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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Environmental fate & pathways


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Administrative data

Link to relevant study record(s)

Description of key information

Uronium hydrogen sulphate readily degrades to urea and sulfuric acid and/or sulfate ions in the environment.
Urea is stable in aqueous solution. Hydrolysis is not seen and is not predicted based on a theoretical assessment of the structure of the molecule. Moreover urea is readily biodegradable.
Sulfates ions are naturally ubiquitous in the environment will either become part of the sulfur cycle or be assimilated by microorganisms and plants.
Further investigation is not justified.

Key value for chemical safety assessment

Additional information