Chemical Properties of Cyclotrisiloxane, hexaethyl- (CAS 2031-79-0)

InChI

InChI=1S/C12H30O3Si3/c1-7-16(8-2)13-17(9-3,10-4)15-18(11-5,12-6)14-16/h7-12H2,1-6H3

InChI Key

KMPBCFZCRNKXSA-UHFFFAOYSA-N

Formula

C12H30O3Si3

SMILES

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

Molecular Weight¹

306.62

CAS

2031-79-0

Other Names

• Hexaethylcyclotrisiloxane
• 1,1,3,3,5,5-Hexaethylcyclotrisiloxane

• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• T_triple : Triple Point Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
log10WS	2.10		Crippen Calculated Property
logPoct/wat	4.496		Crippen Calculated Property
S°liquid	[674.40; 680.80]	J/mol×K
S°liquid	674.71	J/mol×K	NIST
S°liquid	680.80	J/mol×K	NIST
S°liquid	674.40	J/mol×K	NIST
Ttriple	[280.20; 283.41]	K
Ttriple	283.41 ± 0.02	K	NIST
Ttriple	280.20 ± 0.10	K	NIST
Ttriple	283.24 ± 0.02	K	NIST
Ttriple	283.41 ± 0.02	K	NIST

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[535.30; 581.40]	J/mol×K	[298.15; 300.00]
Cp,liquid	581.40	J/mol×K	298.15	NIST
Cp,liquid	535.30	J/mol×K	298.15	NIST
Cp,liquid	536.53	J/mol×K	300.00	NIST
ΔfusH	11.42	kJ/mol	280.20	NIST
ΔvapH	[57.90; 58.70]	kJ/mol	[454.50; 475.00]
ΔvapH	57.90	kJ/mol	454.50	NIST
ΔvapH	58.70	kJ/mol	475.00	NIST

Similar Compounds

Find more compounds similar to Cyclotrisiloxane, hexaethyl-.

Sources

• Crippen Method
• Crippen Method
• NIST Webbook

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