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Environmental fate & pathways

Adsorption / desorption

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Description of key information

No study was performed on diammonium dihydrogenpyrophosphate for the endpoint 'adsorption/desorption screening.' The adaptation to the standard testing regime was justified on the following basis:
The relevant guideline (OECD 121) is not validated for this type of substance. Testing is therefore not technically possible, with one of the rules for adaptation listed in Annex XI, Section 2 of Regulation No. 1907/2006.

Key value for chemical safety assessment

Additional information