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EC number: 431-700-8 | CAS number: 259823-90-0
Hydrolysis
Administrative data
- Endpoint:
- hydrolysis
- Type of information:
- experimental study
- Adequacy of study:
- key study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 001
- Report date:
- 2001
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.7 (Degradation: Abiotic Degradation: Hydrolysis as a Function of pH)
- Deviations:
- no
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 111 (Hydrolysis as a Function of pH)
- Deviations:
- no
Test material
- Test material form:
- liquid
Constituent 1
impurity 1
- Radiolabelling:
- no
Results and discussion
Total recovery of test substance (in %)open allclose all
- % Recovery:
- ca. 94
- pH:
- 4
- Temp.:
- 50 °C
- Duration:
- ca. 119.5 h
- % Recovery:
- ca. 46
- pH:
- 7
- Temp.:
- 50 °C
- Duration:
- ca. 72 h
- % Recovery:
- ca. 34
- pH:
- 9
- Temp.:
- 50 °C
- Duration:
- ca. 3.5 h
- % Recovery:
- ca. 42
- pH:
- 7
- Temp.:
- 60 °C
- Duration:
- ca. 25 h
- % Recovery:
- ca. 23
- pH:
- 7
- Temp.:
- 70 °C
- Duration:
- ca. 23 h
- % Recovery:
- ca. 45
- pH:
- 9
- Temp.:
- 35 °C
- Duration:
- ca. 9 h
Dissipation DT50 of parent compoundopen allclose all
- Key result
- pH:
- 4
- Temp.:
- 25 °C
- DT50:
- > 1 yr
- Type:
- not specified
- Remarks on result:
- other:
- Key result
- pH:
- 7
- Temp.:
- 25 °C
- Hydrolysis rate constant:
- ca. 0.001 h-1
- DT50:
- ca. 994 h
- Type:
- (pseudo-)first order (= half-life)
- Remarks on result:
- other:
- Key result
- pH:
- 9
- Temp.:
- 25 °C
- Hydrolysis rate constant:
- ca. 0.038 h-1
- DT50:
- ca. 18.1 h
- Type:
- (pseudo-)first order (= half-life)
- Remarks on result:
- other:
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
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