Chemical Properties of Eicosamethylnonasiloxane (CAS 2652-13-3)


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InChI Key
Molecular Weight1
Other Names
  • 1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15,17,17,17-eicosamethylnonasiloxane
  • icosamethylnonasiloxane
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Physical Properties

Property Value Unit Source
log10WS 12.57 Crippen Calculated Property
logPoct/wat 7.702 Crippen Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
ΔvapH 85.90 kJ/mol 499.00 NIST
Pvap [4.16e-04; 0.53] kPa [348.15; 438.15] Show Hide
Pvap 4.16e-04 kPa 348.15 Tempera...
Pvap 1.10e-03 kPa 358.15 Tempera...
Pvap 2.75e-03 kPa 368.15 Tempera...
Pvap 6.57e-03 kPa 378.15 Tempera...
Pvap 0.01 kPa 388.15 Tempera...
Pvap 0.03 kPa 398.15 Tempera...
Pvap 0.07 kPa 408.15 Tempera...
Pvap 0.14 kPa 418.15 Tempera...
Pvap 0.28 kPa 428.15 Tempera...
Pvap 0.53 kPa 438.15 Tempera...


Property Value Unit Temperature (K) Source
Pvap [1.33; 202.65] kPa [462.22; 606.43] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.92650e+01
Coefficient B-7.60095e+03
Coefficient C-6.16940e+01
Temperature range, min.462.22
Temperature range, max.606.43
Pvap 1.33 kPa 462.22 Calculated Property
Pvap 2.77 kPa 478.24 Calculated Property
Pvap 5.44 kPa 494.27 Calculated Property
Pvap 10.19 kPa 510.29 Calculated Property
Pvap 18.27 kPa 526.31 Calculated Property
Pvap 31.53 kPa 542.34 Calculated Property
Pvap 52.51 kPa 558.36 Calculated Property
Pvap 84.72 kPa 574.38 Calculated Property
Pvap 132.77 kPa 590.41 Calculated Property
Pvap 202.65 kPa 606.43 Calculated Property

Similar Compounds

Pentasiloxane, dodecamethyl-. Octadecamethyloctasiloxane. tetracosamethylundecasiloxane. Hexasiloxane, tetradecamethyl-. Heptasiloxane, hexadecamethyl-. Tetrasiloxane, decamethyl-. Cycloheptasiloxane, tetradecamethyl-. Cyclohexadecasiloxane, dotriacontamethyl. Cyclotricosasiloxane, hexatetracontamethyl. Cyclotetrasiloxane, octamethyl-. Cyclononacosasiloxane, octapentacontamethyl. Cyclopentasiloxane, decamethyl-. Tetracosamethyl-cyclododecasiloxane. Cyclononasiloxane, octadecamethyl-. Cycloheptadecasiloxane, tetratriacontamethyl.

Find more compounds similar to Eicosamethylnonasiloxane.


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