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# Chemicals Ordinance (ChemO)

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- Created on Aug 13, 2026

## Chemicals Ordinance (ChemO)

SR 813.11 — Ordinance of 5 June 2015 on Protection against Dangerous Substances and Preparations (Chemicals Ordinance, ChemO).

[fedlex.data.admin.ch](https://fedlex.data.admin.ch/eli/cc/2015/366?utm_source=slatesource)

English is not an official language of the Swiss Confederation. This translation is provided for information purposes only and has no legal force. This English text is the consolidation of 1 December 2025. The binding German, French and Italian texts have since been consolidated to 24 April 2026, so this translation is behind current law.

[fedlex.data.admin.ch](https://fedlex.data.admin.ch/eli/cc/2015/366?utm_source=slatesource)

## Preamble

The Swiss Federal Council, based on Article 19 paragraphs 2 and 3 of the Animal Welfare Act of 16 December 2005,on the Chemicals Act of 15 December 2000 (ChemA), on Article 26 paragraph 3, 29, 30a–30d, 38 paragraph 3, 39 paragraph 1, 41 paragraph 3, 44 paragraphs 2 and 3, 46 paragraphs 2 and 3 and 48 paragraph 2 of the Federal Act of 7 October 1983 on the Protection of the Environment (EPA), and on Article 9 paragraph 2 letter c, 27 paragraph 2 and 48 paragraph 2 of the Waters Protection Act of 24 January 1991, and in implementation of the Federal Act of 6 October 1995 on Technical Barriers to Trade, ordains:

SR 455 SR 813.1 SR 814.01 SR 814.20 SR 946.51 Amended by No I of the O of 31 Jan. 2018, in force since 1 March 2018 (AS 2018 801).

## Contents

1\. General Provisions — 4 articles 2. Marketing Requirements — 41 articles 3. Obligations of the Manufacturer after Placing on the Market — 11 articles 4. Rules for Handling of Substances, Preparations and Objects — 17 articles 5. Data Processing — 5 articles 6. Enforcement — 15 articles 7. Final Provisions — 7 articles

[Official text on Fedlex — consolidation of 1 December 2025](https://fedlex.data.admin.ch/filestore/fedlex.data.admin.ch/eli/cc/2015/366/20251201/en/html/fedlex-data-admin-ch-eli-cc-2015-366-20251201-en-html-1.html?utm_source=slatesource)