Phenol

Also known as alkyl phenoxy polyethoxy ethanol and nonyl phenoxy ethoxylate.

Very toxic. Suspected carcinogen. Swelling, pimples, and hives are common. Internal consumption can cause circulatory collapse, convulsions, cold sweats, coma, and death. Found in laundry detergents, all-purpose cleaners, air fresheners, disinfectants, and furniture polishes.