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EC number: 939-575-6 | CAS number: -
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 26 Jul 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- GLP compliance:
- no
- Type of method:
- flask method
- Water solubility:
- > 250 g/L
- Temp.:
- 20 °C
- pH:
- 5.4
- Conclusions:
- Interpretation of results (migrated information): miscible
Reference
Preliminary test:
Aliquot |
Weighed sample, g |
A |
2.46 |
B |
2.03 |
Sum |
4.49 |
While being added to the water, solutions with increasing viscosity were being formed, resulting in a gel after the addition of 4.49 g of the test item.
With 4.49 g of test item being mixed into 10 g of water, a gel with a total weight of 14.5 g has been formed. This is equivalent to 31% (w/w) of test item in solution/gel.
As the water density will significantly increase with addition of the test item, it can be concluded that water solubility is about 310 g/L, resulting in a gel. Due to the fact that the formation of the gel is a continuous process and no discrete point can be identified at which dissolution in water switches to gelling, the water solubility can be approximated to > 310 g/L.
Description of key information
> 250 g/L at 20 °C, pH = 5.4
Key value for chemical safety assessment
Additional information
The water solubility of the substance was determined according to EU Method A.6 and OECD 105 (flask method). Gel formation at concentrations > 310 g/L was observed.
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