Phosphoric Acid Derivatives Group

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 Phosphoric Acid Derivatives Group.

Summary of publications
Substance group CAS RN Common name DSL name Draft screening assessment Proposed conclusion on section 64 criteria Follow-up activities
Phosphoric Acid Derivatives Group 25155-23-1 Trixylyl phosphate Phenol, dimethyl-, phosphate (3:1) HTML Does not meet Under consideration
37310-83-1Table 1 Footnote a Oleyl phosphate 9-Octadecen-1-ol, (Z)-, phosphate None planned at this time
119345-01-6Table 1 Footnote aTable 1 Footnote b N/A Phosphorous trichloride, reaction products with 1,1-biphenyl and 2,4-bis(1,1-dimethylethyl)phenol
Footnote a

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

Table 1 Return to footnote a referrer

Footnote b

This substance was not identified under subsection 73(1) of CEPA 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 b referrer

Timelines
Date Activity
July 2020 Anticipated publication of the final screening assessment.
July 13, 2019 Publication and start of 60-day public comment period on the Draft Screening Assessment for the Phosphoric Acid Derivatives Group. The related notice was published in the Canada Gazette, Part I: Vol. 153, No. 28.

Background

Three other substances were identified as being a part of the Phosphoric Acid Derivatives 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 CAS RNs 68604-99-9, 68952-35-2, 111174-61-9 are provided in the Final Screening Assessment for the Rapid Screening of Substances with Limited General Population Exposure.

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