Chemical Properties of Octadecanoic acid, 2,3-bis[(trimethylsilyl)oxy]propyl ester (CAS 1188-75-6)

InChI

InChI=1S/C27H58O4Si2/c1-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-27(28)29-24-26(31-33(5,6)7)25-30-32(2,3)4/h26H,8-25H2,1-7H3

InChI Key

DPQSOLLSNCYGEP-UHFFFAOYSA-N

Formula

C27H58O4Si2

SMILES

CCCCCCCCCCCCCCCCCC(=O)OCC(CO[Si](C)(C)C)O[Si](C)(C)C

Molecular Weight¹

502.92

CAS

1188-75-6

Other Names

• Stearic acid, 2,3-bis(trimethylsiloxy)propyl ester
• 2,3-Bis[(trimethylsilyl)oxy]propyl stearate
• Octadecanoic acid, 2,3-bis-(OTMS) propyl ester
• Bis(trimethylsilyl)monostearin
• monostearin TMS
• Octadecanoic acid, 2,3-bis-(OTMS) propyl ester («alpha»-glyceryl stearate)
• «alpha»-Glyceryl stearate, di-TMS
• Glycerol monostearate, 2tms derivative

• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• 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).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔfH°gas	-1360.24	kJ/mol	Relay (1.0) Calculated Property
ΔvapH°	115.56	kJ/mol	Relay (1.0) Calculated Property
log10WS	-6.97		Relay (1.0) Calculated Property
logPoct/wat	8.863		Crippen Calculated Property
Inp	[2766.70; 2808.00]
Inp	2808.00		NIST
Inp	2766.70		NIST
Inp	2806.00		NIST
Inp	2808.00		NIST
Inp	2806.00		NIST
Inp	2806.00		NIST
Inp	2766.70		NIST
Tboil	655.89	K	Relay (1.0) Calculated Property
Tc	815.53	K	Relay (1.0) Calculated Property
Tfus	277.14	K	Relay (1.0) Calculated Property

Cheméo can also estimate Critical Volume, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Similar Compounds

Find more compounds similar to Octadecanoic acid, 2,3-bis[(trimethylsilyl)oxy]propyl ester.

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

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
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