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Risk characterization ratios based on tralopyril and its ...

Tralopyril (marketed as ECONEA®) is a modern, metal-free antifouling biocide used in marine paints for ships and aquaculture to prevent hard fouling like barnacles. Registered by the EPA and in the EU, it acts as a pyrrole fungicide that disrupts energy metabolism in marine organisms. It is often paired with other boosters to combat soft fouling.

Mechanism: Tralopyril works by interrupting mitochondrial function, causing significant decreases in adenosine triphosphate (ATP) and reducing energy available for biofouling attachment.
Application: It is primarily utilized in coatings for commercial shipping, industrial structures, and aquaculture, often branded as ECONEA®.
Environmental Fate: While designed to be more environmentally friendly than metal-based paints, it is unstable in water and degrades hydrolytically into BCCPCA (3-bromo-5-(4-chlorophenyl)-4-cyano-1H-pyrrole-2-carboxylic acid).
Efficacy & Usage: It is highly effective at preventing hard fouling, such as barnacles, and is commonly used in combination with other biocides like zinc pyrithione (ZnPT) to broaden the spectrum against algae.
Toxicity Concerns: Studies indicate potential risks to non-target aquatic organisms, including developmental damage to marine medaka larvae, disruption of lipid metabolism in fish, and potential neurotoxicity, though it has low acute risk to mammals.
Regulation: Tralopyril is authorized under the European Union Biocide Products Regulation (BPR) and registered with the EPA.

Bioaccumulation: Tralopyril has a relatively high potential for bioenrichment in marine organisms (log
).
Degradation: It quickly degrades into its primary metabolite, BCCPCA, in the environment.
Combined Effects: Research shows it can interact with environmental stressors, such as ocean acidification, potentially altering the energy metabolism and reproductive development of shellfish like Crassostrea gigas.

Biodegradation of third-generation organic antifouling biocides and ...
Mar 15, 2021 — This is in line with a market survey, where tralopyril was not found in the material safety data sheets of 81 antifouling paints f...
ScienceDirect.com
ISO 15181-6:2012(en), Paints and varnishes — Determination of ...
Early developmental responses of three sea urchin species to ...
Aug 15, 2019 — Tralopyril (TP), an antifouling biocide, is widely used to prevent heavy biofouling, and can have potential risks to aquatic organ...
ScienceDirect.com

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Antifouling & fouling release biocide Tralopyril

China AAB Industry Technology Group

https://www.aabindustrygroup.com › antifouling-fouling...

China AAB Industry Technology Group

https://www.aabindustrygroup.com › antifouling-fouling...

Anti-fouling coatings are an important type of can prevent the attachment of Marine organisms, reduce the resistance of water flow and prolong the service life ...

Tralopyril - a potential new antifouling biocide of concern?

Chiron.no

https://www.chiron.no › GetFile

Chiron.no

https://www.chiron.no › GetFile

PDF

Tralopyril (TP) is a biocide that has recently been introduced into marine antifouling paints, applied to boat hulls or static structures such as oil rig and.Read more

Scholarly articles for Antifouling & fouling release biocide Tralopyril
Biocides in antifouling paint formulations currently … - ‎Paz-Villarraga - Cited by 112 … of third-generation organic antifouling biocides and … - ‎Koning - Cited by 24

Web results

Tralopyril

Regulations.gov

https://downloads.regulations.gov › attachment_1

Regulations.gov

https://downloads.regulations.gov › attachment_1

PDF

Jun 6, 2019 — Harmful Anti-fouling Systems for Ships – The generation of biocide leaching rate estimates for anti-fouling coatings and their use in the ...Read more

13 pages

Effects of single or combined exposure to tralopyril and ...

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

by P Li2024Cited by 2 — Being an antifouling agent, it is released into the aquatic environment through the application of antifouling coatings on ship surfaces, marine monitoring ...Read more

Environmental and Economic Impact of an Innovative Biocide ...

National Institutes of Health (.gov)

https://pmc.ncbi.nlm.nih.gov › articles › PMC9860572

National Institutes of Health (.gov)

https://pmc.ncbi.nlm.nih.gov › articles › PMC9860572

by S Venettacci2023Cited by 18 — The work provides an economic sustainability and environmental impact analysis for the validation of a biocide-free antifouling coating for marine applications.Read more

Determination of release rate of biocides from antifouling paints ...

ISO - International Organization for Standardization

https://www.iso.org › obp

ISO - International Organization for Standardization

https://www.iso.org › obp

This part of ISO 15181 specifies a method for determining the amount of tralopyril that has been released from an antifouling paint into artificial seawater in ...

Missing: ~~fouling~~ ‎| Show results with: fouling

Domestic Marine Coatings Regulatory Update

American Coatings Association

https://www.paint.org › Advocacy

American Coatings Association

https://www.paint.org › Advocacy

At the federal level, ACA has been involved in U.S. EPA's review of various registered biocides (copper, tralopyril, cybutryne, zinc pyrithione, copper ...Read more

Toxicological Effects of Antifouling Agents on Non-target ...

Department of Ecology - State of Washington (.gov)

https://apps.ecology.wa.gov › documents

Department of Ecology - State of Washington (.gov)

https://apps.ecology.wa.gov › documents

PDF

by A MahmoodiCited by 1 — Tralopyril (4-bromo-2-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrrole-3-carbonitrile) is a biocidal agent commonly used in antifouling paints ...Read more

59 pages

A Guide to Tralopyril's Role

NINGBO INNO PHARMCHEM CO.,LTD.

https://www.nbinno.com › Pesticides › Tralopyril

NINGBO INNO PHARMCHEM CO.,LTD.

https://www.nbinno.com › Pesticides › Tralopyril

Tralopyril, a synthetic biocide, has gained traction due to its potent ability to prevent the settlement and growth of a wide range of fouling organisms on ...Read more

Ship antifouling biocides used in Japan and their ...

PICES - North Pacific Marine Science Organization

https://meetings.pices.int › S4-0910-Okamura-upd

PICES - North Pacific Marine Science Organization

https://meetings.pices.int › S4-0910-Okamura-upd

PDF

Anti-fouling (A/F) system is needed to prevent biofouling on ship hulls, fishing nets, submerged structures, and water cooling pipes, and so on,.Read more

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Web results

Antifouling & fouling release biocide Tralopyril

Tralopyril - a potential new antifouling biocide of concern?

Scholarly articles for Antifouling & fouling release biocide Tralopyril

Web results

Tralopyril

Effects of single or combined exposure to tralopyril and ...

Environmental and Economic Impact of an Innovative Biocide ...

Determination of release rate of biocides from antifouling paints ...

Domestic Marine Coatings Regulatory Update

Toxicological Effects of Antifouling Agents on Non-target ...

A Guide to Tralopyril's Role

Ship antifouling biocides used in Japan and their ...

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