Silver and its compounds
These substances were identified for action under the Chemicals Management Plan (CMP). This screening assessment focuses on the silver moiety and therefore considers silver in its elemental form, silver-containing substances, and all forms of silver found in the environment. The health conclusion includes, but is not limited to the 7 substances identified in the table below (referred to in the screening assessment as the Silver and its Compounds Group); however, the proposed ecological conclusion is limited to those 7 substances.
|Substance group||CAS RN||Common name||DSL name||Public comments on the draft screening assessment||Final screening assessment||Proposed Conclusion on section 64 criteria||Follow-up activities|
|Silver and its compounds||7440-22-4||Silver||Silver||HTML||HTML||Does not meet||Under consideration|
|7761-88-8||Silver nitrate||Nitric acid silver(1+) salt|
|7783-90-6||Silver chloride||Silver chloride (AgCl)|
|7785-23-1||Silver bromide||Silver bromide (AgBr)|
|10294-26-5||Silver sulfate||Sulfuric acid, disilver(1+) salt|
|20667-12-3||Silver oxide||Silver oxide (Ag2O)|
|21548-73-2||Silver sulfide||Silver sulfide (Ag2S)|
Although a risk to human health or the environment has not been identified at levels of exposure considered in the screening assessment, there may be a concern if exposure to silver and its compounds were to increase. As a result, silver and its compounds may be considered in future initiatives to obtain additional information.
|August 27, 2022||Publication of the final screening assessment. The related notice was published in the Canada Gazette, Part I, Vol. 156, No. 35.|
|August 15, 2020||Publication and start of 60-day public comment period on the draft screening assessment (including follow-up activities). The related notice was published in the Canada Gazette, Part I: Vol. 154, No. 33.|
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