Biocides with sodium hypochlorite: what manufacturers and distributors must update in 2026

Key data

If your company manufactures, imports or distributes liquid disinfectants with sodium hypochlorite under European Union authorization, you have an active compliance obligation since the publication of the Implementing Regulation (EU) 2026/2026, on 11 September 2026. The regulation modifies Regulation (EU) 2025/524 and introduces administrative changes to the authorization of the biocidal product family called "Sodium hypochlorite Liquid disinfectant biocidal product family".

The key message for compliance and operations managers is clear: although the changes are formal, failing to act has real consequences on the validity of the authorization throughout the EU.

What does this regulation establish?

Regulation (EU) 2026/2026 modifies Regulation (EU) 2025/524, which was the regulation that established the Union authorization for the family of biocides with sodium hypochlorite in liquid disinfectant format. The changes introduced are of administrative nature, which in practice means they affect formal data of the authorization, not the technical conditions of the product.

According to the regulation, this type of administrative modification typically affects:

• Data of the authorization holder (name, company name, address)
• Information on legal representatives or authorized representatives
• Corporate data associated with the Union authorization

What does not change with this regulation:

• The chemical composition of the product
• The authorized conditions of use
• The efficacy criteria of the biocide

Economic and operational impact

The direct economic impact of this regulation does not come from new fees or changes in commercialization conditions, but from the cost of not acting. A Union authorization that does not reflect current administrative data can be questioned by the competent authorities of any Member State, which directly affects the ability to market the product throughout the EU.

The operational costs associated with compliance include:

• Review and update of product labeling marketed under this authorization
• Update of internal documentation (product sheets, authorization files)
• Communication with competent national authorities to update records where applicable
• Coordination with the distribution chain to ensure that updated labeling reaches the market

The risk of non-compliance is the loss of validity of the authorization, which affects simultaneously all Member States where the product is marketed under the Union authorization.

Who does it affect?

• Manufacturers of liquid disinfectants with sodium hypochlorite operating under the Union authorization
• Importers of these products from third countries that market them in the EU under such authorization
• Distributors that have products from the "Sodium hypochlorite Liquid disinfectant biocidal product family" in their catalog
• Regulatory compliance managers (Compliance, Regulatory Affairs) of companies in the chemical, industrial cleaning, hospital hygiene or food sectors
• Authorization holders or their legal representatives designated before the competent authorities

Practical example

A Spanish company that manufactures and distributes liquid disinfectants with sodium hypochlorite under European Union authorization has undergone a corporate merger in 2025, with a change in company name and legal representative before the regulatory authorities.

With the publication of Regulation (EU) 2026/2026, which updates the administrative data of the authorization, this company must:

1. Verify that the new corporate data (company name, representative) are already included in the modified authorization
2. Update the labeling of all products marketed under that authorization to reflect current data
3. Communicate the change to the competent national authorities in Spain (and in any other Member State where it operates) if required by the national procedure
4. Ensure that distributors withdraw from the market labeling with outdated data

If these updates are not made, the authorization could be questioned in an inspection, putting the commercialization of the product throughout the EU at risk.

What should companies do now?

1. Identify if your company operates under the Union authorization for the "Sodium hypochlorite Liquid disinfectant biocidal product family". If you market liquid disinfectants with sodium hypochlorite in the EU, verify under which authorization you do so.
2. Review the authorization documentation to verify that the administrative data (holder, representative, corporate data) are updated in accordance with Regulation (EU) 2026/2026.
3. Update the labeling of all affected products to reflect the current data of the authorization. This step is mandatory to maintain the validity of the authorization in all Member States.
4. Review records with the competent national authorities (in Spain, the Directorate General of Public Health) and update if applicable according to the current national procedure.
5. Communicate the changes to the distribution chain: wholesalers and distributors must be aware of the update to manage labeling in their warehouses and points of sale.
6. Document the compliance process internally to be able to prove it in the event of an inspection by the competent authorities.

Official source

Consult the complete regulation in the official source

Disclaimer: This article is for informational purposes only and does not constitute legal advice. For specific decisions, consult a qualified professional. Source: https://eur-lex.europa.eu/./legal-content/AUTO/?uri=OJ:L_202602026