CAS Registry Number

CAS 75-78-5 — Dimethyldichlorosilane (85 %)

Dimethyldichlorosilane (85%) is a reactive organosilicon compound primarily used as a precursor in the synthesis of silicones, silicone resins, and water-repellent coatings. It serves as a key intermediate in the production of polydimethylsiloxane (PDMS) and other silicone-based materials. This chemical has a CAS number of 75-78-5, with the molecular formula (CH3)2SiCl2 and a molecular weight of 129.06 g/mol. It must be stored between 2 to 8°C and is classified with a signal word of *Danger*. Molekula supplies Dimethyldichlorosilane (85%) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.