On July 15, 2025, the European Commission adopted an amendment to Regulation (EU) 2019/1021 on persistent organic pollutants (POPs), inserting the chemical UV-328 into Annex I, thereby prohibiting its manufacture, use and trade and laying down specific exemptions together with transitional arrangements.
Background
UV-328 is an ultraviolet-light stabiliser widely used in coatings, plastics, automotive parts and aerospace materials. In May 2023, the eleventh meeting of the Conference of the Parties to the Stockholm Convention (SC-11) decided to list UV-328 in Annex A (elimination) with certain specific exemptions. The Council of the European Union endorsed this decision through Council Decision (EU) 2023/1006. The present EU-level legislative act implements these international obligations.
Control Measures
The following entry is added to Part A of Annex I to Regulation (EU) 2019/1021:
Substance | CAS No | EC No | Specific exemption on intermediate use or other specification |
‘2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol (UV-328) | 25973-55-1 | 247-384-8 | 1. For the purposes of this entry, Article 4(1), point (b), shall apply to concentrations of UV-328 equal to or below: (a) 100 mg/kg (0,01 % by weight) from August 4, 2025; (b) 10 mg/kg (0,001 % by weight) from August 4, 2027; (c) 1 mg/kg (0,0001 % by weight) from August 4, 2029; where they are present in substances, mixtures, or articles. 2. By way of derogation, the placing on the market of UV-328 present in articles and the use of such articles shall be allowed for the following purposes: (a) In land-based motor vehicles, until August 4, 2030; (b) in industrial coating for land-based motor vehicles, engineering machines, rail transportation vehicles, and in heavy-duty coatings for large steel structures, until August 4, 2030; (c) in mechanical separators in blood collection tubes, until August 4, 2030; (d) in triacetyl cellulose film in polarisers, until August 4, 2030; (e) in photographic paper, until August 4, 2030; (f) in civilian and military aircrafts, until August 4, 2030; (g) in spare parts for any of the following: (i) land-based motor vehicles; (ii) stationary industrial machines for use in agriculture, forestry and construction; (iii) liquid crystal displays in instruments for analysis, measurements, control, monitoring, testing, production and inspection, other than for medical applications; where UV-328 was initially used in their production, until the end of their service life or 31 December 2043, whichever comes earlier; (h) in spare parts for any of the following: (i) liquid crystal displays in devices within the scope of Regulation (EU) 2017/745, and within the scope of Regulation (EU) 2017/746 of the European Parliament and of the Council (*1); (ii) liquid crystal displays in instruments for analysis, measurements, control, testing, production and inspection; where UV-328 was initially used in their production, until the end of their service life; (i) in spare parts for civilian and military aircrafts where UV-328 was initially used in their production, until December 31, 2030. 3. Articles containing UV-328 already in use in the Union before or on the date of expiry of the relevant exemption laid down in point 2(a) to (i) may continue to be used.
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CIRS Reminder
UV-328 is a widely used ultraviolet light absorber in plastics, coatings, and cosmetics, effectively preventing material degradation due to UV exposure. CIRS advises companies exporting to Europe to verify the content of UV-328 in their products to avoid non-compliance and potential losses.
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