In air, cyanide is mainly found as gaseous hydrogen cyanide; a small amount is present as high-quality dust particles. POTASSIUM CYANIDE is actually a basic salt and also a cutting down agent. Reacts with acids of all types to generate poisonous hydrogen cyanide gas. Can respond violently with oxidizing agents: https://finnuxawq.answerblogs.com/30217896/5-tips-about-potassium-cyanide-lethal-dose-mg-kg-you-can-use-today