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CAS 40372-72-3 — Bis[3-(triethoxysilyl)propyl] tetrasulfide

Bis[3-(triethoxysilyl)propyl] tetrasulfide is an organosilicon compound primarily used as a rubber coupling agent to improve the mechanical properties of silica-filled vulcanizates. It has a molecular formula of [(CH3CH2O)3Si(CH2)3S2]2 and a molecular weight of 538.95. The CAS number is 40372-72-3, the signal word is Warning, and it requires ambient storage. Molekula supplies Bis[3-(triethoxysilyl)propyl] tetrasulfide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.