Chemical (CLP) Compliance

Importing Chemicals Into the EU: SDS, PCN and UFI Requirements

When you import chemicals into the EU, REACH, CLP, SDS and PCN duties transfer to you. A practical guide to the importer's obligation stack, from registration to UFI labels.

Stacked shipping containers at a European cargo port, illustrating chemical imports into the EU

When a consignment of detergent concentrate, adhesive, coating or fragrance oil clears EU customs, legal responsibility clears customs with it — and lands on you, not on the factory that made it. If you are importing chemicals into the EU, European law treats you as the duty-holder: the party who must ensure the product is registered where required, correctly classified and labelled, covered by a compliant safety data sheet, and notified to poison centres before the first unit is sold.

That catches out many importers: a good supplier’s paperwork — a 16-section SDS, a GHS-style label — looks reassuringly complete, yet documents prepared for another market almost never satisfy EU requirements as supplied. This article walks through the four obligations in the chemical import stack — REACH, CLP, the safety data sheet and poison centre notification — who owes each one, and where shipments go wrong.

Key takeaways

  • An EU importer takes on a manufacturer’s compliance duties — nothing stays with the non-EU supplier.
  • Under REACH, importing a substance at one tonne or more per year triggers registration — substances inside mixtures count individually.
  • An Only Representative appointed by the non-EU manufacturer can carry registration, letting EU customers import registration-free.
  • Under CLP, the importer must classify, label and package before placing on the market, in the language(s) of each Member State of sale.
  • Hazardous products need an Annex II safety data sheet in the local official language — a US-format SDS is not a substitute.
  • Mixtures with health or physical hazards need a poison centre notification (PCN) and a UFI code on the label before they go on sale.

Importer or distributor? The distinction that decides everything

First, settle whether you are an importer in the legal sense. You are an importer when your company physically brings a substance or mixture into the EU customs territory from outside it — from the US, China, Türkiye or, since Brexit, Great Britain. You are a distributor when you buy from a supplier already established in the EU and simply store and resell; distributor duties are light — pass on the safety data sheet, check the label suits the market of sale, keep the packaging intact.

The moment goods cross the customs border under your name, the full stack applies. It makes no difference that the manufacturer “already has all the documents” — EU authorities address inspections and penalties to the EU entity that placed the product on the market.

Note: REACH and CLP apply across the whole European Economic Area, so buying from a Norwegian or Icelandic supplier is not an import. Conversely, a distributor who rebrands or relabels a product takes on duties well beyond distribution.

REACH: the manufacturer’s duties become yours

REACH — Regulation (EC) No 1907/2006 — is built on “no data, no market”. Because a non-EU manufacturer cannot hold EU obligations, REACH transfers them to the importer. If you import a substance at one tonne or more per year, you must register it with ECHA. Crucially, this covers substances in mixtures: a blended concentrate is not registered as a product — each substance in it counts separately towards your one-tonne threshold. Registration is also per legal entity: a supplier’s assurance that a substance “is REACH registered” means nothing unless the chain covers your imports.

The Only Representative route

There is one clean way to keep registration off your desk. A non-EU manufacturer may appoint an Only Representative (OR) — an EU-established company that takes over its registration obligations. Where an OR registration covers your volumes, you are treated as a downstream user and import registration-free. If your supplier claims OR coverage, verify it: get written confirmation naming the OR, the substances covered and that your tonnage is included.

Candidate-list substances

Importers also inherit communication duties. If a product contains a substance of very high concern (SVHC) on the candidate list above the relevant concentration threshold, you must pass safe-use information to your customers. The list grows regularly — typically twice a year — so supplier declarations need rechecking against the current version.

CLP: classify, label and package before placing on the market

The CLP Regulation — Regulation (EC) No 1272/2008 — makes the importer responsible for classification, labelling and packaging before a product is placed on the EU market. That means classifying under CLP criteria (not US HazCom or any other national system) and producing a label with the required elements: hazard pictograms, signal word, hazard (H) and precautionary (P) statements, and supplier identity.

Language is where imports fail most visibly. The label must be in the official language(s) of each Member State where the product is sold, unless that Member State provides otherwise. An English-only drum label is fine for Ireland; it is non-compliant in Germany, France or the Netherlands. Selling into several countries means multilingual or country-specific labels — a space problem best solved before artwork is printed.

The obligation stack at a glance

The four obligations have different triggers and timing; here is who owes what when a product arrives from outside the EU.

Obligation Who owes it When it applies
REACH registration EU importer — unless an Only Representative’s registration covers the volumes Each substance at ≥1 tonne/year, including substances in mixtures, counted per substance
CLP classification, labelling, packaging EU importer Before placing on the market; label in the language(s) of each Member State of sale
Safety data sheet (REACH Annex II) EU importer, as supplier to professional users Hazardous substances and mixtures; local official language
PCN + UFI (CLP Annex VIII) EU importer placing the mixture on the market Mixtures with health or physical hazards — via the ECHA portal before sale; UFI on the label

SDS, PCN and UFI: paperwork that must exist before the first sale

The safety data sheet is yours to get right

For hazardous products supplied to professional users, the importer must provide a safety data sheet compiled to REACH Annex II — the EU-specific 16-section format — in the official language of the Member State where the product is placed. Your overseas supplier’s document is a starting point at best: a US SDS reflects different classification outcomes and lacks EU-specific content, so treat it as raw data to be re-authored, not translated. See our explainer on what a safety data sheet must contain, or have compliant country versions produced through our SDS preparation service.

Poison centre notification and the UFI

Under Annex VIII to CLP, a mixture classified for health or physical hazards must be notified to poison centres before it is placed on the market — environmental-only classifications are out of scope. The notification goes through the ECHA PCN portal with full composition and classification data; its visible counterpart is the UFI, the unique formula identifier printed on the label so an emergency call can be matched to the exact formulation. The duty now covers consumer, professional and industrial mixtures alike. Our guides to poison centre notification and the UFI code explain the mechanics; our PCN service handles the submission end to end.

Warning: PCN is a pre-market obligation. A hazardous mixture sold without a notification and a UFI is non-compliant from the first sale — and easy for authorities to check, because the UFI is either on the label or it is not.

Where chemical imports go wrong

The failure modes are remarkably consistent. First, relying on the supplier’s SDS as supplied — usually a US-format document with classifications that do not match CLP. Second, English-only labels shipped into multilingual markets, discovered when a distributor or inspector rejects the goods. Third, no PCN and no UFI, because nobody realised the duty existed or assumed the manufacturer had handled it — which it legally cannot, since the notifier must be an EU entity. Fourth, unverified REACH assumptions: tonnages that creep over the threshold, or OR coverage that names a different importer.

Customs adds pressure of its own: authorities increasingly check labelling and documentation at the point of entry, and a consignment held while labels are reprinted costs far more than doing the work up front. The practical sequence: confirm your role, check REACH status per substance, classify under CLP, author the SDS and label, file the PCN, then ship.

Bringing it all together

Importing a substance or mixture into the EU makes your company the duty-holder for the whole stack: REACH registration (or verified Only Representative coverage) per substance, CLP classification and labelling in the languages of every market you sell into, an Annex II safety data sheet, and a poison centre notification with a UFI on the label before the first sale. Each obligation has its own trigger, but all draw on the same composition and classification data — which is why handling them together beats fixing them one enforcement letter at a time.

That is what the CLP Compliance Suite is built for: one engagement covering classification, labelling, SDS authoring and PCN/UFI submission for a product entering the EU market. To ground the individual pieces first, see our CLP Regulation explainer — and if your range also includes cosmetics, those follow a different notification route, explained in our comparison of PCN versus CPNP.

Frequently asked questions

Do I need a REACH registration if I import less than one tonne per year?

No — registration applies from one tonne per substance per year per importer. CLP labelling, the safety data sheet and poison centre notification still apply in full, so track tonnage per substance as volumes grow.

Can I use the safety data sheet my non-EU supplier provides?

Almost never as supplied. An EU safety data sheet must follow the REACH Annex II format, reflect CLP classifications, name you as the EU supplier, and be in the official language of each Member State of sale.

What is an Only Representative and do I need to appoint one?

An Only Representative is an EU-based company appointed by the non-EU manufacturer — not by you — to carry its REACH registration obligations. If a valid OR registration covers the substances and volumes you buy, you import as a downstream user without registering yourself.

Am I an importer if I buy chemicals from a supplier in another EU country?

No — buying from a supplier established in the EU or wider EEA makes you a distributor. You become the importer, with full REACH and CLP duties, only when your company brings goods into the EU customs territory from outside.

Which products need a poison centre notification and a UFI?

Mixtures classified as hazardous for health or physical effects under CLP need a PCN and a UFI on the label; mixtures classified only for environmental hazards do not. The notification goes through the ECHA portal before the first sale.

What happens if I place a chemical product on the EU market without complying?

Enforcement is national: consequences range from withdrawal or recall orders to fines under each Member State’s penalty rules, and consignments can be blocked at customs. The commercial cost often arrives first — distributors routinely refuse non-compliant stock.