Para Octyl Phenol is a chemical compound from the group of alkylphenols . The substance acts estrogen and is one of the endocrine disruptors. Octylphenol is used 98% for the preparation of octylphenol-formaldehyde resins for tire rubber, insulating paint, printing inks, etc. A small part is used for the preparation of octylphenol ethoxylates, a group of nonionic surfactants , such as. B. Octoxinol 9 consumed.