CAS Registry Number

CAS 75-77-4 — Chlorotrimethylsilane

Chlorotrimethylsilane is an organosilicon compound widely used as a silylating agent in organic synthesis, polymer chemistry, and surface modification to introduce trimethylsilyl groups. It functions as a reagent in the protection of hydroxyl groups, silylation of substrates, and as a precursor in the production of silicone-based materials. This chemical has a CAS number of 75-77-4, with the molecular formula (CH3)3SiCl and a molecular weight of 100.64 g/mol. It is stored at ambient conditions and carries a **Danger** signal word due to its corrosive and flammable properties. Molekula supplies Chlorotrimethylsilane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.