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

InChI

InChI=1S/C22H50O9Si2/c1-32(2,3)30-21-19-28-17-15-26-13-11-24-9-7-23-8-10-25-12-14-27-16-18-29-20-22-31-33(4,5)6/h7-22H2,1-6H3

InChI Key

OREIQYPCZFYCKP-UHFFFAOYSA-N

Formula

C22H50O9Si2

SMILES

C[Si](C)(C)OCCOCCOCCOCCOCCOCCOCCOCCO[Si](C)(C)C

Molecular Weight¹

514.80

Other Names

• 3,6,9,12,15,18,21,24,27-Nonaoxa-2,28-disilanonacosane, 2,2,28,28-tetramethyl-
• Octaethylene glycol, bistrimethylsilyl ether
• Octaethylene 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	1.2164		Relay (... Calculated Property
ΔfG°	-629.57	kJ/mol	Relay (... Calculated Property ⚠️
ΔfH°gas	-1833.83	kJ/mol	Relay (... Calculated Property
ΔvapH°	98.29	kJ/mol	Relay (... Calculated Property
IE	9.41	eV	Relay (... Calculated Property
log10WS	-1.51		Relay (... Calculated Property
logPoct/wat	2.806		Crippen Calculated Property
Pc	872.77	kPa	Relay (... Calculated Property ⚠️
Inp	[2794.50; 2794.50]
Inp	2794.50		NIST
Inp	2794.50		NIST
Tboil	688.61	K	Relay (... Calculated Property
Tc	811.13	K	Relay (... Calculated Property
Tfus	209.87	K	Relay (... Calculated Property
Vc	1.658	m3/kmol	Relay (... Calculated Property

Similar Compounds

Find more compounds similar to Trimethyl-[2-[2-[2-[2-[2-[2-[2-(2-trimethylsilyloxyethoxy)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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