REACH-compliant surfactants: what buyers need to check

REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) is EU Regulation 1907/2006. It places four separate duties on different actors: registration of a substance with ECHA above one tonne per year, evaluation of selected dossiers and substances by ECHA and member states, authorisation for substances of very high concern placed on Annex XIV, and restriction of specific uses under Annex XVII regardless of tonnage. A surfactant can be subject to any combination of these depending on its hazard profile and volume.

The data package required at registration scales with tonnage band: Annex VII for 1 to 10 t/y, Annex VIII for 10 to 100 t/y, Annex IX for 100 to 1,000 t/y, and Annex X above 1,000 t/y. Each band adds studies, so a substance registered at a low tonnage carries a thinner evidence base than the same substance registered at high tonnage, and a supplier moving up a band has to file an update.

Who carries the registration duty depends on role: the EU manufacturer or importer registers directly, a downstream user relies on a supplier’s registration and safety data sheet, and a non-EU manufacturer needs an EU-based only representative to register on its behalf. A buyer checking compliance has to know which of these applies to the specific supplier in front of them.

Many commercial surfactants are not single, well-defined molecules. Fatty alcohol ethoxylates, amine oxides derived from natural fatty acid mixtures and similar products are frequently registered as UVCB substances (substances of Unknown or Variable composition, Complex reaction products or Biological materials) or as multi-constituent substances, because the manufacturing process yields a distribution of chain lengths rather than one pure compound.

This matters for buyers because "sameness" assessments determine whether two suppliers’ materials can rely on the same registration dossier. A change in feedstock, chain-length distribution or process route can make a surfactant a different substance for REACH purposes even if it performs identically in a formulation, so a registration number attached to one grade does not automatically cover a related grade from the same or a different supplier.

A surfactant with a valid REACH registration is not automatically a compliant ingredient for a finished detergent. The EU Detergents Regulation (EC) 648/2004 sets separate rules on biodegradability of surfactants, labelling of ingredients and fragrance allergens, and it applies at the finished-product level, not the raw-material level. CLP (Regulation 1272/2008) governs classification and labelling for hazard communication and is triggered by the substance’s own hazard data, independent of tonnage.

A purchaser assembling a compliance file for a finished product therefore needs three separate pieces of evidence from a surfactant supplier: the REACH registration status of the substance, its CLP classification as stated on the safety data sheet, and biodegradability data suitable for the Detergents Regulation surfactant biodegradability requirement. None of the three substitutes for another.

The SVHC (Substances of Very High Concern) candidate list is updated roughly twice a year and can add a substance already present in a formulation with no advance warning to the buyer. Once a substance is on the candidate list above 0.1 % w/w in an article, a supplier notification duty and a consumer information duty are triggered even before authorisation is required.

Annex XVII lists restrictions on specific uses, concentrations or product categories that apply regardless of tonnage or registration status, so a fully registered substance can still be restricted for a particular application. Procurement teams that only check "is it registered" without also screening against the current SVHC list and Annex XVII miss a real and moving source of risk.

A safety data sheet compliant with REACH Annex II is the primary document a downstream user relies on, and it must be supplied in the language of the member state where the substance is placed on the market. The revision number and date matter: an SDS issued before a registration was finalised, or before a classification changed, may not reflect current status.

For substances registered above 10 t/y with a hazardous classification, the SDS may need to be extended with exposure scenarios describing the conditions under which the substance can be used safely, covering identified uses, operational conditions and risk management measures. A buyer using the substance outside the scenarios listed should tell the supplier so the use can be added or confirmed as covered.

PureSurf states its REACH position plainly rather than implying a completed registration. Current commercial and pilot volumes sit below 1 t/y, where no registration is required, and the company is preparing registration for the 1 to 10 t/y band ahead of anticipated volume growth. That registration is not yet submitted.

The table below lists the tonnage bands relevant to PureSurf’s current and planned volumes, together with the corresponding data package and status. This is a status disclosure, not a claim of current registration.

A registration claim is only as useful as the documentation behind it. The questions below are the ones a procurement or regulatory affairs contact should be able to answer without delay, and a supplier who cannot produce them for a specific grade has not demonstrated compliance for that grade.

This page summarises how REACH, the EU Detergents Regulation and CLP generally apply to surfactants, and it states PureSurf’s own registration status as of the review date below. It is general technical information for procurement and formulation teams, not legal advice, and it does not cover every exemption, transitional arrangement or member-state implementation detail.

Compliance obligations depend on the specific substance, tonnage, use and role of each party in the supply chain. Buyers should confirm current registration status, classification and applicable restrictions directly with ECHA’s public databases and with qualified regulatory counsel before relying on any statement on this page for a compliance file.