Registration Dossier
Registration Dossier
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EC number: 208-058-0 | CAS number: 506-87-6
Toxicity to aquatic algae and cyanobacteria
Administrative data
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: data from a publication cited in a peer reviewed database
Data source
Referenceopen allclose all
- Reference Type:
- other: peer reviewed database
- Title:
- ECOTOX Database
- Author:
- US EPA
- Year:
- 2 010
- Bibliographic source:
- http://cfpub.epa.gov/ecotox/quick_query.htm search via CAS number 506-87-6 on 2010-10-08
- Reference Type:
- secondary source
- Title:
- Growth and Survival of Chlorella vulgaris in high Concentrations of Nitrogen
- Author:
- Przytocka-Jusiak, M.
- Year:
- 1 976
- Bibliographic source:
- Acta Microbiol.Pol. 25(3):287-289
Materials and methods
- Principles of method if other than guideline:
- no data
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Diammonium carbonate
- EC Number:
- 208-058-0
- EC Name:
- Diammonium carbonate
- Cas Number:
- 506-87-6
- Molecular formula:
- CH2O3.2H3N
- IUPAC Name:
- diammonium carbonate
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- Chlorella vulgaris
Study design
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 5 d
Results and discussion
Effect concentrations
- Duration:
- 5 d
- Dose descriptor:
- IC50
- Effect conc.:
- 33 000 µg/L
- Nominal / measured:
- not specified
- Basis for effect:
- growth rate
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- In the test condition diammonium carbonate showed an IC50 at a concentration of 33 mg/L based on growth rate measurements. However, effect of ammonia relased during decomposition in water may be the toxic agent. not the substance itself. therefore these data cannot be used to derivate a classification.
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