Coal tar pitch is the primary binder used to manufacture prebaked carbon anodes, which are consumed in the electrolytic reduction of alumina to aluminum metal. Each ton of primary aluminum requires a significant quantity of anode material, making pitch supply a direct constraint on smelter output. Disruptions in coal tar pitch availability — driven by coking coal production levels or competing demand from graphite electrode manufacturers — can affect aluminum production costs and timelines.

Coal tar pitch is classified as a hazardous material (UN 1999 or similar, depending on form and temperature) and a probable human carcinogen due to its PAH content. Imports require a DOT-compliant shipping description, an OSHA-compliant Safety Data Sheet, and potentially EPA TSCA and TRI compliance documentation. Importers should work with a licensed customs broker and environmental compliance counsel to ensure all entry and transport documentation is in order.