A catastrophic for bombing, blow out a buzz word "sodium cyanide". For chemicals is unfamiliar, the explosion occurred, tianjin chemical warehouse explosion, there are media reports that the scene more than 700 tons of sodium cyanide, this makes people talk about the color of change. For sodium cyanide, most people the deepest impression is the deadly poison. Sodium cyanide and potassium cyanide, hydrocyanic acid is a highly toxic substance in the cyanide, in the film and television works, novel and even in the cartoon, often be used as the plot, such as poisoning or suicide in reality also we see news reports of cyanide poisoning.