From the Manufacturer's Label:
Kills odors & cleans on contact. Sanitizes and deodorizes all washable surfaces such as crates, grooming tables, exam tables, kennels, and fabrics in one easy step. It will not discolor clothing and has no bleach odor. Less expensive to use than bleach. Super concentrated; one half an ounce makes a gallon of ready-to-use deodorizing cleaner. Contains no Phenol, alkalies, acids or ammonia. OdoKleen is phosphate-free, biodegradable, has a neutral pH, and is safe to use around pets. Apply with mop, sponge or sprayer; and may be added to carpet shampoo when cleaning and deodorizing carpeting. Not for use directly on pets.