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SiSiB® PC9911

3-(Trimethoxysilyl)propyldimethyloctodecyl-Ammonium Chloride
Synonym: N,N'-Dimethyl-N-Octodecyltrimethoxysilylpropyl-Ammonium Chloride;
N,N'-Dimethyl-N-(3-(Trimethoxysilyl)Propyl)Octadecyl-1-Aminonium Chloride;
Octadecyldimethyl(3-Trimethoxysilylpropyl)-Ammonium Chloride

Countertype of DowCorning 5700, 9-6346

Chemical Structure


SiSiB® PC9911, 3-trimethoxysilylpropyldimethyloctadecyl ammonium chloride is compatible with virtually all substrates, including natural and synthetic fibers. It is colorless and odorless and durable for the life of the treated surface.

Typical Physical Properties

Chemical Name: 3-(Trimethoxysilyl)propyldimethyloctodecyl-Ammonium Chloride 60% in MeOH
CAS No.: 27668-52-6
EINECS No.: 248-595-8
Empirical Formula: C26H58ClNO3Si
Molecular Weight: 496.28
Boiling Point: 68°C [760mmHg]
Flash Point: 15°C
Color and Appearance: Yellowish clear liquid
Density [25°C]: 0.89
Refractive Index [25°C]: N/A [25°C]
Active Concentrate: 40~60%


SiSiB® PC9911 antimicrobial can impart durable biostatic activity to the surface of a wide variety of substrates. Durable bacteriostatic, fungistatic and algistatic surfaces can be attained with a minimum amount of SiSiB® PC9911.

SiSiB® PC9911 is effective against mold, mildew and algae as a static agent.

SiSiB® PC9911 can provide freshness and combats deterioration and discoloration caused by bacteria, fungi and algae.


Net weight 20Kg plastic drum or 180Kg steel drum, for more details, please visit Packing Centre.

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