CAS Registry Number

CAS 58479-61-1 — tert-Butyldiphenylchlorosilane

tert-Butyldiphenylchlorosilane is an organochlorosilane compound widely used as a silylating agent in organic synthesis, particularly for protecting hydroxyl groups in alcohols and phenols. It is also employed in the preparation of silyl ethers and as a reagent in silicon-based polymer chemistry. This clear to pale yellow liquid has a CAS number of 58479-61-1, molecular formula C16H19ClSi, and a molecular weight of 274.8606. It is stable under ambient storage conditions and carries no signal word for hazard classification. Molekula supplies tert-Butyldiphenylchlorosilane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.