Thiophosphate Alkyl Esters Group

These substances were identified for action under the Chemicals Management Plan (CMP). This screening assessment focuses on 2 substances referred to collectively as the Thiophosphate Alkyl Esters Group.

Summary of publications
Substance group CAS RN Confidential Accession Numbers (CAN) Acronym International Union of Pure and Applied Chemistry (IUPAC) or trade name Draft screening assessment Risk management scope Proposed conclusion on section 64 criteria Follow-up activities
Thiophosphate Alkyl Esters Group 91745-46-9 11145-3 TPAE-1Footnote a Reaction products of 4-methyl-2-pentanol and diphosphorus pentasulfide, propoxylated, esterified with diphosphorous pentaoxide, and salted by amines, C12-14- tert-alkyl HTML HTML Meets one or more of the criteria Refer to risk management scope
n/a 11105-8 TPAE-2Footnote a Phosphorothioic acid, O,O-dibutyl ester, mixed (C8,C16,C18) alkylamine saltFootnote b None Does not meet Under consideration
Footnote 1

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

Return to footnote a referrer

Footnote 2

This is a trade name; the substance has IUPAC names for each of its 2 main constituents.

Return to footnote b referrer

Timelines
Date Activity
March 2022 Anticipated publication of the final screening assessment and proposed risk management approach.
March 13, 2021 Publication and start of 60-day public comment period on the Draft Screening Assessment for Thiophosphate Alkyl Esters Group (including follow-up activities for TPAE-2) and the Risk Management Scope for TPAE-1 of the Thiophosphate Alkyl Esters Group. The related notice was published in the Canada Gazette, Part I: Vol. 155, No. 11 .
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