1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane
[CAS 3390-61-2]

Identification

• Classification: Chemical reagent >> Silane reagent
• Name: 1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane
• Synonyms: 1,3,5-Trimethyl-1,1,3,5,5-pentaphenyltrisiloxane
• Molecular Formula: C₃₃H₃₄O₂Si₃
• Molecular Weight: 546.88
• CAS Registry Number: 3390-61-2
• EC Number: 222-222-9

Properties

• Density: 1.09
• Melting point: -25 °C
• Boiling point: 225 °C (0.5 mmHg)
• Flash point: 101 °C
• Water solubility: insoluble

Safety Data

• Hazard Symbols: Xi
• Risk Statements: R36
• Safety Statements: S26;S39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319

Discovery and Applications

2021. Dicationic disiloxane ionic liquids as heat transfer agents in vacuo. Russian Chemical Bulletin.
DOI: 10.1007/s11172-021-3085-7

2018. Capillarity-Driven Oil Flow in Nanopores: Darcy Scale Analysis of Lucas–Washburn Imbibition Dynamics. Transport in Porous Media.
DOI: 10.1007/s11242-018-1133-z

2015. Synthesis and properties of dicationic ionic liquids containing a siloxane structural moiety. Russian Journal of Physical Chemistry A.
DOI: 10.1134/s0036024415120134