Siloxanes | Cyclosiloxanes | Organosiloxanes | Cyclic Siloxanes

SiSiB® PC9400

Synonym: 1,1,3,3-Tetramethyl-disiloxane;

Countertype of Wacker Siloxane HSi2

Chemical Structure


SiSiB® PC9400 is a colorless clear liquid.

Typical Physical Properties

Chemical Name: Tetramethyldisiloxane
CAS No.: 3277-26-7 or 30110-74-8
EINECS No.: 221-906-4
Empirical Formula: C4H14OSi2
Molecular Weight: 134.33
Boiling Point: 70°C [760mmHg]
Flash Point: -12°C
Color and Appearance: Colorless or yellowish transparent liquid
Density [25°C]: 0.757
Refractive Index [25°C]: 1.3669[25°C]
Purity: 99% by GC


SiSiB® PC9400 is used in for Plasma Enhanced Chemical Vapor Deposition (PECVD) of glass on a variety of substrates at low temperature.

SiSiB® PC9400 is also employed in reductive halogenation of aldehydes and epoxides.


Net weight 20Kg or 130Kg steel drum, for more details, please visit Packing Centre.

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