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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

97.47 g/l

Key value for chemical safety assessment

Water solubility:
97.47 g/L
at the temperature of:
25 °C

Additional information

Acid Red 249:1 is a multiconstituent substance composed by the acidic and the sodium salt forms of the same structure (72.7 % and 14.95 % of the substances respectively).

Water solubility was determined by the OECD Guideline 105 (Water solubility), adopted 27.05.95.

The test was performed on the sodium salt of the Acid Red 249:1 and the tested substance results to have a water solubility of 97.47 g/l.

Considering the high similarity between the structures and the composition of the substance Acid Red 249:1 is expected to be soluble as described by the experimental data on the sodium salt.