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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 Koc1<1.26, log Koc2: <1.26 to 4.87

Key value for chemical safety assessment

Additional information

The HPLC method using soil-adsorption-reference data was applied for the determination of the adsorption coefficient (Koc) of Pigment Blue 61 under GLP compliance and used as the key study. In the chromatogram of the test solution, two peaks were observed. The first peak eluted before formamide. The second peak was a very broad peak. The logKoc values were < 1.26, < 1.26, 4.87 for peak 1, peak 2 at the start and peak 2 at the end, respectively.