Chemical Properties of Cyclotrisiloxane, hexamethyl- (CAS 541-05-9)

Cyclotrisiloxane, hexamethyl-

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InChI
InChI=1S/C6H18O3Si3/c1-10(2)7-11(3,4)9-12(5,6)8-10/h1-6H3
InChI Key
HTDJPCNNEPUOOQ-UHFFFAOYSA-N
Formula
C6H18O3Si3
SMILES
C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1
Molecular Weight1
222.46
CAS
541-05-9
Other Names
  • CH7260
  • D3 (hexamethylcyclotrisiloxane)
  • Dimethylsiloxane cyclic trimer
  • Hexamethylcyclotrisiloxane
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Physical Properties

Property Value Unit Source
log10WS 4.61 Crippen Calculated Property
logPoct/wat 2.155 Crippen Calculated Property
Inp [825.00; 833.00]   Show Hide
Inp 827.00 NIST
Inp 833.00 NIST
Inp 825.00 NIST
Inp 828.00 NIST
Inp 829.00 NIST
Inp 830.00 NIST
Inp 831.00 NIST
Inp 831.00 NIST
Inp 827.00 NIST
solid,1 bar 412.10 J/mol×K NIST
Tboil 407.00 K NIST
Tfus [337.00; 339.50] K Show Hide
Tfus 337.00 ± 0.10 K NIST
Tfus 339.50 ± 0.10 K NIST
Ttriple 335.22 ± 0.02 K NIST

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,liquid [404.50; 433.20] J/mol×K [339.90; 404.89] Show Hide
Cp,liquid 404.50 J/mol×K 339.90 Selecte...
Cp,liquid 405.90 J/mol×K 343.15 Selecte...
Cp,liquid 406.70 J/mol×K 345.03 Selecte...
Cp,liquid 410.40 J/mol×K 353.15 Selecte...
Cp,liquid 412.30 J/mol×K 357.92 Selecte...
Cp,liquid 413.80 J/mol×K 361.20 Selecte...
Cp,liquid 415.60 J/mol×K 365.09 Selecte...
Cp,liquid 418.10 J/mol×K 370.16 Selecte...
Cp,liquid 420.10 J/mol×K 374.79 Selecte...
Cp,liquid 421.80 J/mol×K 379.42 Selecte...
Cp,liquid 423.60 J/mol×K 383.15 Selecte...
Cp,liquid 425.60 J/mol×K 388.06 Selecte...
Cp,liquid 428.10 J/mol×K 393.14 Selecte...
Cp,liquid 430.00 J/mol×K 398.01 Selecte...
Cp,liquid 431.00 J/mol×K 400.00 Selecte...
Cp,liquid 433.20 J/mol×K 404.89 Selecte...
Cp,solid 360.00 J/mol×K 298.15 NIST
ΔfusH 16.61 kJ/mol 335.20 NIST
ΔsubH 55.20 ± 0.40 kJ/mol 316.00 NIST
ΔvapH [39.00; 40.80] kJ/mol [365.50; 380.50] Show Hide
ΔvapH 39.70 kJ/mol 365.50 NIST
ΔvapH 39.00 kJ/mol 373.00 NIST
ΔvapH 39.70 kJ/mol 378.00 NIST
ΔvapH 40.80 kJ/mol 380.50 NIST

Correlations

Property Value Unit Temperature (K) Source
Pvap [1.33; 202.62] kPa [300.99; 435.51] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.38637e+01
Coefficient B-3.10902e+03
Coefficient C-7.19820e+01
Temperature range, min.300.99
Temperature range, max.435.51
Pvap 1.33 kPa 300.99 Calculated Property
Pvap 3.06 kPa 315.94 Calculated Property
Pvap 6.39 kPa 330.88 Calculated Property
Pvap 12.31 kPa 345.83 Calculated Property
Pvap 22.16 kPa 360.78 Calculated Property
Pvap 37.64 kPa 375.72 Calculated Property
Pvap 60.83 kPa 390.67 Calculated Property
Pvap 94.17 kPa 405.62 Calculated Property
Pvap 140.42 kPa 420.56 Calculated Property
Pvap 202.62 kPa 435.51 Calculated Property

Similar Compounds

Cyclopentacosasiloxane, pentacontamethyl. Cyclooctasiloxane, hexadecamethyl-. Cyclotetradecasiloxane, octacosamethyl. Cyclotridecasiloxane, hexacosamethyl. Cycloundecasiloxane, docosamethyl. Cyclodecasiloxane, eicosamethyl-. Cyclopentadecasiloxane, triacontamethyl. Cyclononasiloxane, octadecamethyl-. Cyclotricosasiloxane, hexatetracontamethyl. Cyclotetrasiloxane, octamethyl-. Cyclooctadecasiloxane, hexatriacontamethyl. Cyclotetracosasiloxane, octatetracontamethyl. Cyclohexadecasiloxane, dotriacontamethyl. Cyclononacosasiloxane, octapentacontamethyl. Cycloheptadecasiloxane, tetratriacontamethyl.

Find more compounds similar to Cyclotrisiloxane, hexamethyl-.

Sources

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