Gateway on Pesticide Hazards and Safe Pest Management

Updates from the Daily News Blog

France's Drinking Water Contaminated with Toxic Fungicide Chlorothalonil, Banned in EU but Widely Used in U.S.
April 18, 2023

TAKE ACTION! Tell Evian to Protect the Integrity of Its Purity Claim by Supporting a Worldwide Shift to Organic
July 27, 2020

Evian Bottled Water, Touted for Its Purity, Tainted With Toxic Fungicide Pervasive in the Environment
July 15, 2020

Honey Bee Queens' Exposure to Pesticides Weaken Reproductive Success and Colony Development
April 9, 2020

Focus on Pesticide Bans Continues in U.S. and EU, While Toxic Pesticide Use Continues
April 8, 2019

European Regulators Ban Carcinogenic, Frog-Killing Fungicide
April 4, 2019

Honey Bees Attracted to Glyphosate and a Common Fungicide
January 12, 2018

Pesticides Registered by EPA Alter Honey Bee Microbiome
August 12, 2016

Fresh Produce Tainted With Illegal Pesticides
October 23, 2015

New Studies Identify Fungicides as a Factor in Declining Bee Health
June 22, 2015

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Chlorothalonil

General Information

• Fact Sheet: Chlorothalonil.pdf
• Product Names:

  Bonide Fung Onil Multi Purpose Fungicide Ready to Use (Bonide Products)
  Ortho Multi Purpose Fungicide Daconil 2787 Plant Disease Control (Solaris Group), formulated with Propylene glycol
  Duron Weathershield Exterior Acrylic Semi Gloss, Accent Base (Duron), forumlated with Ethylene glycol, Diethylene glycol monobutyl ether, Kaolin clay, Titanium dioxide, Acrylic resin(s), Crystalline silica 
  Ortho Garden Disease Control Concetrate (Ortho Group) 
  Instrata (Syngenta), formulated with Propiconazole, Fludioxonil

• Chemical Class: Organochlorine fungicide
• Uses: Agricultural crops, Christmas trees, turf and golf course, residential lawns, adhesive and grout additive, paint preservative, wood treatment
• Alternatives: Agriculture, Ornamental/Lawn
• Beyond Pesticides rating: Toxic

Health and Environmental Effects

• Cancer: Likely (16)
• Endocrine Disruption: Not documented
• Reproductive Effects: Yes (6)
• Neurotoxicity: Yes (14)
• Kidney/Liver Damage: Yes (4)
• Sensitizer/ Irritant: Yes (8)
• Birth/Developmental: Not documented
• Detected in Groundwater: Yes (6)
• Potential Leacher: Yes (8)
• Toxic to Birds: Not documented
• Toxic to Fish/Aquatic Organisms: Yes (8)
• Toxic to Bees: Not documented

Additional Information

• Regulatory Status:
  • EPA Reregistration Eligibility Decision (RED) signed (9/1998)
  • New York tolerance petition
• Supporting information:
  • Daily News Blog entries (Beyond Pesticides)
  • Asthma, Children and Pesticides (Beyond Pesticides)
  • NCAP Chlorothalonil Factsheet (Northwest Coalition for Alternatives to Pesticides)
  • Extoxnet Chlorothalonil Factsheet (Extension Toxicology Network)
  • PAN Pesticides Database:Chlorothalonil (Pesticide Action Network)
• Studies:
• Long-term effects of neonicotinoid insecticides on ants. Schläppi, D., Kettler, N., Straub, L., Glauser, G. and Neumann, P., 2020. Communications biology, 3(1), pp.1-9.
• Assessing Field‐Scale Risks of Foliar Insecticide Applications to Monarch Butterfly (Danaus plexippus) Larvae. Krishnan, N., Zhang, Y., Bidne, K.G., Hellmich, R.L., Coats, J.R. and Bradbury, S.P., 2020. Environmental Toxicology and Chemistry, 39(4), pp.923-941.
• Human exposure and risk assessment to airborne pesticides in a rural French community.. Coscollà C, López A, Yahyaoui A, Colin P, et al. 2017. Sci Total Environ. 584-585:856-868
• Immune response of Brazilian farmers exposed to multiple pesticides . Jacobsen-Pereira, C.H. et al. (2020) ‘Immune response of Brazilian farmers exposed to multiple pesticides’, Ecotoxicology and Environmental Safety, 202, p. 110912. doi:10.1016/j.ecoenv.2020.110912.
• Toxicity of pesticides toward human immune cells U-937 and HL-60. Barbasz, A. et al. (2020) ‘Toxicity of pesticides toward human immune cells U-937 and HL-60’, Journal of Environmental Science and Health, Part B, 55(8), pp. 719–725. doi:10.1080/03601234.2020.1777059.
• Pesticide-Induced Inflammation at a Glance. Lopes-Ferreira, M. et al. (2023) ‘Pesticide-induced inflammation at a glance’, Toxics, 11(11), p. 896. doi:10.3390/toxics11110896.
• Lethal, sublethal, and combined effects of pesticides on bees: A meta-analysis and new risk assessment tools. Tosi, S., Sfeir, C., Carnesecchi, E., vanEngelsdorp, D., & Chauzat, M. P. (2022). Lethal, sublethal, and combined effects of pesticides on bees: A meta-analysis and new risk assessment tools. The Science of the total environment, 844, 156857. https://doi.org/10.1016/j.scitotenv.2022.156857