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Native and Mass-Labelled UV-328 Reference Standards

UV-328 is a UV absorber added to paints and plastics to protect surfaces against degradation from UV light. Applications of UV-328 range from automotive coatings to food packaging, making plastic waste and debris potential sources of environmental contamination. Several studies have detected UV-328 in air, soil, and biota including humans, and it has been linked to liver and kidney damage.

In May 2023, UV-328 was listed under Annex A of the Stockholm Convention making it the first non-halogenated substance to be added. In response, Wellington has prepared certified reference standards of both native and mass-labelled UV-328 to aid researchers in the detection and quanitifcation of this toxic chemical.