Other Polymers Group

Information sheet

These substances were identified for action under the Chemicals Management Plan (CMP).

Summary of publications
Timelines
Background

Summary of publications
Substance group	CAS RN	Common name	DSL name	Public comments on the draft screening assessment	Final screening assessment	Proposed risk management approach	Conclusion on section 64 criteria	Follow-up activities
Other Polymers Group	32289-58-0	PHMB	Poly(iminocarbonimidoyliminocarbonimidoylimino-1,6-hexanediyl), hydrochloride	HTML	HTML	HTML	Meets one or more of the criteria	Refer to proposed risk management approach
	27083-27-8^{Footnote 1}	PHMB	Guanidine, N,N'''-1,6-hexanediylbis[N'-cyano-, polymer with 1,6-hexanediamine, hydrochloride			HTML	Meets one or more of the criteria	Refer to proposed risk management approach
	55818-57-0	DGEBA-DA resin	Phenol, 4,4'-(1-methylethylidene)bis-, polymer with (chloromethyl)oxirane, 2-propenoate			None	Does not meet	None planned at this time
	67762-15-6	Soya alkyd resin	Soybean oil, polymer with maleic anhydride, pentaerythritol and phthalic anhydride			None	Does not meet	None planned at this time
	125826-44-0	Polyurethane-33	Hexanedioic acid, polymer with 2,2-dimethyl-1,3-propanediol, 1,6-hexanediol, hydrazine, 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid and 1,1'-methylenebis[4-isocyanatocyclohexane], compd. with N,N-diethylethanamine			None	Does not meet	None planned at this time
Table 1 footnote 1 This CAS RN was previously assessed under the second phase of polymer rapid screening, but it is being reassessed as it is equivalent to CAS RN 32289-58-0. Return to Table 1 footnote 1 referrer

Timelines
Date	Activity
May 13, 2023	Publication of the Final Screening Assessment for the Other Polymers Group. The Risk Management Approach for PHMB (CAS RNs 32289-58-01 and 27083-27-81) was also published for a 60-day public comment period. The related notice was published in the Canada Gazette, Part I: Vol. 157, No. 19.
October 3, 2020	Publication and start of 60-day public comment period on the Draft Screening Assessment for the Other Polymers Group and the Risk Management Scope for PHMB. The related notice was published in the Canada Gazette, Part I: Vol. 154, No. 40.

Background

These substances were previously evaluated under the second phase of polymer rapid screening and identified as requiring further assessment due to potential human health risk.

Page details

2023-06-07

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