P 2527 (OTTO) Potassium titanium fluoride, GR 98%+ Cas 16919-27-0 - used as analytical reagent, alloying additive, flame retardant and flux agent for casting. P 2527 (OTTO) Potassium titanium fluoride, GR 98%+ Cas 16919-27-0 - used in the manufacture of titanium acid and aluminum alloys containing titanium. It is also employed in metal surface treatment and finishing, detergent applications and dental impression molding. P 2527 (OTTO) Potassium titanium fluoride, GR 98%+ Cas 16919-27-0 - used as a catalyst for polypropylene synthesis.