Direct supply Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride CAS 27668-52-6 with high-purity

Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride CAS 27668-52-6 Information

What is Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride CAS 27668-52-6?

1.  Weigh 2.782 kilograms of γ-chloropropyl trimethoxysilane (14 moles) and add it to a 150-liter reaction vessel equipped with a condenser and reflux device. Seal the reaction vessel, then turn on the heating mechanism and gradually heat the vessel to 40-50°C at a stirring speed of 40-80 revolutions per minute. Start adding octadecyl dimethyl amine

(2.976 kilograms, 10 moles) to the reaction vessel over a period of 3 hours. When the temperature reaches 140°C, maintain a constant temperature and allow the reaction to proceed for 36 hours under a sealed and Chemicalbook mixed solvent reflux condition to obtain the organic silane quaternary ammonium salt solution. When the organic silane quaternary ammonium salt conversion rate is determined to be 93% by nuclear magnetic resonance, stop the heating and reaction. 

2. After the solution in the reaction vessel cools to room temperature, adjust the pH of the organic silane quaternary ammonium salt to 5.5-6.5 with hydrochloric acid, homogenize and stir for 5-10 minutes, then filter with 600-800 mesh diatomite for decolorization and impurity removal, and obtain dimethyl octadecyl [3-(trimethoxysilyl)propyl] ammonium chloride.

Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride CAS 27668-52-6 Use

Dimethyl octadecyl[3-(tri-methoxy-silyl)propyl]ammonium chloride is an organic silicon quaternary ammonium salt. Quaternary ammonium salts can adsorb negatively charged bacteria and have excellent bactericidal effects. Dimethyl octadecyl[3Chemicalbook-(tri-methoxy-silyl)propyl]ammonium chloride can be used in the processing of cotton, nylon, polyester and other fiber products, and has wide applications. Recently, it has also been used in non-woven fabrics, foamed polyurethane, synthetic leather and other materials.

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