Chemists at Degesch added a cautionary eye irritant to a less volatile cyanide compound which reacted with water in the presence of heat to become hydrogen cyanide.
Os químicos de Degesch engadiron un irritante de ollos admonitorio a un composto de cianuro menos volátil que reaccionaba coa auga na presenza de calor converténdose en cianuro de hidróxeno.