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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 202-667-5 | CAS number: 98-42-0
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- other: Prediction model
- Title:
- Biodegradation in water by Environmental Science Center’s PBT profiler
- Author:
- Environmental Science Center
- Year:
- 2 010
- Bibliographic source:
- PBT profiler, Office of Chemical Safety and Pollution Prevention , U.S. Environmental Protection Agency; version 1.301
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Modelling database
- Principles of method if other than guideline:
- PBT Profiler estimation database.
- GLP compliance:
- no
Test material
- Reference substance name:
- 3-amino-4-methoxybenzenesulphonic acid
- EC Number:
- 202-667-5
- EC Name:
- 3-amino-4-methoxybenzenesulphonic acid
- Cas Number:
- 98-42-0
- Molecular formula:
- C7H9NO4S
- IUPAC Name:
- 3-amino-4-methoxybenzenesulphonic acid
- Details on test material:
- Name of the test material: 3-amino-4-methoxybenzenesulphonic acid
Molecular formula: C7H9NO4S
Molecular weight: 203.216
- Substance type: organic
- Physical state: Soild
Constituent 1
Study design
- Oxygen conditions:
- other: Estimation
- Inoculum or test system:
- not specified
- Duration of test (contact time):
- 38 d
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- test mat. analysis
Reference substance
- Reference substance:
- not specified
Results and discussion
% Degradation
- Parameter:
- % degradation (test mat. analysis)
- Value:
- 50
- Sampling time:
- 38 d
- Remarks on result:
- other: 38 d= 912 h
- Details on results:
- Half-life : 38 days
Applicant's summary and conclusion
- Interpretation of results:
- readily biodegradable
- Conclusions:
- The substance 3-amino-4-methoxybenzenesulphonic acid is estimated to be 50% biodegradation in water in 38 days (half-life) indicating that
3-amino-4-methoxybenzenesulphonic acid is likely to be readily biodegradable in water. - Executive summary:
The substance 3-amino-4-methoxybenzenesulphonic acid is estimated to show 50% biodegradation in water in 38 days (half-life) indicating that 3-amino-4-methoxybenzenesulphonic acid is likely to be readily biodegradable in water. Also the diffusion percentage of 3-amino-4-methoxy benzene sulphonic acid in water medium is 46%.
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.
