CAS 540-97-6 2,2,4,4,6,6,8,8,10,10,12,12-Dodecamethylcyclohexasiloxane

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Salt

2,2,4,4,6,6,8,8,10,10,12,12-Dodecamethylcyclohexasiloxane

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Catalog Number

ACM540976

Product Name

2,2,4,4,6,6,8,8,10,10,12,12-Dodecamethylcyclohexasiloxane

Structure

CAS

540-97-6

Category

Salt

Description

Liquid

IUPAC Name

2,2,4,4,6,6,8,8,10,10,12,12-dodecamethyl-1,3,5,7,9,11-hexaoxa-2,4,6,8,10,12-hexasilacyclododecane

Molecular Weight

444.92g/mol

Molecular Formula

C12H36O6Si6

Canonical SMILES

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

InChI

InChI=1S/C12H36O6Si6/c1-19(2)13-20(3,4)15-22(7,8)17-24(11,12)18-23(9,10)16-21(5,6)14-19/h1-12H3

InChI Key

IUMSDRXLFWAGNT-UHFFFAOYSA-N

Boiling Point

245.0 °C;245 °C

Melting Point

-3.0 °C;-3 °C

Flash Point

91 °C (196 °F) - closed cup

Density

0.9672 g/cu cm at 25 °C

Solubility

1.15e-08 M;In water, 0.0051 mg/L at 23 °C

Color/Form

Oily liquid;Clear, siloxane fluid

Complexity

320

Covalently-Bonded Unit Count

EC Number

208-762-8

Exact Mass

444.112748g/mol

Formal Charge

Heat of Vaporization

Enthalpy of vaporization: 56.1 to 62.6 kJ/mol

Heavy Atom Count

Log P

9.06 (LogP);log Kow = 8.87

MeSH Entry Terms

dodecamethylcyclohexasiloxane

Monoisotopic Mass

444.112748g/mol

Odor

Odorless

Other Experimental

Molar volume = 436.8 cu cm/mol at 23 °C;Henry's Law constant = 25.0 atm-cu m/mole at 25 °C;Hydroxyl radical reaction rate constant = 1.80X10-12 cu cm/molecule-sec at 25 °C (est)

Refractive Index

Index of refraction = 1.4015 at 20 °C

Rotatable Bond Count

Stability

Stable under recommended storage conditions.

UNII

XHK3U310BA

Vapor Pressure

0.02 mmHg;0.0169 mm Hg at 25 °C

Viscosity

6.62 cSt

MSDS