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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 to solid soil phase is not expected.

Key value for chemical safety assessment

Additional information

Due to the specific properties of the substance it can be expected that the adsorption to organic matter is negligible. Although the QSARs for adsorption estimation are not valid for inorganic substances, an approximate estimation was carried out for Bis(hydroxylammonium)sulphate, using the QSAR for Nonhydrophobics from the TGD and the measured partition coefficient octanol/water. Using this correlation, a Koc of 0.141 l kg-1 was estimated indicating a very low adsorption to organic matter. (EU-RAR Draft 14. May 2008)