but none of these has been found effective for so-called 'improved wood' made up of wood veneers impregnated with phenol-formaldehyde or other resin and compressed and bonded at a high temperature.
Phenol, common in disinfectants and soaps, is especially toxic to cats and can cause liver damage. Formaldehyde can cause skin irritation and has been linked to cancer in pets. “Phthalates ...