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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

According to REACH regulation (Annex VIII, 9.3.1 column 2) an adsorption/desorption screening test does not need to be conducted, if the substance and its relevant degradation products decompose rapidly. As the TEA-Esterquats are determined to be readily biodegradable and are subject to degradation by hydrolysis, therefore a study on adsorption/desorption is considered to be not necessary.

Nevertheless the log KOC was deviated by QSAR modeling . The calculated log KOC is 2.28 using the QSAR tool KOCwin Vs. 2.0 by US EPA.

Key value for chemical safety assessment

Koc at 20 °C:

Additional information

[LogKoc: 2.28]