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EC number: 204-839-5 | CAS number: 127-39-9
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:
- 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Guideline compliant study with good documentation
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- GLP compliance:
- no
- Type of method:
- flask method
- Key result
- Water solubility:
- > 500 g/L
- Temp.:
- 20 °C
- pH:
- 6.5
- Remarks on result:
- other: With 12.9001 g of test item being mixed into 10 mL of water, a gel with a total weight of approximately 22.9 g has been formed. This is equivalent to 56 % (w/w) of test item in solution/gel.
- Conclusions:
- Interpretation of results (migrated information): very soluble (> 10000 mg/L)
- Executive summary:
In the non GLP Klimisch 1 key study from Frischmann (2012), the water solubility of Butanedioic acid, sulfo-, 1,4-bis(2-methylpropyl) ester, sodium salt was determined according to OECD 105 and EU method A.6.
The water solubility of is greater than 500 g/L. The test item is miscible with water in any proportion. With increasing amount of test item a gel is formed.
The results of this study are considered relevant and reliable for the risk assessment.
Reference
With 12.9001 g of test item being mixed into 10 mL of water, a gel with a total weight of approximately 22.9 g has been formed. This is equivalent to 56 % (w/w) of test item in solution/gel.
As the density of the water will significantly increase with addition of the test item, it can be concluded that water solubility is about 560 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 > 500 g/L.
Thus the following results can be reported: the water solubility of Butanedioic acid, sulfo-, 1,4-bis(2-methylpropyl) ester, sodium salt is > 500 g/L
The test item is miscible with water in any proportion. With increasing amount of test item a gel is formed.
The water solubility was determined at 20 °C. The pH value was 6.5.
Description of key information
Key value for chemical safety assessment
- Water solubility:
- 500 g/L
- at the temperature of:
- 20 °C
Additional information
In the non GLP Klimisch 1 key study from Frischmann (2012), the water solubility of Butanedioic acid, sulfo-, 1,4-bis(2-methylpropyl) ester, sodium salt was determined according to OECD 105 and EU method A.6.
The water solubility of is greater than 500 g/L. The test item is miscible with water in any proportion. With increasing amount of test item a gel is formed.
The results of this study are considered relevant and reliable for the risk assessment.
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