Macrocyclic Lactones and Ketones, Ionones and Cyclohexanone Group
These substances were identified for action under the Chemicals Management Plan (CMP). This screening assessment focuses on 11 of 13 substances referred to collectively as the Macrocyclic Lactones and Ketones, Ionones and Cyclohexanone Group.
|Substance group||CAS RN||Common name||DSL name||Draft screening assessment||Proposed conclusion on section 64 criteria||Follow-up activities|
|Macrocyclic Lactones and Ketones, Ionones and Cyclohexanone Group||106-02-5||Exaltolide||Oxacyclohexadecan-2-one||HTML||Does not meet||None planned at this time|
|May 2019||Anticipated publication of the final screening assessment.|
|May 19, 2018||Publication and start of 60-day public comment period on the draft screening assessment. The related notice was published in the Canada Gazette, Part I: Vol. 152, No. 20.|
Two other substances, CAS RNs 8001-04-5 and 68140-48-7, were identified as being part of the Macrocyclic Lactones and Ketones, Ionones and Cyclohexanone Group at the outset of the third phase of the CMP. These substances were subsequently determined to be of low concern to both human health and the environment, through other approaches. Conclusions for these 2 substances are provided in the Screening Assessment for Substances Identified as Being of Low Concern using the Ecological Risk Classification of Organic Substances and the Threshold of Toxicological Concern (TTC)-based Approach for Certain Substances.
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