Triazines and Triazole Group

Information sheet

These substances were identified for action under the Chemicals Management Plan (CMP). This screening assessment focuses on 3 of 6 substances referred to collectively as the Triazines and Triazole Group.

Summary of publications
Substance group CAS RN Common name DSL name Draft screening assessment Proposed conclusion on section 64 criteria Follow-up activities
Triazines and Triazole Group 61-82-5 Amitrole 1H-1,2,4-Triazol-3-amine HTML Do not meet Under consideration
2893-78-9 Sodium dichloroisocyanurate (NaDCC) 1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3-dichloro-, sodium salt None planned at this time
3089-11-0 Hexa(methoxymethyl)melamine 1,3,5-Triazine-2,4,6-triamine, N,N,N’,N’,N’’,N’’-hexakis(methoxymethyl)- Under consideration
Date Activity
April 2020 Anticipated publication of the final screening assessment
April 13, 2019 Publication and start of 60-day public comment period on the draft screening assessment (including follow-up activities for CAS RNs 61-82-5 and 3089-11-0). The related notice was published in the Canada Gazette, Part I: Vol. 153, No. 15.


Six substances were originally referred to under the Chemicals Management Plan as the Triazoles Group and the Cyanurates Group. These 2 groups have since been merged and are referred to collectively as the Triazines and Triazole Group. Two of these 6 substances were subsequently determined to be of low concern to both human health and the environment through another approach. Conclusions for CAS RNs 101-37-1 and 288-88-0 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. The other substance (CAS RN 121-82-4) will be assessed in a future screening assessment.

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