Registration Dossier
Registration Dossier
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EC number: 216-431-4 | CAS number: 1583-59-1
Hydrolysis
Administrative data
- Endpoint:
- hydrolysis
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.7 (Degradation: Abiotic Degradation: Hydrolysis as a Function of pH)
- GLP compliance:
- no
Test material
- Reference substance name:
- 2,2-difluoro-1,3-benzodioxole
- EC Number:
- 216-431-4
- EC Name:
- 2,2-difluoro-1,3-benzodioxole
- Cas Number:
- 1583-59-1
- Molecular formula:
- C7H4F2O2
- IUPAC Name:
- 2,2-difluoro-2H-1,3-benzodioxole
Constituent 1
Results and discussion
Any other information on results incl. tables
| Test | pH-value | Temperature [°C] | t1/2 [h] |
| Preliminary test/test 1 | 9 | 50 | 2.2 |
| Preliminary test/test 1 | 7 | 50 | 2.59 |
| Test 3 | 7 | 60 | 0.75 |
| Test 3 | 7 | 70 | 0.48 |
| Calculation acc. Arrhenius (first order reaction) | 7 | 25 | 26.6 |
| Preliminary test/test 1 | 4 | 50 | 3.89 |
| Test 3 | 4 | 60 | 0.82 |
| Test 3 | 4 | 70 | 0.39 |
| Calculation acc. Arrhenius (first order reaction) | 4 | 25 | 96.2 |
Applicant's summary and conclusion
- Conclusions:
- The test substance is degradable according to EG guideline C.7 92/69 at pH9, pH7 and pH4.
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