Recently, the European Chemicals Agency (ECHA) issued an announcement officially launching two public consultations regarding two biocidal active substances as "potential candidates for substitution" and related conditions for derogation. Relevant enterprises and stakeholders are required to submit their comments before the deadlines in August 2026.
Under the framework of the EU Biocidal Products Regulation (BPR), when an active substance poses a higher risk to human health or the environment, regulatory authorities will assess it as a "candidate for substitution". This means that during the product authorization stage, the regulatory authorities will conduct a comparative assessment. If safer alternatives exist on the market, biocidal products containing the substance may face the risk of authorization refusal or restriction. The consultation on derogation conditions aims to determine whether there are specific essential uses that need to be retained.
According to the ECHA announcement, these public consultations involve the following two active substances and their corresponding product-types (PT):
Two Active Substances Under Consultation
1. Zineb
Substance Information: EC No. 235-180-1, CAS No. 12122-67-7
Product-type: PT 21 (Antifouling products, typically used in marine antifouling coatings)
Consultation Deadline: August 3, 2026
2. Alphachloralose
Substance Information: EC No. 240-016-7, CAS No. 15879-93-3
Product-type: PT 14 (Rodenticides)
Consultation Deadline: August 13, 2026
The outcome of these two public consultations will directly impact the EU market access for the related biocidal products. If zineb and alphachloralose are ultimately confirmed as candidates for substitution, and there is insufficient data to support derogation conditions, relevant manufacturers and formulators may face risks such as shortened product authorization periods, restricted uses, or even mandatory market withdrawal. This requires the downstream supply chain to seek safer alternatives.
REACH24H Reminder
Enterprises producing, importing, or placing products containing the above two substances on the EU market should immediately evaluate the potential impact of substitution or restriction on their product lines. It is strongly recommended that stakeholders actively participate in the public consultations and submit data and comments to ECHA regarding the safety, non-substitutability (technical or economic), or critical uses of the substances, in order to strive for the necessary derogation conditions.
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