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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 202-669-6 | CAS number: 98-44-2
Toxicity to aquatic algae and cyanobacteria
Administrative data
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- 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:
- Toxicity to aquatic algae by ECOSAR Version 1.10
- Author:
- ECOSAR Version 1.10
- Year:
- 2 012
- Bibliographic source:
- ECOSAR v1.1 Class-specific Estimations, Environmental Protection Agency (EPA) office of Chemical Safety and Pollution Prevention
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Modeling database
- Principles of method if other than guideline:
- ECOSAR v1.1
- GLP compliance:
- no
Test material
- Reference substance name:
- 2-aminobenzene-1, 4-disulphonic acid
- IUPAC Name:
- 2-aminobenzene-1, 4-disulphonic acid
- Reference substance name:
- 2-aminobenzene-1,4-disulphonic acid
- EC Number:
- 202-669-6
- EC Name:
- 2-aminobenzene-1,4-disulphonic acid
- Cas Number:
- 98-44-2
- Molecular formula:
- C6H7NO6S2
- IUPAC Name:
- 2-aminobenzene-1,4-disulphonic acid
- Details on test material:
- - Name of test material: 2-aminobenzene-1, 4-disulphonic acid
- Molecular formula: C6H7NO6S2
- Molecular weight: 253.25
- Substance type: Organic
Constituent 1
Constituent 2
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- other: green algae
Study design
- Test type:
- not specified
- Water media type:
- not specified
- Total exposure duration:
- 96 h
Results and discussion
Effect concentrations
- Duration:
- 96 h
- Dose descriptor:
- EC50
- Effect conc.:
- 356.637 mg/L
- Nominal / measured:
- estimated
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
Applicant's summary and conclusion
- Conclusions:
- Toxicity (96 h) value of 2-aminobenzene-1, 4-disulphonic acid to green algae is estimated to be EC50: 356.637 mg/L.
- Executive summary:
Toxicity (96 h) value of 2-aminobenzene-1, 4-disulphonic acid to green algae is estimated to be EC50: 356.637 mg/L. This value indicates that 2-aminobenzene-1, 4-disulphonic acid is not toxic to green algae.
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.
