Registration Dossier
Registration Dossier
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EC number: 219-291-2 | CAS number: 2403-88-5
Hydrolysis
Administrative data
- Endpoint:
- hydrolysis
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP-guideline study.
Data source
Referenceopen allclose all
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 998
- Reference Type:
- secondary source
- Title:
- SIDS Initial assessment report, 2,2,6,6-Tetramethylpiperidin-4-ol, CAS number: 2403-88-5
- Author:
- OECD
- Year:
- 2 002
- Bibliographic source:
- UNEP publications
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 111 (Hydrolysis as a Function of pH)
- GLP compliance:
- yes
Test material
- Reference substance name:
- 2,2,6,6-tetramethylpiperidin-4-ol
- EC Number:
- 219-291-2
- EC Name:
- 2,2,6,6-tetramethylpiperidin-4-ol
- Cas Number:
- 2403-88-5
- Molecular formula:
- C9H19NO
- IUPAC Name:
- 2,2,6,6-tetramethylpiperidin-4-ol
- Details on test material:
- - Source: Wako Pure Chemical Industries, Ltd.
- Purity: 99.2 %
Constituent 1
- Radiolabelling:
- no
Results and discussion
- Preliminary study:
- No degradation at pH 4 pH 7 and pH 9 at 50 °C after 5 days (exposure time)
- Transformation products:
- no
Dissipation DT50 of parent compoundopen allclose all
- pH:
- 4
- Temp.:
- 50 °C
- DT50:
- > 1 yr
- Remarks on result:
- other: No hydrolysis was observed under test conditions after 5 days.
- pH:
- 7
- Temp.:
- 25 °C
- DT50:
- > 1 yr
- Remarks on result:
- other: No hydrolysis was observed under test conditions after 5 days.
- pH:
- 9
- Temp.:
- 50 °C
- DT50:
- > 1 yr
- Remarks on result:
- other: No hydrolysis was observed under test conditions after 5 days.
Any other information on results incl. tables
No degradation at pH 4 pH 7 and pH 9 at 50 °C after 5 days (exposure time). The half-life value was not calculated since no hydrolysis of test
substance was observed.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- This test substance is stable in aqueous water at pH 4, pH 7, and pH 9 under the condition studied.
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