Siloxanes | Cyclosiloxanes | Organosiloxanes | Cyclic Siloxanes

SiSiB® PC9403

Synonym: Dihydroxypropyltetramethyldisiloxane;

Chemical Structure


SiSiB® PC9403 is a colorless or yellowish transparent liquid.

Typical Physical Properties

Chemical Name: 1,3-Di(3-Hydroxylpropyl)-1,1,3,3-Tetramethyl-Disiloxane
CAS No.: 18001-97-3
EINECS No.: 241-916-2
Empirical Formula: C10H26Si2
Molecular Weight: 218.49
Boiling Point: 75°C [20mmHg]
Flash Point: 45°C
Color and Appearance: Clear to straw liquid with mild odor
Density [25°C]: 0.953
Refractive Index [25°C]: 1.4472 [25°C]
Purity: 98% by GC


SiSiB® PC9403 can be used as endcapping agent for silicone fluid.


Customized product packing is 100ml, 250ml, 500ml, 1L and 5L bottle. Industrialized product packing is 210L steel drum or 1000L IBC tote, for more details, please visit Packing Centre.

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