Benzotriazoles

EU ECHA Invites Information On Bioaccumulation Study For 2-(2H-Benzotriazol-2-yl)-6-(1-Methyl-1-Phenylethyl)-4-(1,1,3,3-Tetramethylbutyl)phenol (CAS 73936-91-1) (Deadline 8 May 2026)

ECHA is seeking third-party information on a bioaccumulation testing proposal for a benzotriazole UV stabilizer (CAS 73936-91-1) by May 8, 2026. Companies should evaluate existing data to mitigate unnecessary testing costs and monitor for potential PBT/vPvB identification that could trigger future regulatory restrictions.

30 Mar 2026, 16:48echa.europa.euEuropean Union

EU Urban Wastewater Directive: Pharma Sector Challenges EPR Cost Estimates

The EU Urban Wastewater Treatment Directive is now in force, requiring pharmaceutical and cosmetic producers to finance advanced wastewater treatment via EPR schemes by 2028. Intense industry disputes over cost projections and legal challenges from Member States indicate significant financial liability risks and potential product portfolio re-evaluations.

28 Mar 2026, 20:34eur-lex.europa.euEuropean Union

South Korea MCEE Consults on Adding Methoxychlor, Dechlorane Plus and UV-328 to POPs Regulation

South Korea is consulting on adding Methoxychlor, Dechlorane Plus, and UV-328 to its POPs regulation to align with the Stockholm Convention. Impacted industries, including automotive, aerospace, and electronics, should prepare for mandatory phase-outs and evaluate substitution timelines for specific-use exemptions.

26 Mar 2026, 11:33opinion.lawmaking.go.krSouth Korea

EU / ECHA Adopts CoRAP Substance Evaluation Plan For 2026–2028

ECHA has adopted the 2026–2028 Community Rolling Action Plan (CoRAP), initiating formal evaluations for 27 substances with suspected high-risk profiles. Impacted businesses should prioritize dossier updates and Member State engagement to mitigate risks of future REACH restrictions or SVHC listing.

25 Mar 2026, 12:15echa.europa.euEuropean Union

Great Britain Consultation On 2026 Amendments To Persistent Organic Pollutants (POPs) Regulation

The UK is consulting on banning five new substances—including MCCPs and LC-PFCAs—and tightening existing restrictions under the GB POPs Regulation through May 2026. Impacted companies should evaluate supply chain exposure to these substances now to prepare for upcoming prohibitions on manufacture, use, and market placement.

20 Mar 2026, 10:08gov.ukUnited Kingdom

US Commerce Finalises 2023 Countervailing Duty Review of Certain Corrosion Inhibitors From China

The US Department of Commerce has finalized 2023 countervailing duty rates for Chinese corrosion inhibitors, imposing high cash deposit requirements effective March 2026. Importers face significant cost increases—exceeding 44% for key suppliers—necessitating immediate review of sourcing strategies and financial planning for affected chemical additives.

12 Mar 2026, 13:42public-inspection.federalregister.govUnited States

US Issues Final 2023 Countervailing Duty Review for Certain Corrosion Inhibitors From China

The US Department of Commerce has finalized 2023 countervailing duty rates of approximately 44% for Chinese corrosion inhibitors, effective March 12, 2026. Importers of tolyltriazole and benzotriazole must account for significantly higher cash deposits and final duty liabilities, impacting the cost-competitiveness of Chinese-sourced chemical additives.

12 Mar 2026, 13:42federalregister.govUnited States

Australia (AICIS) Finalises Changes To Industrial Chemicals Categorisation Guidelines, Effective September 2026

AICIS has finalized updates to the Industrial Chemicals Categorisation Guidelines, effective September 2026, including a significant expansion of the high-hazard chemicals list. Companies must review the 293 new high-hazard entries and updated benzotriazole requirements to ensure new chemical introductions are correctly categorized and compliant with reporting obligations.

12 Mar 2026, 12:12industrialchemicals.gov.auAustralia

Japan METI Consults on Amendments to Export Controls for Certain Chemical Substances

Japan's METI is consulting on draft amendments to export control regulations for UV-328 and PFHxS, with comments due by March 31, 2026. Exporters should prepare for stricter approval requirements as Japan aligns its trade controls with international persistent organic pollutant (POPs) standards.

9 Mar 2026, 14:33public-comment.e-gov.go.jpJapan

ECHA CLH Public Consultations: 1H‑Benzotriazole, Methyl‑1H‑Benzotriazole And Tebufenpyrad (Deadline 4 May 2026)

ECHA has opened public consultations on proposed harmonised classifications for 1H-benzotriazole, methyl-1H-benzotriazole, and tebufenpyrad, closing May 4, 2026. Potential CMR classifications for these substances would trigger mandatory labeling updates and likely lead to broader regulatory restrictions across industrial and consumer applications.

5 Mar 2026, 06:50echa.europa.euEuropean Union

ECHA Opens Consultation on Draft REACH Authorisation List Recommendation for Four Substances

ECHA has launched a consultation on adding four substances, including UV stabilisers and a flame retardant, to the REACH Authorisation List (Annex XIV). Inclusion would mandate specific EU authorisations for continued use, signaling a critical need for manufacturers to evaluate substitution strategies or prepare complex authorisation dossiers.

4 Feb 2026, 11:05echa.europa.euEuropean Union

US Commerce Initiates Five-Year Sunset Reviews of AD/CVD Orders on Corrosion Inhibitors From China

The US Department of Commerce has initiated five-year sunset reviews of antidumping and countervailing duty orders on corrosion inhibitors imported from China. Affected businesses must participate in the review process by February 2026 to influence whether these significant trade barriers remain in place or are revoked.

31 Jan 2026, 20:22federalregister.govUnited States

USITC Institutes Five-Year Reviews of Corrosion Inhibitors From China

The USITC has launched five-year sunset reviews of antidumping and countervailing duty orders on corrosion inhibitors from China. Companies should assess the risk of continued or modified trade duties, as the outcome will dictate long-term sourcing costs and market competitiveness for these substances.

31 Jan 2026, 18:35public-inspection.federalregister.govUnited States

California DTSC Issues Emergency Hazardous-Waste Permit for 1-Hydroxy-7-Azabenzotriazole at Genentech Facility

California's DTSC has issued an emergency permit to Genentech for the stabilization of shock-sensitive 1-hydroxy-7-azabenzotriazole waste. This action highlights the strict regulatory oversight and specialized handling requirements for reactive hazardous substances in California facilities.

30 Jan 2026, 13:26files.ceqanet.lci.ca.govUnited States

Shandong Province Adds Chlorpyrifos, MCCPs and UV-328 to Key Controlled New Pollutants List

Shandong Province is proposing to add Chlorpyrifos, MCCPs, and UV-328 to its 2025 Key Controlled New Pollutants List, exceeding national-level restrictions. Companies operating in Shandong must prepare for stricter local enforcement, including potential bans and discharge limits that could disrupt supply chains for chemicals and finished goods.

27 Jan 2026, 12:45mhuanbao.bjx.com.cnChina

Australia (AICIS) Consults On 2026 Industrial Chemicals Categorisation Guidelines (Closes 28 January 2026)

Australia's AICIS is consulting on significant updates to the Industrial Chemicals Categorisation Guidelines, including adding 294 substances to the high-hazard list, effective September 2026. These changes will restrict eligibility for 'exempted' or 'reported' categories for many substances, requiring businesses to reassess introduction pathways and compliance data for affected chemicals.

22 Jan 2026, 10:56industrialchemicals.gov.auAustralia

Implementation of UWWTD Quaternary Treatment and Dutch Risk Area Mapping

The recast Urban Waste Water Treatment Directive (UWWTD) entered into force on 1 January 2025, mandating advanced quaternary treatment to remove micro-pollutants from wastewater. Pharmaceutical and cosmetic producers must prepare for significant financial obligations under a new Extended Producer Responsibility (EPR) scheme covering 80% of treatment costs.

19 Dec 2025, 08:54eur-lex.europa.euEuropean UnionNetherlands

EU Proposes 27 Substances for Evaluation in Draft CoRAP Update 2026-2028

ECHA has proposed 27 substances for evaluation in the draft 2026-2028 Community Rolling Action Plan (CoRAP), with final adoption expected in March 2026. Manufacturers and importers should prepare for potential data requests and future regulatory measures, such as restrictions or harmonised classification.

12 Dec 2025, 08:29echa.europa.euEuropean Union

Japan Designates UV-328, Methoxychlor, and Dechlorane Plus as Class I Specified Chemical Substances

Japan has designated UV-328, Methoxychlor, and Dechlorane Plus as Class I Specified Chemical Substances, triggering manufacture and import bans from February 2025. Companies must urgently audit supply chains for impacted articles—including electronics, adhesives, and coatings—to meet the June 2025 deadline for product import prohibitions.

11 Dec 2025, 20:24meti.go.jpJapan

Japan MOE Fifth Advisory Recommends Class I Designation for UV-328, Dechlorane Plus, and Methoxychlor

Japan is designating UV-328, Dechlorane Plus, and Methoxychlor as Class I Specified Chemical Substances, effectively banning their manufacture and import by February 2025. Companies must urgently audit supply chains for these substances, as the import ban extends to finished products and includes refined definitions for PFHxS-related compounds.

11 Dec 2025, 19:30env.go.jpJapan