Chemical Properties of 3,25-Bis[(trimethylsilyl)oxy]cholest-5-ene, (3«beta»)- (CAS 33287-27-3)

InChI

InChI=1S/C33H62O2Si2/c1-24(13-12-20-31(2,3)35-37(9,10)11)28-16-17-29-27-15-14-25-23-26(34-36(6,7)8)18-21-32(25,4)30(27)19-22-33(28,29)5/h14,24,26-30H,12-13,15-23H2,1-11H3

InChI Key

GIKJLUWETSCXLS-UHFFFAOYSA-N

Formula

C33H62O2Si2

SMILES

CC(CCCC(C)(C)O[Si](C)(C)C)C1CCC2C3CC=C4CC(O[Si](C)(C)C)CCC4(C)C3CCC12C

Molecular Weight¹

547.02

CAS

33287-27-3

Other Names

• Silane, [[(3«beta»)-cholest-5-ene-3,25-diyl]bis(oxy)]bis[trimethyl-
• Silane, (cholest-5-en-3«beta»,25-ylenedioxy)bis[trimethyl-
• 25-Hydroxycholesterol, (2TMS)
• 5-Cholesten-3«beta»,25-diol, diTMS
• 5-Cholesten-3beta,25-diol, bisTMS
• Cholesterol, 25-hydroxy, bis-TMS
• Cholesterol, 25-hydroxy, TMS
• 5-Cholesten-3B,25-diol, TMS
• 25-Hydroxycholesterol, di(trimethylsilyl) ether
• 5-Cholesten-3-«beta»,25-diol, TMS
• 25-Hydroxycholesterol, TMS
• 25-Hydroxycholesterol, 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	0.7304		Relay (... Calculated Property
ΔfG°	149.69	kJ/mol	Relay (... Calculated Property ⚠️
ΔfH°gas	-887.90	kJ/mol	Relay (... Calculated Property
ΔvapH°	123.95	kJ/mol	Relay (... Calculated Property
IE	8.58	eV	Relay (... Calculated Property
log10WS	-7.93		Relay (... Calculated Property
logPoct/wat	10.222		Crippen Calculated Property
Pc	-361.15	kPa	Relay (... Calculated Property ⚠️
Inp	[3399.00; 3405.00]
Inp	3399.00		NIST
Inp	3405.00		NIST
Tboil	708.67	K	Relay (... Calculated Property
Tc	956.75	K	Relay (... Calculated Property
Tfus	376.55	K	Relay (... Calculated Property
Vc	1.835	m3/kmol	Relay (... Calculated Property

Similar Compounds

Find more compounds similar to 3,25-Bis[(trimethylsilyl)oxy]cholest-5-ene, (3«beta»)-.

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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