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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Key value for chemical safety assessment

Effects on fertility

Additional information
Short description of key information:
No data are available on Uronium hydrogen sulphate.
However data available on its degradation products (sulphate salt and urea) in the human body show that Uronium hydrogen sulphate is very unlikely to be a reproductive toxin:
- Calcium sulfate dihydrate showed no signs of reproduction/developmental toxicity in an OECD 422 reproduction/developmental screening test (NOAEL = 790 mg/kg bw/day, as anhydrous).
- Urea is very unlikely to be a reproductive toxin; it is naturally produced in large quantities in the human body as a consequence of normal protein catabolism and has no effects after long term exposure, especially regarding reproductive organs.
Thus testing cannot be justified scientifically.

Justification for classification or non-classification

Additional information