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On this Page
  • Recent Reports and Announcements
  • Risk Evaluation and Mitigation Documents
  • Historic Documents

Information on Diquat Dibromide

See all Active Ingredients

Find information on the registration status, continuous evaluation and mitigation measures in California to regulate this active ingredient. An active ingredient is the chemical that makes a pesticide work on a target pest.

Active Ingredient: Diquat Dibromide
Type of Pesticide: Herbicide
California Registration: Yes
Products Registered
EPA Registration: Yes
Fumigant: No
California Restricted Material: No
Toxic Air Contaminant (TAC): No
Volatile Organic Compound (VOC): No
Potential Groundwater Contaminant: No
Reevaluation Status: None
Chemical Class: Bipyridilium
DPR Chemical Code: 229

Recent Reports and Announcements

  • Completion of Diquat Dibromide Mitigation for Swimmer Exposure

Risk Evaluation and Mitigation Documents

  • December 2019 - Completion of Diquat Dibromide Mitigation for Swimmer Exposure
  • August 1994 - Diquat Dibromide Risk Characterization Document - English pdf  

Historic Documents

  • April 1997 – Notice of Completion of Risk Assessment for the Active Ingredient Diquat Dibromide
  • December 1995 – Mitigation Proposal for Reduction of Human Exposure
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