Submitting information on hazardous mixtures to poison centres

Importers and downstream users placing hazardous mixtures on the EU-market have a legal obligation to submit information about these mixtures to poison centres. The obligation applies to mixtures placed on the market that are classified as hazardous on the basis of their health and physical effects. The obligation is based on the European CLP Regulation (Regulation (EC) No 1272/2008). The poison centres of all the countries in which the mixture is to be placed on the market must be notified.

At the moment, companies can satisfy their notification obligation by submitting a Chemical Notification of any dangerous or hazardous chemicals that they manufacture or import to the relevant authority. In Finland the notification shall be made via the KemiDigi online portal pursuant to section 22 of the Finnish Chemicals Act. From 1 January 2021 onwards notifications will need to be made to the Finnish Poison Information Centre via the ECHA (European Chemicals Agency) Submission Portal.

The information to be included in notifications is listed in Annex VIII of the CLP Regulation. Submissions should be made in the harmonised format, according to the relevant date of applicability. The date of applicability depends on the use type of the mixture as follows:

  • mixtures for consumer use as of 1 January 2021,
  • mixtures for professional use as of 1 January 2021, and
  • mixtures for industrial use as of 1 January 2024.

Notifications must include the following information:

  • product identifier,
  • details of the downstream user or importer,
  • classification of the mixture for health and physical hazards,
  • information included in the label,
  • information about toxicity, and
  • information on mixture components and  generic product identifiers.

Each mixture will have a Unique Formula Identifier (UFI), which the downstream user or importer generate using an application on ECHA’s website before the notification.

There is no charge for registering UFIs. The UFI must be mentioned in the PCN and shown in the product label or in its immediate vicinity. Mixtures for industrial use and unpackaged mixtures are an exception: including the UFI in the chemical safety data sheet is enough.

A transitional period can be utilized for all products that are previously notified and which are already on the market. Such notifications will remain valid until 1 January 2025 or until changes are made to the product. A notification complying with Annex VIII of the CLP Regulation must be submitted via the ECHA Submission Portal if any changes are introduced to the mixture composition, product identifiers, toxicological properties or classification of an existing mixture.

PCN portal now open

The ECHA Submission Portal is now open, and some Member States already accept poison centres notifications via the ECHA Submission Portal. The ECHA keeps a list of individual Member States’ procedures.

For the latest information, instructions and tools/applications, visit the Poison Centres website.

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Questions and Answers


CLP Regulation (Regulation (EC) No 1272/2008  
ANNEX VIII: Harmonised information relating to emergency health response and preventative measures 


ECHA's Guidance on Annex VIII
The Guidance on harmonised information relating to health emergency response - Annex VIII to CLP – is available in 23 EU languages.