Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: - | CAS number: -
Hydrolysis
Administrative data
- Endpoint:
- hydrolysis
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2007
- Reliability:
- 1 (reliable without restriction)
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 007
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 111 (Hydrolysis as a Function of pH)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- Strontium 4-chloro-2-[2-hydroxy-6-sulfonatonaphthalen-1-yl)diazenyl]benzoate
- Cas Number:
- 474814-88-5
- Molecular formula:
- C17H9ClN2O6SSr
- IUPAC Name:
- Strontium 4-chloro-2-[2-hydroxy-6-sulfonatonaphthalen-1-yl)diazenyl]benzoate
- Test material form:
- solid: nanoform, no surface treatment
Constituent 1
Study design
- Analytical monitoring:
- yes
- Buffers:
- pH 4, 7 and 9
Duration of testopen allclose all
- Duration:
- 144 h
- pH:
- 3.95
- Temp.:
- 50 °C
- Initial conc. measured:
- ca. 10 mg/L
- Duration:
- 144 h
- pH:
- 6.92
- Temp.:
- 50 °C
- Initial conc. measured:
- ca. 10 mg/L
- Duration:
- 144 h
- pH:
- 8.92
- Temp.:
- 50 °C
- Initial conc. measured:
- ca. 10 mg/L
- Number of replicates:
- 2
- Negative controls:
- yes
- Remarks:
- Buffer solutions (ph value 4, 7, and 9)
Results and discussion
- Preliminary study:
- the test item was found to be stable in the preliminary test at pH 4, 7 and 9 at 50°C.
- Transformation products:
- no
- Details on hydrolysis and appearance of transformation product(s):
- according to the corresponding guideline the main test is not necessary. A half life time of > 1 year can be concluded
Dissipation DT50 of parent compound
- Remarks on result:
- hydrolytically stable based on preliminary test
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- Based on the preliminary test it can be calculated that substance has a half life time > 1 year at pH 4, 7 and 9.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
