Chemical Properties of Cyclononadecasiloxane, octatriacontamethyl

InChI

InChI=1S/C38H114O19Si19/c1-58(2)39-59(3,4)41-61(7,8)43-63(11,12)45-65(15,16)47-67(19,20)49-69(23,24)51-71(27,28)53-73(31,32)55-75(35,36)57-76(37,38)56-74(33,34)54-72(29,30)52-70(25,26)50-68(21,22)48-66(17,18)46-64(13,14)44-62(9,10)42-60(5,6)40-58/h1-38H3

InChI Key

NONJZHMTYPZINL-UHFFFAOYSA-N

Formula

C38H114O19Si19

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)O1

Molecular Weight¹

1408.92

• 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°	106.75	kJ/mol	Relay (1.0) Calculated Property
logPoct/wat	13.650		Crippen Calculated Property
Inp	[3354.00; 3354.00]
Inp	3354.00		NIST
Inp	3354.00		NIST
Tboil	819.84	K	Relay (1.0) Calculated Property
Tc	786.86	K	Relay (1.0) Calculated Property
Tfus	126.86	K	Relay (1.0) Calculated Property
Vc	4.561	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 Cyclononadecasiloxane, octatriacontamethyl.

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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