Substances Added to Domestic Substances List

Summary#

Order 2024-87-05-01 Amending the Domestic Substances List adds several specific chemicals to Canada’s Domestic Substances List. The order was registered (and therefore came into force) on June 28, 2024 and was published in the Canada Gazette on July 17, 2024.

What it does#

• Adds the following CAS numbers to Part 1 of the Domestic Substances List:
  • 26745-88-0 (N‑P)
  • 68131-28-2 (N‑P)
  • 132596-02-2 (N‑P)
  • 157811-87-5 (N‑P)
  • 308336-62-1 (N)
  • 1401453-42-6 (N‑P)
  • 2946653-02-5 (N‑P)
• Adds the following entries to Part 3 of the Domestic Substances List (CAS number, N‑P designation, and chemical name):
  • 19711-9 (N‑P) — Cashew nutshell liq., polymer with alkanedioic acid and epichlorohydrin
  • 19716-4 (N‑P) — Fatty acids, alkene, polymer, polymers with alkanedioic acid and hexamethylenediamine
  • 19717-5 (N‑P) — Poly(oxy-1,2-ethanediyl), α-hydro-ω-hydroxy-, polymer with 5‑isocyanato-1-(isocyanatomethyl)1,3,3‑trimethylcyclohexane, alcohol, alkyl, dimerized, poly(oxy-1,2-ethanediyl), α[tris(carbomonocyclicalkyl)phenyl]ω‑hydroxy and alkanol
  • 19718-6 (N‑P) — Acetic acid alkenyl ester, polymer with 1-alkenyl heteromonocycle and α-hydro-ω-hydroxypoly(oxy-alkanediyl), hydrolyzed
• The order notes that the Ministers were satisfied the substances had already been manufactured in or imported into Canada in quantities above the notification threshold, and that the statutory assessment period had ended with no conditions in force.

Who's affected#

• Businesses that manufacture or import the listed substances in Canada.
• Chemical suppliers, formulators and manufacturers who use these substances in products.
• Regulators and environmental authorities who track chemical inventories.
• The general public only indirectly (through product supply chains and possible future assessments).
  If it’s unclear whether a specific company or product is affected, the company’s supplier or a regulatory adviser can confirm using the CAS numbers above.

Why it matters#

• Being put on the Domestic Substances List means these chemicals are officially recorded as present in Canada. That usually changes how they are treated under the New Substances rules (because they are no longer treated as “new” for listing purposes).
• For businesses, this can affect notification requirements, record-keeping and planning for imports or manufacture.
• For the public, it affects what chemicals regulators know are in commerce and may influence future risk assessments or controls.
• The Government’s Regulatory Impact Analysis Statement for this change appears after SOR/2024-159 in the Gazette publication for more context.