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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Partition coefficient

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Administrative data

Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Log Kow (Log Pow):

Additional information

There was no partition coefficient data available for hydroxylammonium nitrate. However, read across data for hydroxylammonium sulphate and hydroxylamine were available. The partition coefficient for hydroxylammonium sulphate was reported as -3.6 at 20°C and a pH of 3.2 (although it did state that the coefficient was dependant on pH). The partition coefficient for hydroxylamine was reported as -1.5. It is likely that the partition coefficient for hydroxylammonium nitrate will be similar to this value.