Order 2025-66-04-01 Amending the Domestic Substances List: SOR/2025-174

Canada Gazette, Part II, Volume 159, Number 19

Registration
SOR/2025-174 August 29, 2025

CANADIAN ENVIRONMENTAL PROTECTION ACT, 1999

The Minister of the Environment makes the annexed Order 2025-66-04-01 Amending the Domestic Substances List under subsection 66(1)footnote a of the Canadian Environmental Protection Act, 1999 footnote b.

Ottawa, August 27, 2025

Julie Dabrusin
Minister of the Environment

Order 2025-66-04-01 Amending the Domestic Substances List

Amendments

1 Part 1 of the Domestic Substances List footnote 1 is amended by adding the following in numerical order:

2 (1) Part 3 of the List is amended by deleting the following:
11994-6 N 1,3-Isobenzofurandione, polymer with 2,2-dimethyl-1,3-propanediol, 1,2-propanediol, 1,2-ethanediol, branched alcohol, 2,5-furandione and fatty acid unsaturated dimers
13642-7 N 1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, fatty acid unsaturated dimers, branched alcohol, 2,6-furandione and 1,2-propanediol
14550-6 N Phenol, 4,4′-(1-methylethylidene)bis-, polymer with (chloromethyl)oxirane, 2-butoxyethanol, alkanol and phosphoric acid
14653-1 N 2-Propenoic acid, 2-methyl-, butyl ester, polymer with ethenylbenzene, branched aliphatic acrylate ester and 2-methyl-2-propenoic acid
14986-1 N 1,3-Benzenedicarboxylic acid, polymer with 2,5-furandione, hexanedioic acid, branched diol, 2,2′-oxybis(ethanol) and 1,2-propanediol
15014-2 N 2,5-Furandione, polymer with branched alcohol, 1,3-isobenzofurandione and 2-methyl-1,3-propanediol
15015-3 N 2,5-Furandione, polymer with 1,2-ethanediol, branched alcohol, 1,3-isobenzofurandione, 2-methyl-1,3-propanediol and 1,2-propanediol
16639-7 N Methyloxirane, polymer with oxirane, ether with 1,2,3-propanetriol (3:1), α-hydro-ω-hydroxypoly[oxy(methyl-1,2-ethanediyl)], 1,3-diisocyanatomethylbenzene, mercaptoalkanol and ethenyltrialkoxysilane blocked
16641-0 N Methyloxirane, polymer with oxirane, ether with 1,2,3-propanetriol (3:1), α-hydro-ω-hydroxypoly[oxy(methyl-1,2-ethanediyl)], 1,3-diisocyanatomethylbenzene, 3-mercaptoalkanol and ethenyltrialkoxysilane blocked
(2) The portion of Part 3 of the List corresponding to the masked name of the substance “11595-3 T†is replaced by the following:
11595-3 T Dodecylbenzenesulfonic acid, compd. with iminobis[alkanol]
(3) The portion of Part 3 of the List corresponding to the masked name of the substance “11981-2 T-P†is replaced by the following:
11981-2 T-P 2-Propenoic acid, 2-methyl-, carbomonocycle ester, polymer with 2-ethylhexyl 2-methyl-2-propenoate, 2-alkylalkyl 2-propenoate and 2-substitutedethyl 2-propenoate, tert-Bu alkaneperoxoate-initiated
(4) The portion of Part 3 of the List corresponding to the masked name of the substance “12332-2 T†is replaced by the following:
12332-2 T Heteropolycycledione, polymer with 2,2-dimethyl-1,3-propanediol and 2-ethyl-2-(hydroxymethyl)-1,3-propanediol
(5) The portion of Part 3 of the List corresponding to the masked name of the substance “12338-8 T†is replaced by the following:
12338-8 T 2-Propenoic acid, 2-methyl-, butyl ester, polymer with butyl 2-propenoate, ethenylbenzene and hydroxyalkyl 2-methyl-2-propenoate
(6) The portion of Part 3 of the List corresponding to the masked name of the substance “12658-4 T” is replaced by the following:
12658-4 T Poly(oxy-1,4-butanediyl), α-(substituted)-ω-[(aminocarbonyl)oxy]-
(7) The portion of Part 3 of the List corresponding to the masked name of the substance “12916-1 T” is replaced by the following:
12916-1 T 2-Propenoic acid, 2-methyl-, 1,1′-(1,2-ethanediyl) ester, polymer with butyl 2-propenoate, ethenylbenzene and alkyl 2-methyl-2-propenoate
(8) The portion of Part 3 of the List corresponding to the masked name of the substance “13045-4 N” is replaced by the following:
13045-4 N 1,3-Benzenedimethanamine, N1,N1,N3,N3-tetrakis(2-oxiranylmethyl)-, polymer with carbomonocycledimethanamine
(9) The portion of Part 3 of the List corresponding to the masked name of the substance “13051-1 T-P” is replaced by the following:
13051-1 T-P Carbomonocycledicarboxylic acid, polymer with dimethyl 1,4-benzenedicarboxylate, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and 1,6-hexanediol
(10) The portion of Part 3 of the List corresponding to the masked name of the substance “13056-6 T-P” is replaced by the following:
13056-6 T-P 2-Propenoic acid, 2-methyl-, alkyl ester, polymer with ethenylbenzene, 2-oxiranylmethyl 2-methyl-2-propenoate and 1,2-propanediol mono-2-propenoate, isooctadecanoate
(11) The portion of Part 3 of the List corresponding to the masked name of the substance “13411-1 N” is replaced by the following:
13411-1 N Dodecanedioic acid, polymer with 2,2′-[1,4-butanediylbis(oxymethylene)]bis[oxirane], (chloromethyl)oxirane, 4,4′-(1-methylethylidene)bis[phenol], alkanedioic acid and 2,2′-oxybis[ethanol]
(12) The portion of Part 3 of the List corresponding to the masked name of the substance “13500-0 N” is replaced by the following:
13500-0 N 2-Propenoic acid, 2-methyl-, 2-(disubstituted)ethyl ester, polymer with butyl 2-propenoate, 2-hydroxyethyl 2-propenoate and methyl 2-methyl-2-propenoate
(13) The portion of Part 3 of the List corresponding to the masked name of the substance “14017-4 T” is replaced by the following:
14017-4 T Alkanoic acid, 2-hydroxy-, compd. with α-(2-aminomethylethyl)-ω-(2-aminomethylethoxy)poly[oxy(methyl-1,2-ethanediyl)] polymer with 2-(chloromethyl)oxirane and 4,4′-(1-methylethylidene)bis[phenol]
(14) The portion of Part 3 of the List corresponding to the masked name of the substance “14409-0 N” is replaced by the following:
14409-0 N Non-metallic acid, polymer with 2-(chloromethyl)oxirane, 4,4′-(1-methylethylidene)bis[phenol] and 2-(phenoxymethyl)oxirane
(15) The portion of Part 3 of the List corresponding to the masked name of the substance “16232-5 N” is replaced by the following:
16232-5 N Poly[oxy(methyl-1,2-ethanediyl)], α-[2-[[(2-substitutedethoxy)carbonyl]amino]methylethyl]-ω-[2-[[(2-hydroxyethoxy)carbonyl]amino]methylethoxy]-

Coming into Force

3 This Order comes into force on the day on which it is registered.

N.B. The Regulatory Impact Analysis Statement for this Order appears following SOR/2025-176, Order 2025-112-04-01 Amending the Domestic Substances List.