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Wacker(M1-Trimethoxy) 1185-55-3
Category : Catalyst and Auxiliary
CAS NO : EC NO : 214-685-0 MF : C4H12O3Si MW : 136.2218 Specification : 98% Packing : 200kg/drum Product description : As a crosslinking agent for room temperature cured silicone rubber, coupling agent for glass fiber and SiO2 silane couping agent Methyltrimethoxysilane CAS No.:1185-55-3 Silane couping agent KH-370 Introduction: KH-370, an alkylalkoxysilane is an important component in sol-gel system. It is a colorless liquid. Typical Physical Properties: CAS No.: 1185-55-3 Molecular Weight: 136.22 Boiling Point<760mmHg>: 101 Flash Point: 12 Color and appearance: colorless clear liquid Density<20/20>: 0.950 Refractive Index<20>: 1.369+0.0005 Min. Purity: 98.0% Applications: As a crosslinking agent for room temperature cured silicone rubber, coupling agent for glass fiber and SiO2, a strengthing treatment agent for plastic-layer pressing material. The most common alkoxy crosslinkers are methoxy or ethoxy silanes due to their high reactivity. The reaction precedes by nucleophilic substitution usually in the presence of acid or base catalysts. Alkoxides react directly with silanols or with water to produce silanols. The newly formed silanols can react with other alkoxides or self-condense to produce a siloxane bond and water. When an acid catalyst is used, protonation of the alkoxysilane increases the reactivity of the leaving group. When a base catalyst is used, deprotonation of the silanol forms a reactive silonate anion. The by-product of the reaction is an alcohol. Common metal catalysts for these reactions are alkoxytitanium derivatives and dibutyltin dicarboxylates Uses : Pharmaceutical Intermediates, Syntheses Material Intermediates Synonyms : Trimethoxy(methyl)silane;Methytrimethoxysilane;MTMS; Molecular Structure :
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