Submitting chemicals information to the National Poisons Information Service

Information companies placing hazardous mixtures on the UK market (such as manufacturers, importers, downstream users and distributors) should submit to the National Poisons Information Service.

Classifying, labelling and packaging substances and mixtures

On 1 January 2021, the European Union (EU) Classification, Labelling and Packaging of Chemical Substances and Mixtures (CLP) Regulation was replaced in Great Britain (GB) by the GB CLP Regulation.

In Northern Ireland (NI), chemicals (substances or mixtures) placed on the market must comply with the EU CLP Regulation.

The Birmingham Unit of the National Poisons Information Service (NPIS) acts as the appointed body responsible for accepting information submitted by importers and downstream users of hazardous mixtures placed on either the GB or NI markets.

This guidance relates to the submission of information relating to emergency health response and preventative measures to the NPIS by businesses wishing to place their products on the GB or NI markets.

For guidance on other aspects of the EU CLP Regulation or the GB CLP Regulation please visit the Health and Safety Executive’s (HSE) website.

Submitting information relating to emergency health response and preventative measures to the appointed body

Placing products on the Great Britain (GB) market

GB-based importers and downstream users, and NI-based downstream users directly supplying the GB market with qualifying Northern Ireland goods (QNIGs), are encouraged to voluntarily submit information relating to emergency health response, and preventative measures on hazardous mixtures placed on the GB market, to NPIS using a safety data sheet (SDS).

You should send this information by email to The submission of a SDS to the NPIS does not in itself mean that a given product is approved for sale.

There is no obligation to generate or submit a unique formula identifier (UFI) code in Great Britain but the NPIS will register your product with its associated UFI if one has already been generated. To support the NPIS, please ensure the UFI is clearly identifiable on the front page of the SDS.

If, before 31 December 2020, you were a downstream user or distributor placing mixtures on the GB market and supplied by EU or EEA-based businesses, and those supply arrangements have continued, you are now an importer, as defined under the GB CLP Regulation.

In addition, you may complete the voluntary submission of SDS to NPIS, as stated above.

For further guidance on the duties and obligations on GB-based businesses under the GB CLP Regulation that are not related to the submission of information to the NPIS, visit HSE or email

Placing products on the Northern Ireland (NI) market

The EU CLP Regulation, including Annex VIII, applies in EU member states and in NI. Therefore, importers and downstream users placing hazardous mixtures on the NI market are required to provide specific information on their products to the NPIS in accordance with Annex VIII.

NI-based downstream users and distributors that are supplied with mixtures from GB-based businesses are importers, as defined under the EU CLP Regulation, and must comply with the duties of an importer, including providing specific information on their products to the NPIS in accordance with Annex VIII.

NPIS does not have access to the European Chemicals Agency (ECHApoison centre notification (PCN).

Therefore, submissions for NI must be provided in the form of a PCN and sent directly to NPIS Birmingham as the appointed body.

In order for submissions to be valid, they must be either:

  • produced directly in the ECHA-approved IUCLID desktop/cloud platform and exported as an .i6z dossier
  • if produced using a third-party tool, the submission must then be imported into the ECHA PCN, and exported as an .i6z dossier. This exported dossier will be accepted by NPIS as a submission

These submissions should be made via email to

The submission of a PCN to the NPIS does not in itself mean that a given product is approved for sale.

You must also include a UFI in the submission of information and on the label or, in some cases, the packaging of the products that contain a hazardous mixture.

ECHA have produced further guidance on preparing PCNs and the impact of the Ireland/Northern Ireland Protocol on the EU CLP Regulation.

If you’re a manufacturer of hazardous mixtures based in Great Britain (GB) or Northern Ireland (NI)

Manufacturers may also voluntarily submit information to the NPIS in the form of a SDS by email to

If you’re a distributor based in Great Britain (GB) or Northern Ireland (NI)

There is no obligation under the GB CLP Regulation or the EU CLP Regulation for distributors (who only store and place substances on the market) to provide PCNs to NPIS. However, NPIS will still accept PCNs they submit.

How to generate a UFI if you are a company based outside the EU or if you do not have a VAT number

The UFI generator on the ECHA website can be used by anyone who needs it.

If a company using the generator does not have an EU VAT number, they can select the box which states: ‘By ticking this box, I declare that the company does not have a VAT number or chose not to use it to generate a UFI.

The use of the VAT number is a means to ensure that 2 different companies using the same formulation number will not produce the same UFI.

There are replies to a number of frequently asked questions about UFIs in the ECHA question and answer section.

There are also explanations of the UFI, including how to generate and use it, in the dedicated page on ECHA’s website.

For further clarification email the ECHA using the contact form.

Further information

If you have any further queries, please contact

Published 6 January 2021
Last updated 24 May 2021 
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