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Physical & Chemical properties

Water solubility

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water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
June 13, 2014
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
OECD Guideline 105 (Water Solubility)
GLP compliance:
Type of method:
flask method
Water solubility:
ca. 21 500 mg/L
20 °C
ca. 3.22
Remarks on result:
other: pH of the saturated solution 2.29
Details on results:
Reference solutions were measured in the spectrophotometer in quantitative mode, thus generating a calibration curve. Calibration curve was smooth and linear at every concentration. Considering that preliminary test resulted in an absorbance keeping the same shape like the references, its value was considered for the 24 hours’ measurement.


Final test (24 hs)20680mg/l
Final test (48 hs)22220mg/l
Final test (96 hs)21600mg/l
Average solubility21500mg/l
The water solubility of the tested substance is 21500 mg/l at 20°C.
Executive summary:


The substance has been tested for water solubility according to the flask method as reported in the OECD 105 guideline.



The water solubility of the substance is 21500 mg/l. The substance is very soluble in water.

Description of key information

21500 mg/l

Key value for chemical safety assessment

Water solubility:
21 500 mg/L
at the temperature of:
20 °C

Additional information

OECD guideline 105.