Substance prohibition summary for Dechlorane Plus (DP)

Disclaimer

This information has been prepared for convenience of reference only and is not to be understood as a legal document. This information does not supersede or modify any act, regulations or legal obligation, including an obligation to comply under any instruments referred to under the Canadian Environmental Protection Act, 1999.

Context

1,4:7,10-Dimethanodibenzo[a,e]cyclooctene, 1,2,3,4,7,8,9,10,13,13,14,14-dodecachloro-1,4,4a,5,6,6a,7,10,10a,11,12,12a-dodecahydro-(DP), which has the molecular formula C₁₈H₁₂Cl₁₂, and products containing DP are subject to the Prohibition of Certain Toxic Substances Regulations, 2025 (PCTSR 2025) which will repeal and replace the Prohibition of Certain Toxic Substances Regulations, 2012 (PCTSR 2012) on June 30, 2026. These Regulations are made under the authority of the Canadian Environmental Protection Act, 1999.

Prohibition and exemptions under PCTSR 2012

DP was not subject to the PCTSR 2012.

Prohibition and exemptions (authorized activities) under PCTSR 2025

The PCTSR 2025 prohibit the manufacture, use, sale and import of DP, and products containing DP. Once the PCTSR 2025 comes into force on June 30, 2026, the following authorized activities will be in effect:

the import, manufacture, use, and sale of a product containing DP, if DP is incidentally present
the use, sale and import of aircraft engine fan case rub strips products containing DP, and void-filling and edge-sealing products containing DP to service them, until December 31, 2030
the manufacture or import of aircraft engines containing fan case rub strip products that contain DP until December 31, 2030
for the following products: Electrical and electronic equipment (EEE); land-based motor vehicles; defense, aerospace and space products; stationary industrial machines, outdoor power equipment, and marine and garden products:
- manufacture, use, sale and import of parts containing DP for these products until January 1, 2031
- manufacture and import of these products containing parts containing DP until January 1, 2031
- use, sale and import of replacement parts containing DP for these products until the end of the service life of the product or December 31, 2044, whichever comes earlier
- ongoing use and sale of these products containing DP
the use and sale of all products containing DP that were in use or in inventory up to the coming into force of the PCTSR 2025 (June 29, 2026, inclusively)

Further detail on the authorized activities for DP may be found under Schedule 1 of the PCTSR 2025.

Permits

There are currently no permits available under the PCTSR 2012. Please note that once the PCTSR 2025 comes into force on June 30, 2026, permits will be available for certain substances and certain activities.

The PCTSR 2025 allows for permits to be issued for one year and renewed twice (for a total maximum of up to 3 years) to temporarily allow the continuation of eligible activities for certain products. The following activities and products containing DP are eligible for permit application:

the manufacture or import of the substance DP
the manufacture of aircraft engine fan case rub strips products containing DP, and void-filling and edge-sealing products containing DP to service them
the manufacture or import of all products other than those mentioned above containing DP or those already authorized under Schedule 1 of the 2025 Regulations

How to submit a permit application through the Regulatory Services Platform

Permit applications must be submitted during the permit application period between July 1, 2026, and July 30, 2026 (30 days after the day the PCTSR 2025 come into force) using ECCC's Regulatory Services Platform.

On the platform, users will be able to:

Create an account
Submit permit applications

More information relating to permits can be found on the Information for Permit Applications or Renewal for the Prohibition of Certain Toxic Substances Regulations, 2025 webpage.

Exempted laboratory uses

The prohibitions under the PCTSR 2012 and PCTSR 2025 do not apply to listed toxic substances, or to any products containing them, that are to be used in a laboratory for analysis, in scientific research or as a laboratory analytical standard.

A report must be submitted for every calendar year for the use or anticipated use of toxic substances.

How to submit a laboratory and research use report

Users of any listed toxic substance, or product containing it, for the above purposes are required to report the information set out in the Regulations using ECCC's Regulatory Services Platform before the use of more than 10 grams of each substance each calendar year.

Further details relating to exempted laboratory uses and instructions on how to report can be found on the Information for laboratories using certain toxic substances webpage.

More information

More information can be found on the CEPA registry webpage for the Prohibition of Certain Toxic Substances Regulations, 2025.

Inquiries on the Regulations can be made by emailing interdiction-prohibition@ec.gc.ca or by phoning the Substances Management Information line at:

1-800-567-1999 (Toll free in Canada)
1-819-938-3232 (Outside of Canada)

Definitions

EEE

Electrical and Electronic Equipment (EEE) are commonly understood to encompass a wide variety of products ranging from relatively simple mechanical devices (e.g. hair dryers) to major appliances and complex integrated systems such as computers and mobile phones. The EEE sector is typically broken down into two major subsectors: electronic equipment, and electrical equipment

Incidental presence

Incidental presence is generally understood to be a residual, a trace contaminant or impurity that was not intentionally added to the formulation

Page details

2025-12-31

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