- A product of the petroleum industry used in the production of phenolic resin, epoxy resins, plasters, and exterior plywood glue. Phenol is made from benzene. It exists naturally in coal tar and wood tar. However, phenol from these sources is rarely used in the production of glue.
- A white or colorless solid whose chemical formula is C6H5OH, and which is used, for instance, in thermosetting plastics. Also called carbolic acid.