Formaldehyde Formaldehyde is a bactericide, tuberculocidal, fungicide, virucide and sporicide.After 10 min, 2% of formalin inactivates all virus, however, it takes 8% of formalin to inactivates poliovirus Glutaraldehyde Glutaraldehyde (>2% aqueous solutions pH 7.5–8.5) with sodium bicarbonate is ve...