Siloxanes | Cyclosiloxanes | Organosiloxanes | Cyclic Siloxanes

SiSiB® PC9241

Synonym: Hexaethylcyclotrisiloxane

Chemical Structure


The word siloxane is derived from the words silicon, oxygen, and alkane.

Typical Physical Properties

Chemical Name: Hexaethylcyclotrisiloxane
CAS No.: 2031-79-0
EINECS No.: 217-984-4
Empirical Formula: C12H30O3Si3
Molecular Weight: 306.62
Boiling Point: 117°C [10mmHg]
Flash Point: 65°C
Color and Appearance: Colorless or yellowish transparent liquid
Density [25°C]: 0.955
Refractive Index [25°C]: 1.4308
Purity: 98% by GC


SiSiB® silanes are versatile materials used in a wide range of applications including:
Silane Coupling Agent, Silane Adhesion Promoter, Silane Hydrophobing Agent, Silane Dispersing Agent, Silane Crosslinking Agent, Silane Moisture Scavenger, Polypropylene Catalyst "Donor" Silane, Silicate Stabilizer, Polyurethane Endcapper Silane, Silane Drying Agent, Silane Curing Agent, Silane Reinforcer, Silylating Agent, Silane Reducing Agent, Silyl Building Blocks and Synthons etc.

SiSiB® siloxanes are widely used in cosmetics, deodorant, water repelling windshield coating, food additives and some soaps.


Net weight 210L steel drum or 1000L IBC container, for more details, please visit Packing Centre.

Technical Library

Download Technical Data Sheet Safety Data Sheet


Download 2010 SiSiB® SILANE Catalogue