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Methyltrimethoxysilane

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  Post Date: Nov 21,2024
  Expiry Date: May 20,2025
  Detailed Description: Cas No. :1185-55-3 Specs:99%
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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.

  CAS Registry Number:

1185-55-3
  Synonyms: ;Trimethoxy(methyl)silane;Methytrimethoxysilane;MTMS;
  Molecular Formula: C4H12O3Si
  Molecular Weight: 136.2218
  Molecular Structure: 1185-55-3 methyltrimethoxysilane
  Hazard Symbols:  F:Flammable;
  Risk Codes: R11:;
  Safety Description: S16:;

  Company: Hangzhou Feidian Chemical Co.,Ltd     [ China ]          
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