusS 152.06 J/mol×K 313.70 NIST
vspec [0.00; 0.00] m3/kg [313.65; 566.35] Show Hide
vspec 0.00 m3/kg 313.65 A simpl...
vspec 0.00 m3/kg 315.75 A simpl...
vspec 0.00 m3/kg 317.65 A simpl...
vspec 0.00 m3/kg 319.65 A simpl...
vspec 0.00 m3/kg 321.55 A simpl...
vspec 0.00 m3/kg 323.55 A simpl...
vspec 0.00 m3/kg 325.45 A simpl...
vspec 0.00 m3/kg 327.45 A simpl...
vspec 0.00 m3/kg 329.35 A simpl...
vspec 0.00 m3/kg 331.25 A simpl...
vspec 0.00 m3/kg 333.25 A simpl...
vspec 0.00 m3/kg 335.15 A simpl...
vspec 0.00 m3/kg 337.15 A simpl...
vspec 0.00 m3/kg 339.05 A simpl...
vspec 0.00 m3/kg 341.05 A simpl...
vspec 0.00 m3/kg 342.95 A simpl...
vspec 0.00 m3/kg 344.85 A simpl...
vspec 0.00 m3/kg 346.85 A simpl...
vspec 0.00 m3/kg 348.75 A simpl...
vspec 0.00 m3/kg 350.75 A simpl...
vspec 0.00 m3/kg 352.65 A simpl...
vspec 0.00 m3/kg 354.65 A simpl...
vspec 0.00 m3/kg 354.85 A simpl...
vspec 0.00 m3/kg 356.55 A simpl...
vspec 0.00 m3/kg 358.45 A simpl...
vspec 0.00 m3/kg 360.45 A simpl...
vspec 0.00 m3/kg 362.35 A simpl...
vspec 0.00 m3/kg 364.35 A simpl...
vspec 0.00 m3/kg 366.25 A simpl...
vspec 0.00 m3/kg 368.15 A simpl...
vspec 0.00 m3/kg 370.15 A simpl...
vspec 0.00 m3/kg 372.05 A simpl...
vspec 0.00 m3/kg 374.05 A simpl...
vspec 0.00 m3/kg 375.45 A simpl...
vspec 0.00 m3/kg 375.95 A simpl...
vspec 0.00 m3/kg 377.95 A simpl...
vspec 0.00 m3/kg 379.85 A simpl...
vspec 0.00 m3/kg 381.75 A simpl...
vspec 0.00 m3/kg 383.75 A simpl...
vspec 0.00 m3/kg 385.65 A simpl...
vspec 0.00 m3/kg 387.65 A simpl...
vspec 0.00 m3/kg 389.55 A simpl...
vspec 0.00 m3/kg 391.55 A simpl...
vspec 0.00 m3/kg 393.45 A simpl...
vspec 0.00 m3/kg 395.35 A simpl...
vspec 0.00 m3/kg 396.05 A simpl...
vspec 0.00 m3/kg 397.35 A simpl...
vspec 0.00 m3/kg 399.25 A simpl...
vspec 0.00 m3/kg 401.25 A simpl...
vspec 0.00 m3/kg 403.15 A simpl...
vspec 0.00 m3/kg 405.15 A simpl...
vspec 0.00 m3/kg 407.05 A simpl...
vspec 0.00 m3/kg 408.95 A simpl...
vspec 0.00 m3/kg 410.95 A simpl...
vspec 0.00 m3/kg 412.85 A simpl...
vspec 0.00 m3/kg 414.85 A simpl...
vspec 0.00 m3/kg 416.65 A simpl...
vspec 0.00 m3/kg 416.75 A simpl...
vspec 0.00 m3/kg 418.65 A simpl...
vspec 0.00 m3/kg 420.65 A simpl...
vspec 0.00 m3/kg 422.55 A simpl...
vspec 0.00 m3/kg 424.55 A simpl...
vspec 0.00 m3/kg 426.45 A simpl...
vspec 0.00 m3/kg 428.45 A simpl...
vspec 0.00 m3/kg 430.35 A simpl...
vspec 0.00 m3/kg 432.25 A simpl...
vspec 0.00 m3/kg 434.25 A simpl...
vspec 0.00 m3/kg 436.15 A simpl...
vspec 0.00 m3/kg 437.25 A simpl...
vspec 0.00 m3/kg 438.15 A simpl...
vspec 0.00 m3/kg 440.05 A simpl...
vspec 0.00 m3/kg 442.05 A simpl...
vspec 0.00 m3/kg 443.95 A simpl...
vspec 0.00 m3/kg 445.85 A simpl...
vspec 0.00 m3/kg 447.85 A simpl...
vspec 0.00 m3/kg 449.75 A simpl...
vspec 0.00 m3/kg 451.75 A simpl...
vspec 0.00 m3/kg 453.65 A simpl...
vspec 0.00 m3/kg 455.65 A simpl...
vspec 0.00 m3/kg 457.55 A simpl...
vspec 0.00 m3/kg 457.85 A simpl...
vspec 0.00 m3/kg 459.45 A simpl...
vspec 0.00 m3/kg 461.45 A simpl...
vspec 0.00 m3/kg 463.35 A simpl...
vspec 0.00 m3/kg 465.35 A simpl...
vspec 0.00 m3/kg 467.25 A simpl...
vspec 0.00 m3/kg 469.15 A simpl...
vspec 0.00 m3/kg 471.15 A simpl...
vspec 0.00 m3/kg 473.05 A simpl...
vspec 0.00 m3/kg 475.05 A simpl...
vspec 0.00 m3/kg 476.95 A simpl...
vspec 0.00 m3/kg 478.45 A simpl...
vspec 0.00 m3/kg 478.95 A simpl...
vspec 0.00 m3/kg 480.85 A simpl...
vspec 0.00 m3/kg 482.75 A simpl...
vspec 0.00 m3/kg 484.75 A simpl...
vspec 0.00 m3/kg 486.65 A simpl...
vspec 0.00 m3/kg 488.65 A simpl...
vspec 0.00 m3/kg 488.75 A simpl...
vspec 0.00 m3/kg 490.55 A simpl...
vspec 0.00 m3/kg 492.55 A simpl...
vspec 0.00 m3/kg 494.45 A simpl...
vspec 0.00 m3/kg 496.35 A simpl...
vspec 0.00 m3/kg 498.35 A simpl...
vspec 0.00 m3/kg 500.25 A simpl...
vspec 0.00 m3/kg 502.25 A simpl...
vspec 0.00 m3/kg 504.15 A simpl...
vspec 0.00 m3/kg 506.15 A simpl...
vspec 0.00 m3/kg 508.05 A simpl...
vspec 0.00 m3/kg 509.95 A simpl...
vspec 0.00 m3/kg 511.95 A simpl...
vspec 0.00 m3/kg 513.85 A simpl...
vspec 0.00 m3/kg 515.85 A simpl...
vspec 0.00 m3/kg 517.75 A simpl...
vspec 0.00 m3/kg 519.65 A simpl...
vspec 0.00 m3/kg 521.65 A simpl...
vspec 0.00 m3/kg 523.55 A simpl...
vspec 0.00 m3/kg 525.55 A simpl...
vspec 0.00 m3/kg 527.45 A simpl...
vspec 0.00 m3/kg 529.45 A simpl...
vspec 0.00 m3/kg 531.35 A simpl...
vspec 0.00 m3/kg 533.25 A simpl...
vspec 0.00 m3/kg 535.25 A simpl...
vspec 0.00 m3/kg 537.15 A simpl...
vspec 0.00 m3/kg 539.15 A simpl...
vspec 0.00 m3/kg 541.05 A simpl...
vspec 0.00 m3/kg 543.05 A simpl...
vspec 0.00 m3/kg 544.95 A simpl...
vspec 0.00 m3/kg 546.85 A simpl...
vspec 0.00 m3/kg 548.85 A simpl...
vspec 0.00 m3/kg 550.75 A simpl...
vspec 0.00 m3/kg 552.75 A simpl...
vspec 0.00 m3/kg 554.65 A simpl...
vspec 0.00 m3/kg 556.65 A simpl...
vspec 0.00 m3/kg 558.55 A simpl...
vspec 0.00 m3/kg 560.45 A simpl...
vspec 0.00 m3/kg 562.45 A simpl...
vspec 0.00 m3/kg 564.35 A simpl...
vspec 0.00 m3/kg 566.35 A simpl...

Pressure Dependent Properties

Property Value Unit Pressure (kPa) Source
Tboilr 373.20 K 0.30 NIST

Correlations

Property Value Unit Temperature (K) Source
Pvap [0.07; 102.66] kPa [422.15; 630.15] KDB Vap... Show Hide
Equationln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A2.84438e+02
Coefficient B-2.48585e+04
Coefficient C-3.81807e+01
Coefficient D1.44881e-05
Temperature range, min.422.15
Temperature range, max.630.15
Pvap 0.07 kPa 422.15 Calculated Property
Pvap 0.25 kPa 445.26 Calculated Property
Pvap 0.79 kPa 468.37 Calculated Property
Pvap 2.09 kPa 491.48 Calculated Property
Pvap 4.91 kPa 514.59 Calculated Property
Pvap 10.41 kPa 537.71 Calculated Property
Pvap 20.26 kPa 560.82 Calculated Property
Pvap 36.76 kPa 583.93 Calculated Property
Pvap 62.92 kPa 607.04 Calculated Property
Pvap 102.66 kPa 630.15 Calculated Property

Similar Compounds

Tetradecane. Pentacosane. Nonacosane. Hexacosane. Heptadecane. dooctacontane. Octane-d18-. Tetracosane. octapentacontane. Tetratriacontane. Heptacosane. Docosane. Dodecane. n-Octatetracontane. heptahexacontane.

Find more compounds similar to Heneicosane.

Sources

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