Chemical Properties of 1,2-Bis(trimethylsiloxy)ethane (CAS 7381-30-8)

InChI

InChI=1S/C8H22O2Si2/c1-11(2,3)9-7-8-10-12(4,5)6/h7-8H2,1-6H3

InChI Key

JGWFUSVYECJQDT-UHFFFAOYSA-N

Formula

C8H22O2Si2

SMILES

C[Si](C)(C)OCCO[Si](C)(C)C

Molecular Weight¹

206.43

CAS

7381-30-8

Other Names

• 3,6-Dioxa-2,7-disilaoctane, 2,2,7,7-tetramethyl-
• Ethylene glycol, bistrimethylsilyl ether
• 2,2,7,7-Tetramethyl-3,6-dioxa-2,7-disilaoctane
• Ethylene glycol, di-TMS
• Ethylene glycol, TMS

• 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	0.4538		Relay (1.0) Calculated Property
ΔfG°	-171.41	kJ/mol	Relay (1.0-beta) Calculated Property
ΔfH°gas	-690.01	kJ/mol	Relay (1.0) Calculated Property
ΔvapH°	46.20	kJ/mol	Relay (1.0) Calculated Property
IE	9.51	eV	Relay (1.0) Calculated Property
log10WS	-1.22		Relay (1.0) Calculated Property
logPoct/wat	2.689		Crippen Calculated Property
Pc	1738.68	kPa	Relay (1.0-beta) Calculated Property
Inp	[975.70; 993.00]
Inp	992.00		NIST
Inp	975.70		NIST
Inp	993.00		NIST
Inp	990.00		NIST
Inp	989.00		NIST
Inp	975.70		NIST
Tboil	449.14	K	Relay (1.0) Calculated Property
Tc	591.17	K	Relay (1.0) Calculated Property
Tfus	246.61	K	Relay (1.0) Calculated Property
Vc	0.735	m3/kmol	Relay (1.0) Calculated Property

Similar Compounds

Find more compounds similar to 1,2-Bis(trimethylsiloxy)ethane.

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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