Thallium and its compounds

Information sheet

These substances were identified for action under the Chemicals Management Plan (CMP). This screening assessment focuses on the thallium moiety and therefore considers all thallium-containing substances, that may release thallium as well as thallium in its elemental form, and thallium released in the environment in dissolved, solid or particulate forms. This includes 5 thallium-containing substances identified as priorities for assessment, which are listed in the table below.

Summary of publications
Substance group CAS RN Common name DSL or R-ICL name Draft screening assessment Risk management scope Proposed conclusion on section 64 criteria Follow-up activities
Thallium and its compounds 7440-28-0Table 1 footnote a Thallium Thallium HTML HTML Meets one or more of the criteria Refer to risk management scope
563-68-8 Thallium(I) acetate Acetic acid, thallium(1++) salt
7791-12-0 Thallium chloride Thallium chloride
10031-59-1Table 1 footnote b Thallium(I) sulfate Sulfuric acid, thallium(1+) salt (1:?)
55172-29-7Table 1 footnote b 201TlCl Thallium chloride (201TlCl)
Timelines
Date Activity
September 2021 Anticipated publication of the final screening assessment and proposed risk management approach.
September 19, 2020 Publication and start of 60-day public comment period on the draft screening assessment and risk management scope. The related notice was published in the Canada Gazette, Part I: Vol. 154, No. 38.

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