Trimellitates Group

Information sheet

This substance was identified for action under the Chemicals Management Plan (CMP). This screening assessment focuses on 3 of the 5 substances referred to collectively as the Trimellitates Group.

Summary of publications
Substance group CAS RN Common name DSL name Public comments on the draft screening assessment Final screening assessment Conclusion on section 64 criteria Follow-up activities
Trimellitates Group 3319-31-1 Tris(2-ethylhexyl) trimellitate (TEHT) 1,2,4-Benzenetricarboxylic acid, tris(2-ethylhexyl) esterHTML HTML Do not meet None planned at this time
70225-05-7 Branched tridecyl and isodecyl trimellitate (BTIT) 1,2,4-Benzenetricarboxylic acid, mixed branched tridecyl and isodecyl esters
94109-09-8 Tristridecyl trimellitate (TTDT) 1,2,4-Benzenetricarboxylic acid, tritridecyl ester
Date Activity
February 16, 2019 Publication of the final screening assessment. The related notice was published in the Canada Gazette, Part I: Vol. 153, No. 7.
December 2, 2017 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. 151, No. 48.


Two other substances (CAS RNs 53894-23-8 and 68515-60-6) were identified as being a part of the Trimellitates 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 in the Screening Assessment for Substances Identified as Being of Low Concern based on the Ecological Risk Classification of Organic Substances and the Threshold of Toxicological Concern (TTC)-based Approach for Certain Substances.

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