Chemical Properties of Cycloheneicosasiloxane, dotetracontamethyl

InChI

InChI=1S/C42H126O21Si21/c1-64(2)43-65(3,4)45-67(7,8)47-69(11,12)49-71(15,16)51-73(19,20)53-75(23,24)55-77(27,28)57-79(31,32)59-81(35,36)61-83(39,40)63-84(41,42)62-82(37,38)60-80(33,34)58-78(29,30)56-76(25,26)54-74(21,22)52-72(17,18)50-70(13,14)48-68(9,10)46-66(5,6)44-64/h1-42H3

InChI Key

AXCIWEDVVHLSKG-UHFFFAOYSA-N

Formula

C42H126O21Si21

SMILES

C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1

Molecular Weight¹

1557.23

• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• 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).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔvapH°	112.19	kJ/mol	Relay (1.0) Calculated Property
logPoct/wat	15.086		Crippen Calculated Property
Inp	[3624.00; 3624.00]
Inp	3624.00		NIST
Inp	3624.00		NIST
Tboil	864.76	K	Relay (1.0) Calculated Property
Tc	802.90	K	Relay (1.0) Calculated Property
Tfus	103.52	K	Relay (1.0) Calculated Property
Vc	5.026	m3/kmol	Relay (1.0) Calculated Property

Cheméo can also estimate Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, Log10 of Water solubility in mol/l 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 Cycloheneicosasiloxane, dotetracontamethyl.

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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