C 8118 (OTTO) Cyclohexyldimethoxymethylsilane, 99.5% Cas 17865-32-6 - used as a high-efficient and non-toxic catalyst for propylene polymerization. C 8118 (OTTO) Cyclohexyldimethoxymethylsilane, 99.5% Cas 17865-32-6 - can increase yield of polymer per unit weight of catalyst.