UNSPSC 12171620: Chrome yellow

A natural yellow pigment made of lead chromate (PbCrO4). Because it tends to oxidize and darken on exposure to air over time, and contains lead, it has been largely replaced by Cadmium Yellow.

UNSPSC 12171620 Chrome yellow is a Commodity code for a pigment chemical that state and local governments purchase as a raw material or component for manufacturing, maintenance, and signage applications. The code encompasses chrome yellow pigments used in paint formulations, road marking materials, coatings, and industrial finishes. State and local buying under this code typically flows through purchasing departments sourcing pigments for in-house paint production, fleet maintenance facilities, or as inputs to vendor-supplied coatings and marking systems. The issuing bodies include state transportation departments, public works divisions, maintenance shops, and facilities management offices that consume or specify pigment inputs for equipment painting, infrastructure protection, and safety markings.

The source material provided contains no recent state and local solicitations under this code and does not identify geographic activity or specific issuing bodies currently procuring chrome yellow. Without posted RFP, RFQ, IFB, or ITB records, current market activity under the code cannot be characterized.