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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Description of key information

The log Koc of MAPTAC estimated by calculation was -0.62 (Kow method) and 1.68 (MCI method) (EPIWEB version 4.1, KOCWIN v2.00). 

Key value for chemical safety assessment

Additional information

In accordance with column 2 of REACH annex IX, 9.3.1., no study on adsorption/desorption is required based on a log Kow of -2.58.

However, a calculated adsorption coefficient is provided: The log Koc of MAPTAC estimated by calculation was -0.62 (Kow method) and 1.68 (MCI method) (estimated with EPIWEB version 4.1, KOCWIN v2.00).