SG 129/25
Switzerland has further aligned the country’s Chemicals Ordinance (ChemO) with European Union (EU) requirements.
On August 14, 2025, Switzerland issued Official Collection 2025 506 (RO 2025 506, available in French, German, and Italian) to amend two Annexes under the nation’s Ordinance on Protection against dangerous substances and preparations (Chemicals Ordinance, ChemO, RS/SR 813.11, versions in French, German and Italian):
Highlights of the seven SVHCs added to Annex 3 of ChemO in the amendment are summarized in table 1.
| Entry | Substance (EC/CAS) | Examples of application |
|---|---|---|
| 1 | Bis(α,α-dimethylbenzyl) peroxide (201-279-3/80-43-3)¹ |
|
| 2 | Triphenyl phosphate (204-112-2/115-86-6)² |
|
| 3 | 6-[(C10-C13)-alkyl-(branched, unsaturated)-2,5-dioxopyrrolidin-1-yl]hexanoic acid (701-118-1/2156592-54-8)¹ |
|
| 4 | O,O,O-triphenyl phosphorothioate (209-909-9/597-82-0)³ |
|
| 5 | Octamethyltrisiloxane (203-497-4/107-51-7)⁴ |
|
| 6 | Perfluamine (206-420-2/338-83-0)⁴ |
|
| 7 | Reaction mass of: triphenylthiophosphate and tertiary butylated phenyl derivatives (421-820-9/192268-65-8)³ |
|
| ¹Toxic for reproduction ²Endocrine disrupting properties – environment ³Persistent, bio-accumulative and toxic (PBT) ⁴Very persistent and very bio-accumulative (vPvB) | ||
Table 1
It is important to note that Article 71 to ChemO, ‘Articles Containing SVHC’, requires suppliers of articles containing an SVHC on the Candidate List in a concentration greater than 0.1% to provide professional users or traders of the article with sufficient information, available to the supplier, to allow the safe use of the article. At minimum, this should include the name of the substance. Equivalent information must be provided to consumers (general public) free of charge within 45 days of a request.
Additionally, ChemO outlines a manufacturer’s obligation to establish and provide a safety data sheet (SDS) for substances and mixtures.
RO 2025 506 will enter into force on September 1, 2025.
The amendment provides transitional provisions for the CLP of substances and mixtures:
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