All are sporicidal agents except ?
Other disinfectants are used for destroying spores. Isoprpylalchohol is an antiseptic used mainly as skin disinfectant and act by denaturing bacterial proteins REF:Ananthanarayan & Panicker's Textbook of Microbiology 9th edition pg no:34
Formaldehyde
Glutaraldehyde
Ethylene oxide
Isopropyl alcohol
general microbiology