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Partition coefficient

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Description of key information

Key value for chemical safety assessment

Log Kow (Log Pow):

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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.