Flame Retardants Group

These substances were identified for action under the Chemicals Management Plan (CMP). This screening assessment focuses on 10 of 13 substances referred to collectively as the Flame Retardants Group.

Information sheet

Summary of publications
Substance group Subgroup CAS RN Common name and acronym DSL name Draft screening assessment Risk management scope Proposed conclusion on section 64 criteria Follow-up activities
Flame Retardants Group Alkyl organophosphate 78-40-0Footnote a Triethylphosphate; Triethyl Phosphate (TEP) Phosphoric acid, triethyl ester HTML HTML Meets one or more of the criteria Refer to risk management scope
Alkyl organophosphate 78-42-2Footnote a Tris(2-ethylhexyl) phosphate (TEHP) Phosphoric acid, tris(2-ethylhexyl) ester None Does not meet None planned at this time
Alkyl organophosphate 78-51-3 Tris(2-butoxethyl) phosphate (TBOEP) ethanol, 2-butoxy-, phosphate (3:1) Under consideration
Alkyl organophosphate 298-07-7Footnote a Bis(2-ethylhexyl) phosphate; bis (2-ethylhexyl) hydrogen phosphate (BEHP) Phosphoric acid, bis(2-ethylhexyl) ester None planned at this time
Aryl organophosphate 115-86-6Footnote b Triphenyl phosphate (TPHP) Phosphoric acid, triphenyl ester HTML Meets one or more of the criteria Refer to risk management scope
Aryl organophosphate 29761-21-5 Isodecyl diphenyl phosphate (IDDP) Phosphoric acid, isodecyl diphenyl ester
Aryl organophosphate 56803-37-3 Tert-butylphenyl diphenyl phosphate (BPDP) Phosphoric acid, (1,1-dimethylethyl)phenyl diphenyl ester
Aryl organophosphate 65652-41-7Footnote b Bis(tert-butylphenyl) phenyl phosphate (BDMEPPP) Phosphoric acid, bis[(1,1-dimethylethyl)phenyl] phenyl ester
Aryl organophosphate 68937-41-7Footnote c Isopropylated triphenyl phosphate (IPPP) Phenol, isopropylated, phosphate (3:1)
  n/a 58965-66-5Footnote b Tetradecabromo-1,4-diphenoxybenzene; perbromo-1,4-diphenoxybenzene (TDBDPB) Benzene, 1,2,4,5-tetrabromo-3,6-bis(pentabromophenoxy)-   None Does not meet Under consideration
Date Activity
November 2022 Anticipated publication of the final screening assessment and proposed risk management approach.
November 6, 2021 Publication and start of 60-day public comment period on the Draft Screening Assessment for the Flame Retardants Group (including follow-up activities for TBOEP and TDBDPB) and the Risk Management Scope for TPHP, BPDP, BDMEPPP, IDDP, IPPP and TEP. The related notice was published in the Canada Gazette, Part I: Vol. 155, No. 45.


Three other substances were identified as being a part of the Flame Retardants 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 a separate approach. The conclusions for CAS RNs 26446-73-1, 68527-01-5 and 68527-02-6 are provided in the Final Screening Assessment for the Rapid Screening of Substances with Limited General Population Exposure.

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