Silanes

EU Draft Implementing Decision Not to Approve poly(dimethyloctadecyl[3-(trihydroxysilyl)propyl]ammonium Chloride) for Biocidal Product-Types 2, 7 and 9

The EU has proposed the non-approval of poly(dimethyloctadecyl[3-(trihydroxysilyl)propyl]ammonium chloride) for use in disinfectants and material preservatives (PT 2, 7, and 9). Impacted businesses must initiate substitution strategies and phase-out plans for affected biocidal products and treated articles following the substance's failure to meet safety and efficacy standards.

27 Mar 2026, 07:50members.wto.orgEuropean UnionEuropean Economic Area

EU ECHA RAC Publishes Provisional Agenda For 76th Meeting On OELs, CLH And PFAS Restriction Proposal

ECHA’s Risk Assessment Committee (RAC) will meet in March 2026 to advance opinions on harmonized classification for several substances and the universal PFAS restriction proposal. These outcomes will trigger future EU-wide regulatory shifts, including new occupational exposure limits for oximes and critical market access constraints for PFAS-reliant supply chains.

21 Jan 2026, 16:26echa.europa.euEuropean Union

Sweden Submits CLH Proposal For Dichloro(dimethyl)silane Under CLP Regulation

Sweden has formally submitted a proposal to ECHA for the harmonised classification and labelling of dichloro(dimethyl)silane. Adoption would mandate EU-wide updates to hazard communication and could trigger stricter downstream risk management requirements for silane-based applications.

15 Jan 2026, 12:25echa.europa.euEuropean UnionSweden

ECHA RAC CLH Working Group Publishes Draft Agenda for January 2026 Meeting on 12 Substances

ECHA’s Risk Assessment Committee will evaluate harmonised classification proposals for 12 substances, including silanes and cinnamaldehyde, in January 2026. Potential updates to these classifications may necessitate revised labelling, packaging, and downstream compliance strategies for manufacturers and suppliers.

22 Dec 2025, 16:11echa.europa.euEuropean Union

New CLH Intention for Acrylic Acid and Proposals for Cobalt Compounds and Other Substances

ECHA has initiated harmonised classification and labelling (CLH) processes for acrylic acid, hydrogen chloride, and a group of cobalt compounds. Manufacturers should prepare for potential reclassifications that may necessitate updated safety data sheets, stricter packaging requirements, and downstream restrictions under REACH.

18 Dec 2025, 07:25echa.europa.euEuropean Union

New TRGS 610 Issued on Substitution of Hazardous Adhesives and Primers in Flooring

Germany has updated Technical Rule TRGS 610, mandating the substitution of high-solvent adhesives and primers in flooring with safer, solvent-free alternatives. Companies must phase out restricted solvent-based products and ensure strict compliance with REACH training and concentration limits for diisocyanates and toluene.

20 Oct 2025, 13:38baua.deGermany

ECHA Biocidal Products Committee Recommends Non-approval of Poly(dimethyloctadecyl[3-(trihydroxysilyl)propyl]ammonium Chloride) for Product Type 9

ECHA's Biocidal Products Committee has recommended the non-approval of a key quaternary ammonium polymer for use in treated textiles, leather, and polymers (PT9). Downstream users must prepare for a market phase-out and transition to approved alternatives as this recommendation typically leads to a formal EU-wide ban for this application.

20 Oct 2025, 12:58echa.europa.euEuropean Union

ECHA Biocidal Products Committee Recommends Non-approval of Poly(dimethyloctadecyl[3-(trihydroxysilyl)propyl]ammonium Chloride) for Product Type 2

ECHA’s Biocidal Products Committee recommended the non-approval of a quaternary ammonium-based active substance for disinfectant use (PT2) in September 2025. Companies should initiate phase-out plans for affected disinfectant products and identify alternative active substances to mitigate compliance and market access risks.

20 Oct 2025, 12:57echa.europa.euEuropean Union

ECHA Biocidal Products Committee Recommends Non-approval of Active Substance Poly(dimethyloctadecyl[3-(trihydroxysilyl)propyl]ammonium Chloride) for Product Type 7

ECHA's Biocidal Products Committee has recommended the non-approval of a key polymer active substance for use in film preservatives (PT 7) due to critical data gaps and unproven efficacy. Manufacturers using this substance in coatings or construction materials must prepare for a market exit and transition to approved alternatives as regulatory non-approval becomes finalized.

20 Oct 2025, 12:53echa.europa.euEuropean Union

ECHA BPC Adopts Opinions on Active Substances and Union Authorisations

ECHA’s Biocidal Products Committee has advanced several Union authorisations while rejecting the approval of DMOAP for multiple product types due to safety and data gaps. Impacted firms must secure market access for supported substances and anticipate new restrictions on carbon dioxide and the phase-out of non-approved applications.

17 Sept 2025, 14:55echa.europa.euEuropean Union

ECHA Adds Dichloro(dimethyl)silane to PBT Assessment List

ECHA has initiated a formal assessment of dichloro(dimethyl)silane to evaluate potential persistent, mobile, and toxic (PMT/vPvM) hazards. Businesses should monitor this assessment as it may lead to SVHC identification or REACH restrictions, impacting the long-term availability of silane-based chemical intermediates.

15 Sept 2025, 09:14echa.europa.euEuropean Union

ECHA Announces Draft Agenda for 56th BPC Meeting on Biocidal Product Approvals

ECHA’s Biocidal Products Committee will meet in September 2025 to finalize opinions on several active substance approvals and Union authorisations. Impacted companies should monitor these outcomes to anticipate changes in market access, formulation requirements, and mandatory risk mitigation measures.

22 Aug 2025, 07:57echa.europa.euEuropean Union

US EPA Issues Final Significant New Use Rules for Various Chemical Substances

The US EPA finalized Significant New Use Rules (SNURs) for 23 chemical substances, including graphene nanoplatelets and various polymers, effective September 29, 2025. Businesses must verify use cases against the new restrictions to avoid enforcement risks and ensure 90-day notifications are submitted prior to any new commercial activity.

12 Aug 2025, 20:24federalregister.govUnited States

AICIS Adds Four Industrial Chemicals to Inventory After Five Years

Australia has transitioned four industrial chemicals to the public Inventory, concluding their five-year post-assessment period. This move expands general market access for these substances while requiring introducers to monitor and report any deviations from original assessment parameters.

11 Aug 2025, 15:35industrialchemicals.gov.auAustralia

EPA Issues Final SNURs for 34 Chemical Substances under TSCA

The EPA has finalized Significant New Use Rules (SNURs) for 34 chemical substances, effective September 15, 2025. This mandates a 90-day notification period before any new manufacturing or processing, necessitating earlier compliance reviews for product development and sourcing.

24 Jul 2025, 09:34federalregister.govUnited States

Assessment and Proposed Restrictions on Alkoxy and Acetoxy Silane/Siloxane (Meth)acrylates

ECHA has completed a group assessment of 23 silane/siloxane (meth)acrylates, identifying significant reproductive and environmental risks that warrant harmonised classification and REACH restrictions. Companies in the construction, medical device, and consumer goods sectors must anticipate mandatory labeling changes and potential use bans as ECHA initiates formal regulatory controls.

3 Jul 2025, 07:01echa.europa.euEuropean Union

Proposed Restrictions and Classification Updates for Epoxy Alkoxysilanes and Siloxanes

ECHA has proposed harmonised classifications and REACH restrictions for a group of epoxy alkoxysilanes and siloxanes due to mutagenicity and skin sensitisation concerns. Manufacturers should prepare for potential Mutagenic Category 1B classifications and subsequent bans on consumer use in adhesives, coatings, and personal care products.

3 Jul 2025, 06:59echa.europa.euEuropean Union

Variation of Inventory Listings Due to Revoked CBI Approval under AICIS

Australia is transitioning two previously confidential industrial chemicals to public inventory listings following CBI revocation, effective June 2025. Companies must audit their supply chains against the newly transparent chemical names and adhere to strict 28-day reporting windows for any assessment deviations.

30 Jun 2025, 10:43industrialchemicals.gov.auAustralia

Completed Evaluations on 18 Industrial Chemicals by AICIS

AICIS has finalized risk evaluations for 18 industrial chemicals, including UV filters and silanes, triggering updates to inventory listings and introduction conditions. Impacted businesses should immediately verify compliance with revised safe-use requirements and ensure safety data sheets reflect the latest hazard assessments.

26 Jun 2025, 17:33industrialchemicals.gov.auAustralia

Proposed Risk Management for Alkoxy and Chlorinated Chloroalkyl Silanes

ECHA has identified 23 alkoxy and chlorinated chloroalkyl silanes for potential regulatory action, including harmonised classification and restrictions due to toxicity and environmental persistence concerns. Manufacturers and downstream users in the adhesives, coatings, and electronics sectors should prepare for increased data requirements and potential use-specific bans for professional and consumer applications.

26 Jun 2025, 09:49echa.europa.euEuropean Union