Silane | Silanes | Chloro Silanes

SiSiB® PC5820

Synonym: Trichlorosilyldodecane

Chemical Structure


SiSiB® PC5820 is an amphiphilic molecule consisting of a long-chain alkyl group (C12H37–) and a polar head group (SiCl3–), which forms Self assembled monolayers (SAMs) on various oxidic substrates.

It is flammable, reacts violently with water, and is sensitive to air. It is corrosive and can severely damage mucous membranes.

Typical Physical Properties

Chemical Name: Dodecyltrichlorosilane
CAS No.: 4484-72-4
EINECS No.: 224-769-9
Empirical Formula: C12H25Cl3Si
Molecular Weight: 303.77
Boiling Point: 155°C [10mmHg]
Flash Point: 165°C
Color and Appearance: Colorless to yellowish transparent liquid
Density [25°C]: 1.30
Refractive Index [25°C]: 1.4581 [25°C]
Purity: 97% by GC


SiSiB® PC5820 can be used as the raw material for SiSiB® PC5821 and SiSiB® PC5822.

SiSiB® PC5820 can be used as a surface modifier for Potassium Titanate Whiskers.

SiSiB® PC5820 can be in semiconductor industry to form self-assembled monolayer thin films on silicon dioxide substrates.


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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