Changes to the registration of 2,4-DB pesticides

changes-registration-2-4-db-pesticides

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Organization: Health Canada

Date published: November 2023

ISBN: 978-0-660-67656-2

All pesticides used in Canada must be registered under the Pest Control Products Act. Pesticides are re-evaluated to ensure that they continue to meet health and environmental requirements. Re-evaluation may result in the revocation of a product or product uses. Health Canada may also request changes to a product's label, including risk mitigation measures, use sites and application methods.

2,4-DB is a herbicide used on field crops and pastures. Highlights of the re-evaluation decision for the active ingredient 2,4-DB, published on January 29, 2019, are summarized below.

Label changes for 2,4-DB pesticides, as of January 29, 2021

Cancelled uses

Stop use in field corn

Other risk reduction measures

Users must follow the instructions on the updated labels.

Using a pesticide contrary with the label directions is a violation of the Pest Control Products Act.

Read the label

All pesticides registered in Canada have a Health Canada-approved label with a registration number. Read the pesticide label carefully, as it contains specific information on how to use it.

To find the most up-to-date label, use our online label search tool or search for "Health Canada pesticide labels" using your favourite search engine.

For more information

Re-evaluation decision RVD2019-01, 2,4-DB and its associated end-use products

The Health Canada-approved label is the official document for enforcement purposes. In the event of any discrepancy with the contents of this factsheet, the information on the label shall prevail.

Health Canada's Pesticide Compliance Program (PCP) is responsible for the enforcement of the Pest Control Products Act.

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