There are several chemicals that can kill snakes instantly, but the most effective one is sodium cyanide. However, it is important to note that sodium cyanide is highly toxic and can be dangerous to humans and other animals, so it should only be used by trained professionals in controlled environments. Other chemicals that have been used to kill snakes include nicotine sulphate, strychnine, and various insecticides.
There are also products available on the market that are designed to repel and kill snakes, such as Snake Fix and Snakeline. Snake Fix is a powerful reptilicide that weakens the snakes respiratory system, resulting in instant death within their hideouts. It is formulated with a pleasing fragrance and contains nicotine as its active ingredient. Snakeline, on the other hand, is a snake repellent that is created with an attractive scent that lures snakes from their hideouts, all while weakening their respiratory system and killing them instantly.
It is important to note that some common household chemicals, such as diesel fuel and mothballs, are not effective at repelling or killing snakes. If you are dealing with a snake infestation, it is recommended to contact a professional pest control service for safe and effective removal.