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Esters Group

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These substances were identified for action under the Chemicals Management Plan (CMP). This screening assessment focuses on 14 of 16 substances referred to collectively under the CMP as the Esters Group.

Summary of publications

Substance group CAS RN Common name DSL name Draft screening assessment Risk management scope Proposed conclusion on section 64 criteria Follow-up activities
Esters Group 79-20-9
Table 1 Footnote a		 Methyl acetate Acetic acid, methyl ester HTML HTML Meets one or more of the criteria Refer to risk management scope
102-76-1 Triacetin 1,2,3-Propanetriol,triacetate None Does not meet None planned at this time
106-70-7
Table 1 Footnote a		 Methyl hexanoate Hexanoic acid, methyl ester
109-60-4 Propyl acetate Acetic acid, propyl ester
110-19-0 Isobutyl acetate Acetic acid, 2-methylpropyl ester
111-82-0 Methyl dodecanoate Dodecanoic acid, methyl ester
577-11-7 Docusate sodium Butanedioic acid, sulfo-, 1,4-bis(2-ethylhexyl) ester, sodium salt
623-42-7
Table 1 Footnote a		 Methyl butanoate Butanoic acid, methyl ester
1119-40-0 Dimethyl glutarate Pentanedioic acid, dimethyl ester
3234-85-3 Tetradecyl tetradecanoate Tetradecanoic acid, tetradecyl ester
6846-50-0 2,2,4-Trimethyl-1,3-pentanediol diisobutyrate Propanoic acid, 2-methyl-, 2,2-dimethyl-1-(1-methylethyl)-1,3-propanediyl ester
25265-77-4 Texanol Propanoic acid, 2-methyl-, monoester with 2,2,4-trimethyl-1,3-pentanediol
68990-53-4
Table 1 Footnote b		 C14-22 monoglycerides Glycerides, C14-22 mono-
  70657-70-4 Table 1 Footnote a 2-methoxypropyl acetate 1-Propanol, 2-methoxy-, acetate Under consideration
Table 1 Footnote a

This substance was not identified under subsection 73(1) of the Canadian Environmental Protection Act, 1999 (CEPA 1999) but was included in this assessment as it was considered a priority on the basis of other human health concerns.

Table 1 Return to footnote a referrer

Table 1 Footnote b

This CAS RN is a UVCB (unknown or variable composition, complex reaction products, or biological materials).

Table 1 Return to footnote b referrer

Timelines

Date Activity
March 2023 Anticipated publication of the final screening assessment and the proposed risk management approach.
March 19, 2022 Publication and start of 60-day public comment period on the Draft Screening Assessment for the Esters Group (including follow-up activities for 2-methoxypropyl acetate) and the Risk Management Scope for Methyl Acetate. The related notice was published in the Canada Gazette, Part I: Vol. 156, No. 12.

Background

Two additional substances (CAS RNs 111-55-7 and 122-79-2) were initially identified as being part of the Esters 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 substances are provided in the Final 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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