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Diss Factsheets

Physical & Chemical properties

Water solubility

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
GLP compliance:
no
Type of method:
flask method
Water solubility:
418.11 g/L
Temp.:
20 °C
pH:
6.84
Remarks on result:
other: Average solubility
Details on results:
PRELIMINARY SOLUBILITY RESULT
Reference samples and extract were first measured in the range 190 / 800 nm, so as to choose the right wavelength for quantitative measurements.
Since absorbance of the test solution kept the same proportions along the UV and visible spectra, preliminary test result was considered for the final results calculations. Wavelength chosen was 493.50 nm.

TEST RESULTS
Test 1 (24 hrs): 424.86 g/l
Test 2 (48 hrs): 421.69 g/l
Test 3 (96 hrs): 407.77 g/l

pH mother solution: 6.16
Conclusions:
very soluble (> 10000 mg/L)
Average solubility: 418.11 g/l at 20 °C and pH 6.84
Executive summary:

Method

Solubility was performed following the recommendations of the OECD method 105.

Result

Average solubility: 418.11 g/l at 20 °C and pH 6.84.

Description of key information

418.11 g/l at 20 °C and pH 6.84

Key value for chemical safety assessment

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

Additional information

Shake Flask method - OECD 105