Chemical Properties of Heptaethylene glycol, butyl ether, TMS

InChI

InChI=1S/C21H46O8Si/c1-5-6-7-22-8-9-23-10-11-24-12-13-25-14-15-26-16-17-27-18-19-28-20-21-29-30(2,3)4/h5-21H2,1-4H3

InChI Key

MVXHMENBJYUCJO-UHFFFAOYSA-N

Formula

C21H46O8Si

SMILES

CCCCOCCOCCOCCOCCOCCOCCOCCO[Si](C)(C)C

Molecular Weight¹

454.67

Other Names

• 2-(2-(2-(2-(2-(2-(2-Butoxy-ethoxy)-ethoxy)-ethoxy)-ethoxy)-ethoxy)-ethoxy)-ethyl TMS ether

• 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	1.1611		Relay (... Calculated Property
ΔfG°	-565.71	kJ/mol	Relay (... Calculated Property ⚠️
ΔfH°gas	-1590.27	kJ/mol	Relay (... Calculated Property
ΔvapH°	98.02	kJ/mol	Relay (... Calculated Property
IE	9.46	eV	Relay (... Calculated Property
log10WS	-1.81		Relay (... Calculated Property
logPoct/wat	2.754		Crippen Calculated Property
Pc	1079.15	kPa	Relay (... Calculated Property ⚠️
Inp	[2702.70; 2702.70]
Inp	2702.70		NIST
Inp	2702.70		NIST
Tboil	675.27	K	Relay (... Calculated Property
Tc	797.62	K	Relay (... Calculated Property
Tfus	187.64	K	Relay (... Calculated Property
Vc	1.462	m3/kmol	Relay (... Calculated Property

Similar Compounds

Find more compounds similar to Heptaethylene glycol, butyl ether, TMS.

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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