Chemical Properties of Trimethyl-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-trimethylsilyloxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]silane

InChI

InChI=1S/C28H62O12Si2/c1-41(2,3)39-27-25-37-23-21-35-19-17-33-15-13-31-11-9-29-7-8-30-10-12-32-14-16-34-18-20-36-22-24-38-26-28-40-42(4,5)6/h7-28H2,1-6H3

InChI Key

ULJAHKFIJCUGTF-UHFFFAOYSA-N

Formula

C28H62O12Si2

SMILES

C[Si](C)(C)OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO[Si](C)(C)C

Molecular Weight¹

646.96

Other Names

• 3,6,9,12,15,18,21,24,27,30,33,36-Dodecaoxa-2,37-disilaoctatriacontane, 2,2,37,37-tetramethyl-
• Undecaethylene glycol, bistrimethylsilyl ether
• Undecaethylene glycol, 2tms derivative

• ω : Acentric Factor.
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• P_c : Critical Pressure (kPa).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	1.5253		Relay (... Calculated Property
ΔfG°	-821.93	kJ/mol	Relay (... Calculated Property ⚠️
ΔfH°gas	-2316.66	kJ/mol	Relay (... Calculated Property
ΔvapH°	118.62	kJ/mol	Relay (... Calculated Property
IE	9.47	eV	Relay (... Calculated Property
log10WS	-1.55		Relay (... Calculated Property
logPoct/wat	2.855		Crippen Calculated Property
Pc	600.29	kPa	Relay (... Calculated Property ⚠️
Inp	[3577.70; 3577.70]
Inp	3577.70		NIST
Inp	3577.70		NIST
Tboil	764.60	K	Relay (... Calculated Property
Tc	874.65	K	Relay (... Calculated Property
Tfus	191.07	K	Relay (... Calculated Property
Vc	2.043	m3/kmol	Relay (... Calculated Property

Similar Compounds

Find more compounds similar to Trimethyl-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-trimethylsilyloxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]silane.

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) ⚠️ Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• NIST Webbook

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