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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Water solubility

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Administrative data

Link to relevant study record(s)

Description of key information

According to column 2 of Annex VII of the REACH regulation, a test on water solubility (as required under point 7.7) is not required if the substance is not hydrolytically stable at pH 4, 7, and 9 (half life time below 12 h). The substance directly hydrolyses when coming into contact with water. 
The water solubility of the hydrolysis product N-Butylpyridinium chloride is > 900 g/L.

Key value for chemical safety assessment

Water solubility:
900 g/L
at the temperature of:
20 °C

Additional information