Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Adsorption / desorption

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Administrative data

Link to relevant study record(s)

Description of key information

Log Koc = <1.25; Butler & White (2011); OECD 121 (HPLC Estimation Method)

Key value for chemical safety assessment

Koc at 20 °C:
17.8

Additional information

No reliable data are available for the adsorption of isononyl phosphate. However, reliable data are available for the analogue, Phosphoric acid, 2-ethylhexyl ester (CAS 12645 -31 -7) and are included in the dossier.

In a single key study by Butler and While (2011), the adsorption coefficient was determined in accordance with OECD Guideline 121 (HPLC Estimation Method). The adsorption coefficient (Koc) of Phosphoric acid, 2-ethylhexyl ester has been determined to be less than 17.8 (log10 Koc <1.25).

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[LogKoc: 1.25]