Registration Dossier
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EC number: 682-238-0 | CAS number: 1190931-27-1
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:
- 2009-11-02 to 2010-02-04
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Guideline-conform study under GLP without deviations.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- flask method
- Specific details on test material used for the study:
- Identification as reported on study report: cC6O4
Batch Number: 156/17
Purity > 98%
Expiry date: December 31, 2020
Storage conditions: At room temperature at about 20°C - Key result
- Water solubility:
- >= 667 g/L
- Conc. based on:
- test mat.
- Temp.:
- 21.7 °C
- pH:
- 4.6
- Details on results:
- The saturation concentration of cC6O4 at 21.7 °C was estimated by a simplified flask method.
After mixing a total of about 5.5 g of test item in 5 mL of water, a slightly yellow solution with some foam on the surface was obtained. Based on visual judgment the test item was found to be completely dissolved. It was not possible to prepare a saturated solution before reaching a 1:1 ratio, therefore, the water solubility of cC6O4 might be higher as determined in the present study. The concentration in the above mentioned solution was determined by LC-MS/MS with respect to a calibration curve. - Conclusions:
- The water solubility of cC6O4 ammonium salt was determined using a simplified flask method and found to be > 667.0 g/L at 21.7 °C.
The substance is very soluble (> 10000 mg/L) - Executive summary:
The determination of the water solubility of cC6O4 ammonium salt was performed according to the EEC Directive 92/69, A.6 “Water Solubility” (1992) and the OECD guideline No. 105, “Water Solubility” (adopted July 27, 1995), using a simplified flask method.
The water solubility of cC6O4 was determined using a simplified flask method and was found to be > 667.0 g/L at 21.7 °C. Therefore test item cC6O4 ammonium salt is considered very soluble (> 10000 mg/l).
Reference
Description of key information
The determination of the water solubility of cC6O4 ammonium salt was performed according to the EEC Directive 92/69, A.6 “Water Solubility” (1992) and the OECD guideline No. 105, “Water Solubility” (adopted July 27, 1995), using a simplified flask method.
Key value for chemical safety assessment
- Water solubility:
- 667 g/L
- at the temperature of:
- 21.7 °C
Additional information
The water solubility of cC6O4 was determined using a simplified flask method and was found to be > 667.0 g/L at 21.7 °C. Therefore test item cC6O4 ammonium salt is considered very soluble (> 10000 mg/l).
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