T 2169 (OTTO) Trimethoxy(3,3,3-trifluoropropyl)silane, 97% Cas 429-60-7 - used in the manufacture of defoaming agents, releasing agents, fluoro silicone resin and coating. T 2169 (OTTO) Trimethoxy(3,3,3-trifluoropropyl)silane, 97% Cas 429-60-7 - used as a coupling agent for epoxy resin.