Agrosynth Chemicals Limited manufactures SYNFUME -Aluminium Phosphide for Controlling Infestation. Agrosynth Chemicals Limited is an ISO 9001:2000 certified company. SYNFUME -Aluminium Phosphide for Controlling Infestation is a fumigant which reacts with atmospheric moisture to liberate Phosphine [PH3] gas. The toxic phosphine gas released helps to control pests in grain flour, plant products, processed food and other stored commodities. It is also used to safeguard textiles and artifacts from pests besides exterminating beetles in palm trees, rats, snakes and rabbits. SYNFUME -Aluminium Phosphide for Controlling Infestation are available in different packing: flat tablets, spherical tablets and pellets.