Silazane | Silylating Agent | Pharmaceutical Manufacturing | Silane Blocking Agents

SiSiB® PC9220

Hexamethyldisilane .
Synonym: 2,2,3,3-Tetramethyl-2,3-disilabutane

Chemical Structure


SiSiB® disilanes are attracting attention for their use as silylating reagents, ceramic precursors, optoelectronic materials, etc. Alkyldisilanes and alkylhalodisilanes are essential compounds of the disilanes.

Typical Physical Properties

Chemical Name: Hexamethyldisilane
CAS No.: 1450-14-2
EINECS No.: 215-911-0
Empirical Formula: C6H18Si2
Molecular Weight: 146.38
Boiling Point: 112°C [760mmHg]
Flash Point: -10°C
Color and Appearance: Colorless clear liquid
Density [25°C]: 0.729
Refractive Index [25°C]: 1.4214
Purity: 99% 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® PC9220 is used as silylation agent, protective agent.


Net weight 130Kg steel drum, for more details, please visit Packing Centre.

Technical Library

Download Technical Data Sheet Safety Data Sheet


Download 2010 SiSiB® SILANE Catalogue