Changes to the registration of acephate pesticides

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Organization: Health Canada

Date published: January 2024

ISBN: 978-0-660-67984-6

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.

Acephate is an organophosphate insecticide used in agriculture, ornamental production, forestry and on rights-of-way. The key elements of the re-evaluation and special review decisions for the active ingredient acephate, published on April 3, 2020, are summarized below.

Cancelled product, as of April 3, 2023

Stop using ORTHENE 75% (Registration No. 14225)
The sale of this product is prohibited as of April 3, 2022.

Label changes for acephate pesticides, as of April 3, 2022

Cancelled uses

Stop the following uses:

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

  • Special review decision SRD2020-01, Special review decision concerning acephate. Re-evaluation decision RVD2020-07, Acephate 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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