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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Bioaccumulation: aquatic / sediment

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Administrative data

Link to relevant study record(s)

Description of key information

In accordance with column 2 of REACH Annex IX, the bioaccumulation test on fish does not need to be conducted as the substance has a low potential for bioaccumulation. Guanidine phosphate is a very hydrophilic substance which is completely ionized in the environmental relevant pH. In general, ionized substances do not readily diffuse across surfaces. This is supported by the Meylan et al (1999) QSAR estimation and an incompletely reported  BCF study in fish of Guanidine hydrochloride.

Key value for chemical safety assessment

Additional information