Chemical Properties of Disiloxane, hexamethyl- (CAS 107-46-0)

Disiloxane, hexamethyl-

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InChI
InChI=1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
InChI Key
UQEAIHBTYFGYIE-UHFFFAOYSA-N
Formula
C6H18OSi2
SMILES
C[Si](C)(C)O[Si](C)(C)C
Molecular Weight1
162.38
CAS
107-46-0
Other Names
  • ((CH3)3Si)2O
  • 1,1,1,3,3,3-hexamethyldisiloxane
  • Belsil DM 0.65
  • Bis(trimethylsilyl) ether
  • Bis(trimethylsilyl) oxide
  • Disiloxane, 1,1,1,3,3,3-hexamethyl-
  • Dow corning 200/0.65
  • Fluka AG
  • H7310
  • HMDS (hexamethyldisiloxane)
  • HMDSO
  • Hexamethyldisiloxane
  • KF 96L
  • NSC 43346
  • OS 10
  • Oxybis(trimethylsilane)
  • SWS-F 221
  • Silane, oxybis(trimethyl)-
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Physical Properties

Property Value Unit Source
PAff 846.40 kJ/mol NIST
BasG 816.20 kJ/mol NIST
IE [9.59; 9.88] eV Show
IE 9.60 ± 1.00 eV NIST
IE 9.64 ± 0.01 eV NIST
IE 9.59 ± 0.04 eV NIST
IE 9.88 eV NIST
log10WS 2.48 Crippen Calculated Property
logPoct/wat 2.673 Crippen Calculated Property
Pc 1925.00 ± 10.00 kPa NIST
Inp [597.40; 646.00]   Show
Inp 597.40 NIST
Inp 597.40 NIST
Inp 598.00 NIST
Inp 645.00 NIST
Inp 646.00 NIST
liquid [433.80; 433.84] J/mol×K Show
liquid 433.80 J/mol×K NIST
liquid 433.84 J/mol×K NIST
Tboil [372.00; 375.00] K Show
Tboil 374.12 K Isobari...
Tboil 374.00 K NIST
Tboil 372.50 ± 0.50 K NIST
Tboil 374.14 ± 0.30 K NIST
Tboil 373.20 ± 1.50 K NIST
Tboil 375.00 ± 3.00 K NIST
Tboil 373.00 ± 3.00 K NIST
Tboil 372.00 ± 3.00 K NIST
Tc 518.70 ± 0.51 K NIST
Ttriple 204.93 ± 0.02 K NIST
Vm 2.14e-04 m3/mol Thermod...

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,liquid [311.37; 311.40] J/mol×K [298.15; 298.15] Show
Cp,liquid 311.40 J/mol×K 298.15 NIST
Cp,liquid 311.37 J/mol×K 298.15 NIST
ΔfusH [11.92; 11.92] kJ/mol [204.90; 204.93] Show
ΔfusH 11.92 kJ/mol 204.90 NIST
ΔfusH 11.92 kJ/mol 204.90 NIST
ΔfusH 11.92 kJ/mol 204.93 NIST
ΔfusH 11.92 kJ/mol 204.93 NIST
ΔvapH [31.30; 36.90] kJ/mol [327.00; 373.00] Show
T(K)
Enthalpy of vaporization at a given temperature (kJ/mol)
31
32
33
34
35
36
37
340
360
ΔvapH 33.10 kJ/mol 327.00 NIST
ΔvapH 34.60 ± 0.10 kJ/mol 332.00 NIST
ΔvapH 36.90 kJ/mol 341.50 NIST
ΔvapH 33.10 ± 0.10 kJ/mol 351.00 NIST
ΔvapH 36.00 kJ/mol 360.00 NIST
ΔvapH 31.30 ± 0.10 kJ/mol 373.00 NIST
Pvap 101.30 kPa 374.12 Isobari...
n0 1.37370 298.15 Determi...
ρl [726.05; 763.87] kg/m3 [293.15; 328.15] Show
T(K)
Liquid Density (kg/m3)
730
740
750
760
300
310
320
ρl 763.87 kg/m3 293.15 The mix...
ρl 747.95 kg/m3 308.15 The mix...
ρl 742.53 kg/m3 313.15 The mix...
ρl 737.07 kg/m3 318.15 The mix...
ρl 731.57 kg/m3 323.15 The mix...
ρl 726.05 kg/m3 328.15 The mix...
ΔfusS 58.18 J/mol×K 204.93 NIST

Correlations

Property Value Unit Temperature (K) Source
Pvap [1.33; 202.64] kPa [273.82; 398.55] The Yaw... Show
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.40019e+01
Coefficient B-2.95909e+03
Coefficient C-5.80520e+01
Temperature range, min.273.82
Temperature range, max.398.55
T(K)
Vapor pressure (kPa)
0
50
100
150
200
300
350
400
Pvap 1.33 kPa 273.82 Calculated Property
Pvap 3.05 kPa 287.68 Calculated Property
Pvap 6.35 kPa 301.54 Calculated Property
Pvap 12.22 kPa 315.40 Calculated Property
Pvap 22.00 kPa 329.26 Calculated Property
Pvap 37.39 kPa 343.11 Calculated Property
Pvap 60.50 kPa 356.97 Calculated Property
Pvap 93.81 kPa 370.83 Calculated Property
Pvap 140.15 kPa 384.69 Calculated Property
Pvap 202.64 kPa 398.55 Calculated Property

Similar Compounds

Disiloxane, pentamethyl-. Trisiloxane, octamethyl-. Disiloxane, 1,3-bis(chloromethyl)-1,1,3,3-tetramethyl-. Disiloxane, 1,3-bis(bromomethyl)-1,1,3,3-tetramethyl-. Silanol, trimethyl-. Methyltris(trimethylsiloxy)silane. Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimethylsilyl)oxy]-. Tetrasiloxane, decamethyl-. Hexasiloxane, tetradecamethyl-. (Dichloromethyl)(dimethyl)silyl trimethylsilyl ether. tetracosamethylundecasiloxane. Eicosamethylnonasiloxane. Heptasiloxane, hexadecamethyl-. Octadecamethyloctasiloxane. Pentasiloxane, dodecamethyl-.

Find more compounds similar to Disiloxane, hexamethyl-.

Mixtures

Sources

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