Information & Tips

UFI number: What the code on the label means

Reviewed by Eco-Nova GmbH · Last updated 5 October 2026 · 2 mins’ read

Dyeclean 200 canister with explanation: UFI = Unique Formula Identifier

Key points at a glance

The UFI (Unique Formula Identifier) is a 16-digit code found on the label of hazardous mixtures. It enables poison control centres to identify the exact composition of a product in an emergency. Since 1 January 2025, it has been mandatory for all mixtures presenting health or physical hazards that are placed on the market in the EU.

Key messages

  • The UFI is stated on the label and in the safety data sheet.
  • The legal basis is Article 45 and Annex VIII of the CLP Regulation.
  • For non-classified products, the UFI is voluntary – a UFI does not automatically mean that a product is hazardous.
  • In an emergency, have the product name, manufacturer and UFI to hand, or take a photo of the label.

Contents

The labels on many cleaning products and chemicals feature a code beginning with „UFI:“. In this article, our dangerous goods officer, Mark Brumme, explains what the code means, for which products it is mandatory, and what you should do in an emergency.

UFI: P4TM-JOY2-700M-FSVS

What is a UFI number?

UFI stands for „Unique Formula Identifier“. The code consists of 16 characters divided into four blocks. It links a product to the details of its composition that the manufacturer has reported to the poison control centres. In an emergency, this enables poison control centres to quickly and reliably identify which substances are present and recommend the appropriate course of action.

For which products is UFI mandatory?

The UFI must appear on all mixtures that are classified as hazardous due to their health or physical hazards and are placed on the market in the EU. It is not required for mixtures that are classified solely on the basis of environmental hazards. The UFI may also be included on a voluntary basis on non-classified products. A UFI on the label does not therefore automatically mean that a product is hazardous.

The legal basis is Article 45 and Annex VIII of the CLP Regulation (EC) No 1272/2008. The UFI therefore applies throughout the EU.

Since when has this requirement been in force?

The requirement was introduced gradually, depending on who the product is sold to:

Products for UFI mandatory since
Consumers 1 January 2021
business users 1 January 2021
for industrial use only 1 January 2024
products that have already been notified under national law Transition period until 1 January 2025

Since 1 January 2025, this requirement has therefore applied to all classified mixtures. If the composition changes beyond the permitted variations, the product requires a new UFI.

UFI at Eco-Nova

We state the UFI on our labels, even for products that are not classified as hazardous. It is also included in the safety data sheet.

What should you do in the event of an accident?

  1. Dial the emergency number or call a poison information centre.
  2. Have the product name, manufacturer and UFI to hand. The easiest way is to take a photo of the label with your mobile phone.
  3. Take the photo or the safety data sheet with you when you visit the doctor or go to A&E. The doctor can obtain the necessary information from the Poisons Information Centre using the UFI.

Do you have any questions about UFI or our safety data sheets? Please get in touch.

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FAQ

Frequently Asked Questions

Where can I find the UFI?
On the label with the prefix „UFI:“ and in the safety data sheet.
Since when has the UFI been compulsory?
For products intended for consumers and professional users, this has applied since 1 January 2021; for mixtures intended solely for industrial use, since 1 January 2024. For products that had previously been notified under national law, the transitional period ended on 1 January 2025.
Does the UFI change when a new formulation is introduced?
Yes. If the composition changes beyond the permitted limits, a new UFI is required.
What should I do if I’m involved in an accident?
Call the emergency services or a poison information centre and have the product name, manufacturer and UFI to hand. The safety data sheet will assist the treating doctor.

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