SIV 9209.0 Vinyltriisopropenoxysilane 15332-99-7 Gelest Crosslinking / Coupling / Curing Agents >> Silane ADHESIVE SEALANT Vinyltriisopropenoxysilane. Used as a crosslinker and a coupling agent. Vinyltriisopropenoxysilane. Used as a crosslinker and a coupling agent.