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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
Study period:
From November 29, 2021 to February 08, 2022
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
conducted under GLP conditions
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Version / remarks:
1995
Deviations:
yes
Remarks:
See section 'Any other information on materials and methods incl. tables'
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Deviations:
yes
Remarks:
See section 'Any other information on materials and methods incl. tables'
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7840 (Water Solubility)
Deviations:
yes
Remarks:
See section 'Any other information on materials and methods incl. tables'
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method
Key result
Water solubility:
1.01 mg/L
Conc. based on:
test mat.
Loading of aqueous phase:
34.9 mg/L
Incubation duration:
168 h
Temp.:
20 °C
pH:
6.45
Remarks on result:
other: Average of 96 and 168 hours sample solubility in pure water
Details on results:
There is no significant change (6.2%) of the measured concentrations with time for the last two samplings (96h and 168h), and therefore according to the GEeD Guideline No. 105 as this difference is lower than 15%, it can be concluded that the system reached the equilibrium.
Thus, the results from the last two samples obtained were averaged to give the water solubility of the test item.
After rounding off:
Solubility of the test item in water: 1.01 mg/L at 20°C
Conclusions:
Solubility of the test item in water: 1.01 mg/L at 20°C
Executive summary:

The solubility of the test item in ultrapure water was determined according to the GECD Guideline No. 105 (flask method), based on analysis of the two isomers of the test item.
The result is:
Solubility of the test item in water: 1.01 mg/l at 20°C
This result corresponds to the saturation mass concentration of the test item in ultrapure water at 20°C.

Description of key information

The solubility of GR-87-6331 in ultrapure water was determined according to the GECD Guideline No. 105 (flask method), based on analysis of the two isomers of GR-87-6331.
The result is:
Solubility of GR-87-6331 in water: 1.01 mg/l at 20°C
This result corresponds to the saturation mass concentration of GR-87-6331 in ultrapure water at 20°C.

Key value for chemical safety assessment

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

Additional information