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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Adsorption coefficient was calculated using partition coefficient as Koc = Pow.

Key value for chemical safety assessment

Koc at 20 °C:
28 183.83

Additional information

According to method C.19 Koc = Pow.

1-octanol/water partition coefficient of Atlen SK is 4.45 (as logPow) at 20 °C.

LogKoc = LogPow = 4.45, recalculate to Koc = Pow = 28183.83

However, in accordance with column 2 of REACH Annex VIII the Adsorption/desorption screening test does not need to be conducted for substances which are readily biodegradable.

[LogKoc: 4.45]