Agent used for sterilization -
All are disinfectants but ethylene oxide is used for sterilizing hea-lung machines ,respiratory sutures ,dental equipments books and clothings. it is unsuitable for fumigating rooms because of its explosive propey. it has been successfully used to sterilise a wide range of materials such as glass metal and paper surfaces clothing plastics soils some foods and tobacco REF:Ananthanarayan & Panicker's Textbook of Microbiology 8th edition pg no:37
Ethylene oxide
Ionizing radiation
2% gluteraldehyde
Formaldehyde with low pressure steam
general microbiology