Dr. Luca Mantilli, R&D chemist at Valsynthese, the fine chemical unit of the Société Suisse des Explosifs Group (SSE), will guide you through the journey that Valsynthese as CDMO has done in phosgenation. The advantages and synthetic possibilities of phosgene, an extremely versatile reagent, will be highlighted with respect to other alternatives, same as the safety measures needed when working with such hazardous building blocks.