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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Melam is only slightly soluble at 24.5 mg/L water at 20 °C.

Key value for chemical safety assessment

Water solubility:
24.5 mg/L
at the temperature of:
20 °C

Additional information

Three sources are available. Two water solubility studies by R. Kierkels, 2008 and 2011, and the water solubilities estimated from the 3 aquatic toxicity studies, reported in section 6.1.

The maximum concentrations in the 3 aquatic toxicity studies, obtained after preparing a suspension of 100 mg melam/L water or aqueous medium at ca. 20 °C, ranged from 8.4 to 14 mg/L and are in reasonable agreement with the results obtained by Kierkels 2011 of 24.5 mg/L pure water at 20.0 °C.