A group of chemical compounds used as corrosion inhibitors, UV stabilizers, and industrial intermediates, subject to increasing environmental scrutiny and water quality standards due to their persistence and potential for aquatic toxicity.
Foresight tracks Benzotriazoles developments and surfaces the alerts most likely to matter before they turn into missed deadlines, recalls, or escalation work.
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Last updated
13 April 2026, 20:15
Source-backed regulatory and guidance signals tracked by Foresight, with the newest developments first.
Denmark: Consumer Council Tænk Finds Harmful Chemicals in Dishwasher Detergents
In April 2026 the Danish Consumer Council Tænk published testing showing that several popular dishwasher detergents contain benzotriazole and other problematic chemicals, including a suspected carcinogen, while many eco-labelled, fragrance-free products avoid these substances. Although no recalls or regulatory action have followed yet, the findings increase pressure on detergent manufacturers to reformulate, reinforce the value of trusted ecolabels, and may accelerate tighter controls on persistent endocrine-disrupting ingredients in cleaning products.
DenmarkEU 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 has opened a consultation on a bioaccumulation testing proposal for a benzotriazole UV stabilizer with a submission deadline of May 8, 2026. Companies should review available data to prevent unnecessary animal testing and assess the risk of future PBT-based restrictions on this substance.
European UnionEU Urban Wastewater Directive: Pharma Sector Challenges EPR Cost Estimates
The EU Urban Wastewater Treatment Directive has entered into force, requiring pharmaceutical and cosmetic producers to finance advanced wastewater treatment via EPR schemes by 2028. Disputed cost projections and emerging legal challenges suggest significant financial liabilities and potential risks to product availability and portfolio viability.
European UnionSouth Korea MCEE Consults on Adding Methoxychlor, Dechlorane Plus and UV-328 to POPs Regulation
South Korea is proposing to ban Methoxychlor, Dechlorane Plus, and UV-328 to align national persistent organic pollutant controls with the Stockholm Convention. Affected sectors including automotive and electronics must secure supply chains and accelerate substitution efforts before time-limited exemptions expire.
South KoreaEU / ECHA Adopts CoRAP Substance Evaluation Plan For 2026–2028
ECHA has finalized the 2026–2028 Community Rolling Action Plan, scheduling 27 substances for formal evaluation by Member State authorities. Impacted companies should review registration dossiers and engage with evaluating authorities to address concerns regarding potential future restrictions or SVHC listing.
European UnionGreat Britain Consultation On 2026 Amendments To Persistent Organic Pollutants (POPs) Regulation
The UK is consulting through May 2026 on prohibiting five major substance groups, including MCCPs and LC-PFCAs, under the GB Persistent Organic Pollutants Regulation. Businesses should evaluate supply chain exposure immediately to mitigate the risk of total market bans and ensure compliance with diverging UK and EU chemical standards.
United KingdomUS Commerce Finalises 2023 Countervailing Duty Review of Certain Corrosion Inhibitors From China
US authorities have finalized high countervailing duty rates exceeding 44 percent for Chinese corrosion inhibitors effective March 2026. This decision imposes significant financial burdens on importers and necessitates an immediate strategic review of supply chain costs and sourcing alternatives for these chemical additives.
United StatesUS 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.
United StatesAustralia (AICIS) Finalises Changes To Industrial Chemicals Categorisation Guidelines, Effective September 2026
Australia has finalized major updates to its Industrial Chemicals Categorisation Guidelines, adding nearly 300 substances to the high-hazard list effective September 2026. Introducers must re-evaluate categorization workflows and data requirements for new substances to mitigate the risk of mandatory pre-market assessments and potential delays.
AustraliaJapan METI Consults on Amendments to Export Controls for Certain Chemical Substances
Japan is consulting on draft amendments to export control regulations for UV-328 and PFHxS with comments due by March 31, 2026. Exporters must prepare for more rigorous approval processes as Japan synchronizes its trade restrictions with international persistent organic pollutant conventions.
JapanECHA CLH Public Consultations: 1H‑Benzotriazole, Methyl‑1H‑Benzotriazole And Tebufenpyrad (Deadline 4 May 2026)
ECHA has initiated public consultations on proposed harmonised classifications for benzotriazoles and tebufenpyrad, closing in May 2026. Potential CMR and toxicity classifications will necessitate mandatory labelling updates and likely trigger downstream restrictions for industrial and consumer applications.
European UnionECHA Opens Consultation on Draft REACH Authorisation List Recommendation for Four Substances
ECHA has proposed adding four substances, including UV stabilisers and a flame retardant, to the REACH Authorisation List for mandatory EU-wide usage approval. Impacted businesses must urgently assess substitution feasibility or prepare for resource-intensive authorisation applications to maintain market access for affected products and materials.
European UnionUS 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 from China. Companies importing or producing these substances must participate in the review process by March 2026 to influence the continuation or removal of significant trade barriers.
United StatesUSITC Institutes Five-Year Reviews of Corrosion Inhibitors From China
The US International Trade Commission has initiated sunset reviews of antidumping and countervailing duty orders on corrosion inhibitors from China, with responses due by March 2026. Companies should evaluate their supply chains and participate in the review process to mitigate risks associated with potential long-term duty extensions and shifting procurement costs.
United StatesCalifornia DTSC Issues Emergency Hazardous-Waste Permit for 1-Hydroxy-7-Azabenzotriazole at Genentech Facility
California regulators have issued an emergency hazardous waste permit for the stabilization of shock-sensitive reactive chemicals at a Genentech facility through March 2026. This action highlights the rigorous oversight of reactive substance storage and the critical need for specialized emergency protocols to manage high-risk laboratory and manufacturing waste.
United StatesShandong Province Adds Chlorpyrifos, MCCPs and UV-328 to Key Controlled New Pollutants List
Shandong Province is proposing to expand its 2025 Key Controlled New Pollutants List to include Chlorpyrifos, MCCPs, and UV-328, exceeding national-level restrictions. This regional divergence signals a shift toward stricter local enforcement and potential market access restrictions for products containing these substances.
ChinaAustralia (AICIS) Consults On 2026 Industrial Chemicals Categorisation Guidelines (Closes 28 January 2026)
Australia is consulting on significant updates to its industrial chemical categorisation guidelines and high-hazard list for implementation in September 2026. The inclusion of nearly 300 new substances on the high-hazard list will restrict access to simplified reporting pathways, necessitating a shift toward more resource-intensive assessment and data verification.
AustraliaImplementation of UWWTD Quaternary Treatment and Dutch Risk Area Mapping
The recast Urban Waste Water Treatment Directive is now in force, introducing mandatory quaternary treatment and a new Extended Producer Responsibility scheme for pharmaceutical and cosmetic producers. Impacted businesses must prepare for substantial financial obligations and monitor compliance against specific indicator substances as Member States begin designating high-risk implementation areas.
European Union
NetherlandsEU 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 with final adoption expected in March 2026. Impacted companies should prepare for mandatory data requests and potential future regulatory restrictions or harmonized classification changes for listed substances.
European UnionJapan 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, prohibiting their manufacture and import from February 2025. Supply chain audits for these substances in articles like electronics and coatings are essential to avoid market access disruptions when product import bans take effect in June 2025.
JapanThese are just a few of the most recent Benzotriazoles alerts. Foresight tracks every jurisdiction, every day — and surfaces only what affects your portfolio, with full citations and evidence.
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Definition
A group of chemical compounds used as corrosion inhibitors, UV stabilizers, and industrial intermediates, subject to increasing environmental scrutiny and water quality standards due to their persistence and potential for aquatic toxicity.
Industry relevance
Benzotriazoles developments can change product scope, supplier expectations, market access, reporting duties, and risk ownership. Foresight tracks the signals early so teams can respond before obligations become urgent.
Foresight tracking
Foresight monitors official sources, extracts structured regulatory intelligence, and maps alerts to a customer's products, substances, markets, and priorities so teams see the relevant signal with source evidence for review.
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