Other Polymers Group
Information sheet
These substances were identified for action under the Chemicals Management Plan (CMP).
| 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 |
| 27083-27-8Footnote 1 | Guanidine, N,N'''-1,6-hexanediylbis[N'-cyano-, polymer with 1,6-hexanediamine, hydrochloride |
|||||||
| 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 | |||
| 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.
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