Registration Dossier
Registration Dossier
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EC number: 244-787-0 | CAS number: 22113-87-7
Toxicity to aquatic algae and cyanobacteria
Administrative data
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- (Q)SAR
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Valid QSAR model and model predictions
- Justification for type of information:
- QSAR prediction: migrated from IUCLID 5.6
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: REACH Guidance R6 - QSARs and grouping of chemicals
- Principles of method if other than guideline:
- To assess the toxicity of methylammonium nitrate to aquatic plants, a category approach was carried out, using the QSAR Application Toolbox to build a consistent category. Then an information analysis was carried out on the experimental data from all members of the category.
- GLP compliance:
- no
- Remarks:
- not applicable
Test material
- Reference substance name:
- Methylammonium nitrate
- EC Number:
- 244-787-0
- EC Name:
- Methylammonium nitrate
- Cas Number:
- 22113-87-7
- Molecular formula:
- CH6N2O3
- IUPAC Name:
- methylammonium nitrate
- Details on test material:
- - Name of test material (as cited in study report): Methanamine, nitrate
- Smiles notation (if other than submission substance): CN
Constituent 1
Test organisms
- Test organisms (species):
- Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)
Results and discussion
Effect concentrations
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 14.7 mg/L
- Nominal / measured:
- estimated
- Conc. based on:
- not specified
- Basis for effect:
- not specified
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not applicable
- Conclusions:
- The assessed final value with the substances used in the read only information analysis was EC50=14.7 (1.62 a 134; 95.0%) mg/l.
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.
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