#32026D0599Commission Implementing Decision (EU) 2026/599 of 19 March 2026 not approving formaldehyde released from the reaction products of paraformaldehyde and 2-hydroxypropylamine (ratio 1:1) as an active substance for use in biocidal products of product-type 6
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The European Commission has decided not to approve the substance formaldehyde released from the reaction products of paraformaldehyde and 2-hydroxypropylamine (ratio 1:1), known as RP 1:1 or HPT, as an active substance for biocidal products of product-type 6 (in-can preservatives). The decision is based on the substance being classified as carcinogenic category 1B, which triggers the exclusion criterion under Article 5(1)(a) of the Biocidal Products Regulation. None of the derogation conditions in Article 5(2) were satisfied: risks from potential endocrine-disrupting properties could not be ruled out as negligible, suitable alternatives such as RP 3:2 exist for fuel preservation, and it is not essential to prevent serious danger. The evaluation process began in 2007 and concluded that approval conditions under Article 4(1) are also not met.
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Key Changes
- Non-approval of RP 1:1 (formaldehyde from paraformaldehyde + 2-hydroxypropylamine ratio 1:1) for product-type 6 effective after 19 March 2026
- Substance classified as carcinogenic category 1B triggering Article 5(1)(a) exclusion criterion
- No derogation under Article 5(2) as risks from potential endocrine-disrupting properties not negligible
+ 3 more changes with Pro
Obligations
What this law requires
Do not approve or market formaldehyde released from the reaction products of paraformaldehyde and 2-hydroxypropylamine (ratio 1:1) as an active substance for biocidal products of product-type 6 (in-can preservatives)
Do not place on the market any biocidal product containing RP 1:1 (formaldehyde released from reaction products of paraformaldehyde and 2-hydroxypropylamine ratio 1:1) for product-type 6 uses
Withdraw existing approvals or authorizations for biocidal products containing RP 1:1 for product-type 6 uses in accordance with national implementation procedures
Cease or wind down use of RP 1:1 in fuel preservation applications where the substance was previously authorized as an in-can preservative
Transition to suitable alternative substances such as RP 3:2 for fuel preservation applications previously using RP 1:1