Compound Q&A

What is Trimethoxy(methyl)silane (CAS: 1185-55-3)?

Answer

Trimethoxy(methyl)silane
Trimethoxy(methyl)silane (CAS: 1185-55-3), also known as 3-methoxy-3-methyl-1,3,5-trioxasilane, is an organosilicon compound with the chemical formula C4H12OSi. It is a colorless, volatile liquid with low solubility in water but good solubility in organic solvents. This compound is characterized by its reactivity toward moisture and air, making it a precursor in the synthesis of silicone-based materials and functionalized silicones.

About

CAS No 1185-55-3
English Name Trimethoxy(methyl)silane
Molecular Formula C4H12O3Si
Molecular Weight 136.22 g/mol
SMILES CO[Si](C)(OC)OC
InChIKey BFXIKLCIZHOAAZ-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:08

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