Is Chlorothalonil Banned? EU vs US Status, Risks & Where It Hides
TL;DR: Chlorothalonil is banned in the EU but allowed in the US (pesticides).
CAS 1897-45-6.
Is Chlorothalonil banned in the EU?
| EU status | Banned |
|---|---|
| US status | Allowed |
| Risk level | high |
| Where it shows up | potatoes, peanuts, tomatoes |
| CAS number | 1897-45-6 |
What is Chlorothalonil?
Chlorothalonil (CAS 1897-45-6) is a fungicide used in industrial agriculture.
Why is Chlorothalonil used in food?
It is applied as a broad-spectrum protectant fungicide.
Is Chlorothalonil dangerous? Documented risks
Banned in the EU in 2019 over carcinogenicity and water contamination.
Common US products containing Chlorothalonil
- potatoes
- peanuts
- tomatoes
How to avoid Chlorothalonil: safer alternatives
Choose USDA-certified-organic produce, buy from EU-importing brands, and wash and peel conventional produce. BannedPantry flags products and crops associated with high-residue pesticides.
Frequently asked questions about Chlorothalonil
Is Chlorothalonil banned in the EU?
Yes — Chlorothalonil is banned in the European Union, while it remains allowed for use in the United States.
Is Chlorothalonil allowed in the US?
Chlorothalonil is allowed in the United States. US regulators have not imposed the same restrictions that apply across the EU.
Why is Chlorothalonil a concern?
Independent reviews flag Chlorothalonil for documented health or environmental risks, which is why EU regulators acted while the US has not.
How do I avoid Chlorothalonil?
Choose certified-organic or EU-imported products, check labels, and scan barcodes with BannedPantry to flag Chlorothalonil instantly.
Scan any product's barcode and instantly see if it contains Chlorothalonil or other ingredients banned overseas.
Scan a product free →Related pesticides
Avoiding banned food additives? Check your beauty shelf, too.
Sources
- 85 pesticides outlawed elsewhere still used in the US — Center for Biological Diversity
- Residues of pesticides banned in the EU in imported food — Veblen Institute
- EPA Pesticide Registration — U.S. EPA
Our scores are never influenced by brands. Last updated 6/11/2026.