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Di(ethoxy)di(phenoxy)silane, also known as bis(phenoxy)diethoxysilane, is an organosilicon compound with the chemical formula C14H18O4Si. It is a colorless to pale yellow liquid that is soluble in organic solvents and has a molecular weight of 286.38 g/mol. di(ethoxy)di(phenoxy)silane is primarily used as a coupling agent in the production of composite materials, particularly in the reinforcement of plastics and rubber with glass fibers. It functions by forming covalent bonds between the inorganic fillers and the organic matrix, enhancing the mechanical properties and durability of the composite. Di(ethoxy)di(phenoxy)silane is also employed as a crosslinking agent in the synthesis of silicone resins and as a silylating agent in organic synthesis. Due to its reactivity with moisture, it is typically handled under anhydrous conditions.

1521-15-9

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1521-15-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1521-15-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,2 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1521-15:
(6*1)+(5*5)+(4*2)+(3*1)+(2*1)+(1*5)=49
49 % 10 = 9
So 1521-15-9 is a valid CAS Registry Number.

1521-15-9Downstream Products

1521-15-9Relevant academic research and scientific papers

PRODUCTION METHOD FOR ALKOXYSILANES

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Paragraph 0096; 0097; 0126, (2016/01/30)

Provided is a method for efficiently producing alkoxysilanes that are useful as various functional chemicals. In order to produce alkoxysilanes efficiently, an ethoxy- or methoxysilane and an alcohol are caused to react using, as a catalyst, for instance an inorganic solid acid having a regular-pore and/or layered structure. Zeolites, montmorillonites or the like can be used as the inorganic solid acid. When a zeolite is used as the catalyst, the silica/alumina ratio of the zeolite ranges preferably from 5 to 1000. The reaction can be promoted through irradiation of microwaves.

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