Currently, in the world, there are lots of chemicals used for exterminating insects, in which, however, there are only two chemicals most-used and accepted in almost countries, namely Methyl Bromide (CH3Br) and Aluminium Phosphide (AlP) – the initial component creating Phosphine (PH3). Both these chemicals – Methyl Bromide and Phosphine – affect insects in gas, which is given off fumigated space after a necessary exposure time so that goods can be used in as requested