PC 7500 Silane Vinyl tris(methylethylketoxime)silane 2224-33-1 Power Chemical Crosslinking / Coupling / Curing Agents >> Silane Silicones (Si) SEALANT Vinyl Tris(methylethylketoxime)silane . Neutral crosslinker for silicone RTV's Vinyl oximino silane. Used as neutral crosslinker for silicone RTV's sealants.