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Poison Centre Notification and Unique Formula Identifier support

PCN / UFI support

– for hazardous mixtures placed on the EU market.

We help companies understand and prepare for Poison Centre Notification obligations, UFI generation and practical dossier preparation for hazardous mixtures placed on the EU market.

Core support

Main PCN / UFI support areas

This page keeps PCN and UFI obligations practical and easy to follow, while linking to the more detailed topic pages for users who need deeper explanations.

01

Scope and deadlines

Support with understanding whether your mixtures fall under PCN obligations, which use types matter, and how the key implementation deadlines affect your products.

02

Dossier preparation

Guidance on the practical information needed for submission, including product identifiers, composition details, EuPCS, hazard and toxicological information, packaging data and UFI.

03

UFI assignment

Support with UFI logic and assignment choices, including whether one UFI should be linked by mixture, by product, by market or by language.

04

Updates and maintenance

Help with understanding when a submission or UFI needs updating, especially after changes in composition, classification, toxicological data or formulation ranges.

Why this matters

PCN and UFI are closely linked

Under the harmonised EU system, hazardous mixtures classified for human health and/or physical hazards generally need both a valid poison-centre submission and a UFI connected to the notified formula. Consumer and professional use mixtures have been subject to the harmonised system since January 2021, while industrial-use mixtures became subject to mandatory notification from January 2024.

The practical challenge for many companies is not only the initial notification, but also keeping dossiers and UFI-linked information updated when the composition, hazard classification, toxicological data or other relevant details change.

Call to action

Need support with PCN submission or UFI management?

Contact our team to discuss your hazardous mixtures, submission duties, UFI strategy and the practical steps needed for compliant placement on the EU market.

Commonly required together

Other services you may need

Poison Centre Notifications depend on accurate CLP classification,
mixture information and supporting chemical documentation.

01

CLP compliance support

Classification, labelling and packaging assessment for hazardous
mixtures that may fall within PCN and UFI requirements.


Explore CLP support →

02

Safety Data Sheet support

Preparation and review of Safety Data Sheets containing the product,
composition, hazard and safe-use information needed for compliance.


Explore SDS support →

03

Detergents and surfactants

Support for detergent formulations that may require classification,
Safety Data Sheets, UFI assignment and Poison Centre Notification.


Explore detergents support →